Home

Anritsu Series MS278XB Network Router User Manual

image

Contents

1. 4 47 Wideband Single 4 47 Icon EISE OE nos errore rrr Eurer 9 17 IF Bandwidth 43 sedated ti d nd 4 47 A A oe te ta REM IE 4 32 INPUT 3 41 VEO UCDUD 5 tods dat ai ecd 3 41 IF Power Wide BW Trigger 4 30 Impedance Input Selection 4 47 Importing Trace Data 6 7 6 8 Inactive Traces Off 4 24 Input DUE a daa i n 4 47 A A ee es 4 47 Sist O star da daa dera 4 47 Input Attenuation Setting 5 6 Iuput for CODE ista ceded age a 4 43 Input Source Modulation 4 47 Instrument IS LFOLECIONN DES td ee dl sepu a 2 5 2 6 DLATLUD vas bz WP 2 5 Inverse Video eee 3 13 4 26 IQ Data to MATLAB eene 4 58 MS278XB OM K Keyboard On screen ce eee 3 25 Keys AMPLIO sai ud arate athlete atada 3 6 Back Space 2a oce qo Sees Ba dete eor tem i das 3 8 Bandwidth ui ADA 3 6 E A ta dere Mia hae 3 8 IDI SWAY ties dd aia 3 7 MMC Cl 2 8 a a de Eee E dra FREE 3 8 MISC 555 34 E eee a bee ee Ee 3 8 EGG sh estes ce Bes ted oh eh ah eS ise ce Beha su Ee E eri 3 7 BEredqueney x33 x np Ax Wr Ai 3 6 Front Panel urinaria exer regna 3 6 ls T ICT 3 7 HOC tect tists he tes oe ae eee 3 36 Increment Up Down 3 8 Major Function o oo oooooo o 3 6 Marker 205 soia cuan ahead eae ads 3 6 Measurement eee 3 6 Minor Function nu
2. 0 000 cee ees 4 38 Multicarrier Channel Power Setup Dialog 0 0 cc eee eee 4 40 CODE Setup Dialog ias ed ad eto p E dee b oe ee bE ea e 4 43 Spectrum Mask Setup Dialog o oooooooroonaoa rs 4 44 VSA Modulation Parameters Setup Dialog llle 4 46 WCDMA Graph Type Dialog 1 2 0 ccc IRI 4 48 WCDMA Set DIO surco aaa abn een Du ee Sc HU tow be o pare ZO Ea IR 4 51 TPC Limit Edge Definition Dialog llli 4 54 Channel Table Editor Dialog lllllllell eee ens 4 55 Customize Tool Bar Dialog o a cete dene edes e o 4 56 OBONI s uec ate aie emot eet eta der iMi Dus daten eu n Edd Est 4 56 MATLAB SeluD BDIalOQss d d auper opto eae Dea Cou unten Mea eee p ag pea Do dp 4 57 Chapter 5 Measurements Ot JIMWMOOUCION ues Socio iibi ae a Rods ad rds orit aeu ii i afa Se i ous Sa 5 1 5 2 Basic Measurement Setups oooooor eee 5 1 setting the Center Frequency i s ren E Re xa b Ad dac dads 5 2 Setting the Frequency Span 0 ee rns 5 3 Setting the Start and Stop Frequencies 0 0 0 cee ees 5 4 Setting the Reference Level 0 0 0 err 5 5 Setting the Input Attenuation 00 ren 5 6 Setting tlie Scale DIV yk ane xm baci Gd Bh MAAS Ste aS oe HERG ORE te 5 7 Setting the Resolution Bandwidth cee eens 5 8 Selling the Video Bandwidth sunu sou cd Roe o ye de Eo uA he ob e DR e sa 5 9 Setting the Sweep Time 1 llle sans 5
3. Figure 4 24 Customize Tool Bar Dialog Refer to Customizing the Tool Bar on page 2 11 for more information Options Dialog The Options dialog allows you to view the options list Here you can determine which options are installed and install new options Options GPIB Interface Option 3 30 MHz Demodulation Bandwidth Option 22 WCDMA Modulation Analysis Option 30 QAMIPSK Modulation Analysis Option 38 WIMAX Modulation Analysis Option 41 Phase Noise Measurement Option 52 Connectivity to MATLAB Option 40 Figure 4 25 Options Dialog Refer to Installing Options on page 2 10 for more information 4 56 MS278XB OM Front Panel Menus MATLAB Setup Dialog Parameter Entry and Measurement Setup Dialog Archive The MATLAB Setup dialog allows you to launch The MathWorks MATLAB application In this dialog you can toggle the MATLAB connection On and Off and select which information to send Active Traces and I O Vectors For more information about using MATLAB refer to Signature MathWorks Connectivity Option 40 only on page 6 1 Basic Tab MATLAB Setup Basic Advanced Connect To MATLAB Select MATLAB script to Run Browse Type MATLAB script to Run Script Result Script Result wil be shown here MATLAB HandShake Y Of On Signature _Control StartSweep Starts Sweep from MATLAB Close Figure 4 26 MATLAB Setup Dialog MS278XB OM Connect to MAT
4. 0 00 ccc ee eee eee ene 5 81 RESTSCID rr 5 81 Test PrOGegUfG s ire us aia 5 81 Average Noise Level acicutoive 43 ba dde de do eode e eee do dois Ze diua saos dod ione viet 5 84 crono tt ett de att a Di dto iaa e 5 84 WES POCO US sm uires do ic A a CR b ed dd bar d d 5 84 Frequency Response us usen a A f Gs AA 5 87 TESESCUD sip PEU 5 87 Test PrOCCOUNG datos ss told 5 87 Reference Level Switching Uncertainty 22 5 89 je T 5 89 Test Process a ds aee ri lie til tnde 5 89 Resolution Bandwidth RBW Switching UncertaiMty o o oooooooooooo 5 91 Tetela rd e Fa ERA a ad 5 91 Tes UR TOGeGUle so sabed ais oia 5 91 Residual Spurious RESPONSE ee ia oc eg cse ld edt oa daa a CR n A 5 93 Test SOUS tut auem unter endi eir Bose aotem e RE ne ice E ais 5 93 Test MIOCECUKC esa ticos ro bete pred bao Cs 5 93 Input related Spurious Response 00 es 5 95 Him 5 95 TeSt Procedu Gs oido dama dera 5 95 vi MS278XB OM Table of Contents Continued Chapter 6 Software Peripherals p o sr edi dE etr Es QE OE do Gite ond Ge Gant anak sap o Beca our dax Dog Xd Rod do EN dus 6 1 6 2 Signature MathWorks Connectivity Option 40 only llli 6 1 Signature MathWorks Connectivity Description 0 0000 ee o 6 1 Integrated MathWorks Computational Components o oocccococooc eee 6 1 Integrated MathWorks Computational Components Flow of Events 6 1 PIECONGINONS 6 5 0 5 59 4st p
5. 4 15 Source Output Port o ooooooo 3 9 o Y A A 4 30 SPA Graticule Overview o 3 26 Span Frequency eee eee eee 4 5 Spark DW stas aw vata du qo Rh 4 12 Specifications DVD CD RW ove rre Ra ap 3 10 Spectrum Mask APPIYIN fixe dass dto A Sg S 4 44 a A trae ba uda dtu bf A e derit 4 44 A O o ae eee 4 45 Deleg s Jue uut ot ares ra pA Oe aa 4 44 A oh or doe ded S REO des 4 44 SOU used d ee dedu d 4 44 Spectrum Masks eee 4 20 Spectrum Measurement Type 4 20 Spectrum Measurements 4 20 4 21 4 22 Standard sra da dial dera eee rad 4 20 4 21 Start and Stop Frequencies Setting 5 4 Start Frequency avisos avv e orna va isis 4 5 Index 6 Start Time in ACP Setup sss 4 39 Start Time in Channel Power Setup 4 37 Start Time in Multicarrier Channel Power Setup 4 42 STARTUP Instrument 2 5 Startup Instrume 3 s ao ica 2 5 Status Messages lees 3 95 Step Size and Offset Menu 4 6 SS s suu arae e or Oed ba oe AC 4 5 Stop Time MM ACP Setup sica 4 39 Stop Time in Channel Power Setup 4 37 Stop Time in Multicarrier Channel Power Setup 4 42 Summary Display asi aes 3 31 Summary Graph Type o o o o o 4 21 Sweep d m 3 7 A D i Ue ee eee 4 28 Mode ro rtis Me ome andes p varada 4 28 O acc uoe tio eee Das 4 28 DV esL deir coat poko bota
6. 4 39 Noise Compensation in Multicarrier Channel Power SEU diaria dond da 4 42 Noise Source Power 3 42 4 32 Normal Detector ooooooooo o 4 24 Normal Sweep Mode o oo oo oooo momo 4 28 Numeric Keys 2129459539 9 9 9x wd LIO obe Var 3 8 ING GUNS PORE EDEN 4 46 O 5 A 4 20 Occupied Bandwidth Setup 4 36 OR plank rd di le bt scs 4 24 Omset Level 2 1 west pD DE n ieu 4 9 Offset Phase Noise Optimization 4 33 Optimize Phase Noise o o oooo oo o 4 33 Option dada ike edie ees 4 58 6 1 Options ata Oe a 1 5 Overview Front Panel 3 1 P Parallel Connector Pinout 3 44 Parallel Interface Connector 3 40 Parameter Entry Menus 3 24 Phase Noise Bandwidth Offset 4 33 Measurements 4 20 4 21 4 22 OPINION orn dorm oes ao dart 4 33 Phase Noise Measurement Type 4 22 PIt POW adusque a sU beum ONA 4 46 MS278XB OM Port DIOBOudmn am uA o isa 3 9 IUE INDUC carbo et Se UR duE UP SUR d Ent es 3 9 Source Output lee 3 9 Tracking Generator eere 3 9 Power Inputs usais dE E 3 99 LONE Dias ueri A au dca d a na Be 4 36 Power Time Graph Type 4 21 Preamble for Marker s 4 16 Printing Measurement Data 4 35 Probe Power Port 22 m RR A 3 9 PS 2 K
7. Sweep Type g Swept 4 28 Sweep Time To set the sweep time press in the Sweep Time parameter field and enter the desired sweep time value When a new value is entered the terminator fly out will appear with the available units Press on the desired units to terminate the entry To change between manual or auto sweep time press on the Manual Auto toggle button Sweep Mode To toggle the sweep mode between continuous and single sweep press the Continuous Single toggle button When in the Single Sweep mode press the Sweep button to trigger a new sweep Sweep Type To change the sweep type press the Sweep Type button and select the desired sweep mode from the following fly out menu selections Swept Selects a normal sweep FFT Selects a Fast Fourier Transform sweep maximum span limited to 1 MHz FFT WideBand Selects a Wideband Fast Fourier Transform sweep with spans up to 30 MHz requires Option 22 MS278XB OM Front Panel Menus Menu Archive Trigger Main Menu The Trigger main menu can be quickly accessed by using the Ctrl Shift F keyboard combination The Trigger main menu lets you Select the Trigger Source Lu Trigger Set the Trigger Level Trigger Y Set the Trigger Edge Set the Trigger Delay Figure 4 10 Trigger Main Menu MS278XB OM 4 29 Menu Archive Trigger Menu Front Panel Menus The Trigger menu lets you configure the following Table 4 18 Trigger Menu Trigger Trigger Sou
8. Uncoded for Component Measurements Vector Diagram Power vs Time EVM vs Time Eye I Constellation Magnitude Error vs Diagram Time EH Phase Error vs Time Eye 18 Q Summary All Errors vs Time For QPSK measurements the following graph types can be selected Vector Diagram Constellation Diagram Power vs Time EVM vs Time Magnitude Error vs Time Phase Error vs Time All Errors vs Time Eye 1 Eye Q Eye I amp Q Summary Display Base Station User Equipment Base Station User Equipment Uplink or Downlink Y Downlink Uplink Composite Tab For Composite measurements the following graph types Code Domain Single Channel can be selected Composite Measurements Coded for Systems Vector Diagram Power vs Time EVM vs Time Eye 1 Power vs Time cbe dd di Eye Q EVM vs Time Magnitude Error vs Time Phase Error vs Time All Errors vs Time Eye l Eye Q Eye I 8 Q Summary Display Vector Diagram Constellation Diagram Phase Error vs Time Eye 18 Q All Errors vs Time UOS Base Station User Equipment Uplink or Downlink Y Downlink Uplink Figure 4 20 WCDMA Graph Type Dialog 448 MS278XB OM Front Panel Menus Code Domain Power Tab WCDMA Graph Type Code Domain Code Domain Power Single Channel Code Domain Measurements Power or Error Vs Code Code Domain Code Domain Error Power Code Domain Code Domain Error Power with Zoom with Zoom
9. eee 4 33 Index 1 D Connector Pinout DNE cascade M DC I EMEN 3 44 Ither et uud pia deb EP SMS 3 46 CDD Ae A us 3 43 Parallel Printer duse 3 44 ESO ateos ais t 3 45 A end ax aum due dadas bue 3 46 AGA MMOL aos Chee eee ees 3 45 Connectors Probe Power Port o 3 9 IE PDUs os esp ths Gl a ah Rad o as S es 3 9 Source QUEUE RW e 3 9 Tracking Generator Ls 3 9 Constellation Graph Type 4 21 CONVENTIONS cx dem sex b RO es pep US 1 1 Creating Spectrum Mask 4 44 aa ll dL 4 35 Cursor Ke Sao ta 3 8 Customize Toolbar Dialog 4 56 D Data DASS mateo nata Dada aaa 3 6 3 28 EXPONE sandia 4 35 Data Entering ou dk ace d e dea 3 19 Defining Spectrum Mask 4 45 Delay Delay uut ubt be seis dia 4 30 Deleting Spectrum Mask 4 44 Desktop SHOWINGS serrat roda 3 13 Desktop View enam dn A SCR 4 26 Detector Sues s aes A 4 24 Dialogs Customize Toolbar 4 56 DS EU conc vasca os ae oe e EE 4 3 MATA ae o ai PEE 4 57 Measurement Setup o oooo o o o 3 24 Diath DO Ip 2212428 E PEE I d a OI 4 47 Differential Data Encoding 4 47 Display o A oos Ec Fab 6 dpt ceu ach o 3 6 Oy Drac DE ie 3 7 AA E A 4 25 Display Line tes a Op Cete 4 18 Display Lines Menu 4 18 Display Options Menu oooooo o 4 26 Display DOTA aaeeea haa oe do 3 28 Drive DV DIC
10. Enter and Backspace Preset Function Key This key sets all of the user settable parameters to their factory default values Increment Keys The increment keys are used to increment a selected value up or down Esc Key The Esc key is used to cancel an initiated function 3 3 Front Panel Overview Instrument Overview Table 3 1 MS278XB Front Panel Legend 9 Rotary Knob The rotary knob is used to increment a selected value up or down 10 Minor Function Keys The minor function keys are used to activate second race J level menus e O e E 5 11 Major Function Keys The major function keys are used to activate basic functional parameter setups and second level menus found on the GUI 12 Standby Operate Key This key toggles the instrument between standby and operate mode 13 DVD ROM CD RW Drive Tray This tray slides open and holds your CD media 14 DVD ROM CD RW Drive Status LED This LED illuminates green when data is being read from the CD media and illuminates yellow when data is being written to the CD media 15 DVD ROM CD RW Drive Tray Eject Button This button is pressed to open the CD media drive tray 3 4 MS278XB OM Instrument Overview Front Panel Overview Table 3 1 MS278XB Front Panel Legend 16 20 21 22 MS278XB OM Description DVD ROM CD RW Drive Tray Manual Release The manual release is used when the drive tray fails to open and needs to be operated manually Data Disp
11. RBW 50 kHz VBW 500 Hz e Sweep Time 100 ms f Attenuation 10 dB g Reference Level 0 dBm 13 Set the frequency on the MG369XB to 50 MHz then set the output power level so that the sensor A reading matches the corresponding value as recorded in column 2 of Table 5 10 14 Set the Marker to Peak Record the measured Marker value in Table 5 10 15 Repeat steps 11 and 12 Record the measured results in Table 5 10 Verify that the measured results are within specifications Q o c DD Table 5 10 Frequency Response Test Frequency 10 dBm Output at Adapter MS2781B Marker Reading 10 dBm 5 88 MS278XB OM Measurements Operation Verification Reference Level Switching Uncertainty The following test can be used to verify that the MS2781B 1s within its Reference Level Switching Uncertainty specifications Test Setup Connect the equipment as shown in the figure below 10 MHz Reference Output 10 MHz Reference Input a y c c e e e e JANKF50 MS278X Signal Analyzer i Nim to Kif MG369XB Signal Generator Adapter Coaxial Cable Figure 5 56 Equipment Setup for Reference Level Switching Uncertainty Test Test Procedure 1 set up instruments as shown in Figure 5 56 2 Turn on both the MS2781B Signal Analyzer and the MG369XB Signal Generator and allow them to warm up for one hour 3 Press the Preset key on the MS2781B to reset the instrument to factory default state 4 Set the output
12. 3 34 MS278XB OM Instrument Overview Graphical User Interface Overview Instrument Messages and Status Bar The Status Bar Area 1s used for instrument wide messages to show Status Warnings Errors etc Typically any warning messages displayed in this area will be shown until you perform some action on the interface Error indicators are persistent until you have viewed and cleared the error log Warming and Error Messages ET REF ERR CAL Figure 3 33 Instrument Status Bar General Status Messages The status bar indicates the status of items such as calibration in progress FFT is in acquisition or computation startup self test etc General status messages are displayed in the left field of the status bar for example EXT REF Warning Messages Warning messages are displayed in the center field of the status bar These messages indicate that there 1s an internal error such as ERR Calibration Messages If the instrument detects that a calibration needs to be performed an UNCAL indicator appears in the status bar If you click on the message you are given the option to perform the calibration now or to defer the action until a later time If the calibration 1s performed the message 1s cleared Note UNCAL messages may be automatically cleared if the software determines that the instrument becomes within tolerance MS278XB OM 3 35 Graphical User Interface Overview Instrument Overview External Keyboard Ho
13. Hz Toggles the result display between dBm or dBm Hz The measurement type must be set to Abs before Hz can be toggled on Type Toggles between an absolute or relative measurement Noise Compensation When noise compensation is toggled on a noise floor measurement is subtracted from the channel power FFT Toggles between FFT or Swept modes Start Time Sets the start of the measurement relative to a triggered event currently not available Stop Time Sets the stop time of the measurement relative to a triggered event currently not available 4 39 Parameter Entry and Measurement Setup Dialog Archive Front Panel Menus Multicarrier Channel Power Setup Dialog Multicarrier Channel Power 1s similar to the ACP measurement and can be set up as follows Transmit Channels Tab Number of Channels Sets the number of Multicarrier Channel Power Setup Adj Alt Advanced channels Channels Reference Range Integers from 1 to 12 channels Number of 12 Do not enter negative numbers Channels Default 12 channels dt Channel Width Channel Spacing Channel Width Sets the channel width for each of the channels Range 1 Hz to 8 GHz Default 5 MHz Channel Spacing Sets the channel spacing for each of the channels Range 1 Hz Channel Spacing 8 GHz Default 10 MHz Scroll Up Scroll Down Scroll Buttons Scrolls up or down the channel list Figure 4 16 Multicarrier Channel Power Setup Dialog 440
14. O 0000200000000200 000 E O 07005 00005005000040020050070 Ok o 6 i y RATE RANN I OUTPUT 123 MH23 IF NRLIT h PUT way z Lu oe ul ve uy ra a ul E INPI T 1 23 MHz t d2 9 50 dd Y y 9 Go OOS MS278XB Rear Panel Overlay Drawing Figure 3 34 MS278XB OM 3 38 Instrument Overview Rear Panel and Connector Diagrams Table 3 9 MS278XB Rear Panel Index Legend Air Exhaust Grill AC Power Input Log Video Out MS278XB OM Fuse Block BNC Output The rear panel exhaust grill provides for cooling of the N A instruments internal components Ensure that the exhaust grill is not blocked The ac power input accepts an ac power supply in the range of N A 85 to 264 Vac 47 to 63 Hz and 400 VA The receptacle accepts a 3 pronged power cord which must be properly grounded to avoid the risk of an electric shock The MS278XB has two SLOW BLO fuses with a rating of N A 250 V 6 3 A Output is currently not used BNC Female Outputs Y data value BNC 2 5V nominal output into 50Q with full scale signal level displayed Female 3 39 Rear Panel and Connector Diagrams Instrument Overview Table 3 9 MS278XB Rear Panel Index Legend GPIB Interface IEEE 488 standard 24 pin connector that provides for remotely IEEE 488 2 controlling the MS278XB from an external computer controller via the IEEE 488 bus GPIB Table 3 10 describes the signal lines and shows t
15. The Sweep icon opens the Sweep Main Menu on page 4 27 The Zero Span icon sets the span to zero span The Last Span icon recalls the previous span setting The Trigger icon opens the Trigger Main Menu on page 4 29 Use the File icon to open and save instrument setups and configurations See File Main Menu on page 4 35 Use the Print icon to send the graticule display setup and configuration files or measurement data to the printer The Preset icon presets the instrument The System icon opens the System Main Menu on page 4 31 The Help icon accesses the Signature Help system Press this icon to enable context sensitive help and to display help topics in the graph area Press the Help icon again to toggle the display back to the measurement data The MATLAB icon accesses the MATLAB Setup Dialog on page 4 57 MS278XB OM Instrument Overview Graphical User Interface Overview Sub menu Trees After pressing one of the Main Menu icons the main menu tree is updated with the related sub menus Each sub menu and its related functions are documented in Chapter 4 A comprehensive list of menus 1s shown in Figure 3 14 below Frequency Menu Amplitude Menu Bandwidth Menu Display Menu H Display Display Options 5 IU Frequency Tat Amplitude vay Bandwidth Bandwidth Y Y Axis Options Y Auto Coupling Y Measure Menu Trace Menu Trigger Menu System Menu JV Trace YN Trigger f System Trace Config y Y Rea
16. The instrument setup is modified when the Sweep mode is set to Single and a new sweep has not yet been triggered The instrument setup is modified in the middle of a measurement The measurement is re started with the new setup and this indicator is shown until the entire trace is re written Y axis Scale The Y axis scale is labeled every other major grid line Sweep Status Displays the sweep status of Triggered and Single sweep modes Trace Information Trace information is displayed in the following format the current active trace has the text underlined Trc n Trace Mode Detector Mode race Math Where n Trace Number 1 to 5 Trace Mode Trace Mode Clear Write Max Hold Min Hold Average View or Off Detector Detector Type Auto Normal Maximum Minimum Sample Average or RMS Trace Math Trace Math indicator available when Trace Mode Average is selected Sweep Mode This field is used to display the sweep modes of Swept FFT Fast Fourier Transform or FFT WB Wideband Start Frequency Indicates the start frequency of the sweep Frequency Division This field indicates the horizontal scaling per division Center Frequency Indicates the center frequency of the sweep If a frequency offset is set OFFSET is also displayed Span Frequency Indicates the total span of the frequency sweep Stop Frequency Indicates the stop frequency of the sweep Trace Display Up to five traces can be displ
17. The next class of measurements are of the Composite signal This measures the entire coded WCDMA signal and provides metrics for the entire signal in both uplink and downlink modes A standard measurement of the transmitter 1s the Composite EVM shown in the summary table This is the EVM of a signal that has all of the active codes combined together for the entire transmitter 3GPP has Composite EVM conformance specifications similar to QPSK but they look very different due to the different signals Each code is demodulated then combined to get a composite waveform The composite measurement also supports HSDPA signals along with several additional measurements such as e Scramble Code Peak Code Domain Error Power in the Synchronizing Channel SCH WCDMA Graph Type Code Domain Single Channel Composite Measurements Coded for Systems Vector Diagram Power vs Time EVM vs Time Constellation Magnitude Error vs Diagram Time Phase Error vs Time Summary Y All Errors vs Time Off Base Station User Equipment Downlink Uplink Figure 5 31 Composite Graph Type Selection Dialog 5 54 Eye D Eye Q Eye amp Q MS278XB OM Measurements Modulation Measurements Below is a composite constellation along with the summary table The composite constellation includes the effects of all active codes as well as noise If there was only one active code the constellation would be very simple 1t would lo
18. 1 4 DIO 1 through DIO 4 data is logical 1 End or Identify A low true state indicates that the last byte of a multi byte message has been placed on the line Data Valid A low true state indicates that the talker has 1 sensed that NRFD 6 DAV is LOW 2 placed a byte of data on the bus and 3 waited an appropriate length of time for the data to settle 9 EOI Not Ready For Data A high true state indicates that valid data has not yet NRFD been accepted by a listener Not Data Accepted A low true state indicates that the current data byte has NDAC been accepted for internal processing by a listener 00 Interface Clear A low true state places all bus instruments in a known state dn such as unaddressed to talk unaddressed to listen and service request idle Service Request A low true state indicates that a bus instrument needs 10 SHQ l service from the controller Attention A low true state enables the controller to respond to both its own 11 ATN listen talk address and to appropriate interface messages such as device clear and serial poll 12 Shield Ground Point Data Input Output Bits are high with the data is logical 0 and LOW when the 13 16 DIO 5 through DIO 8 data is logical 1 Remote Enable A low true state enables bus instruments to be operated 17 HEN remotely when addressed 18 to m Logic ground MS278XB OM 3 43 Rear Panel and Connector Diagrams Instrument Overview Table 3 11
19. Parameter Entry and Measurement Setup Dialog Archive Front Panel Menus 4 4 Parameter Entry and Measurement Setup Dialog Archive This property and dialog menu archive illustrates the following set of property sheets and other dialog menus contained in the MS278XB GUI Occupied Bandwidth Setup Dialog Channel Power Setup Dialog e Adjacent Channel Power ACP Setup Dialog e Multicarrier Channel Power Setup Dialog e VSA Modulation Parameters Setup Dialog e WCDMA Graph Type Dialog e WCDMA Setup Dialog e TPC Limit Edge Definition Dialog Channel Table Editor Dialog Customize Tool Bar Dialog Options Dialog e MATLAB Setup Dialog The structure follows that of what one would encounter when normally interfacing with the analyzer Occupied Bandwidth Setup Dialog Occupied Bandwidth integrates the power of the displayed spectrum and puts markers at the bandwidth limits as specified in the measurement setup fields The measurement defaults to 9996 of the occupied bandwidth OBW Tab Power Sets the limits for the occupied bandwidth measurement by specifying the percentage of power vU Bandwidth Setup included in the measured bandwidth Range 10 to 100 in steps of 196 95 Power Default 9996 9996 X dB Sets the limits down from the carrier peak for which occupied bandwidth is measured Range 0 1 dB to 100 dB in steps of 0 1 dB Default 26 dB Figure 4 13 Occupied Bandwidth Setup Dialog 4 36 MS278XB OM
20. Single Ch Summary ATT 10 00 dB REF 5 00 dBm EVIM Max EVM EVvIMPaeakPas Scramble Code Slot 1 10010110 10010010 10110001 10110000 10011100 11110000 10010110 Slot 2 11000100 11001101 10010110 10111000 11110000 10101000 11011111 Slot 3 10000100 10100011 11000110 10110011 1 91 2 45 96 354 0 11110000 10010010 10010000 11111000 10100000 11001010 11001101 oo000000 11001110 10001101 10100011 11111000 11011101 10100001 10000000 11111100 11100001 10100000 Code HDSF 16 O Offset Freq Err Amp Err Phase Err 11011101 100000000 11011100 10001101 10011101 10010110 11010110 10110001 11101010 11110001 11100011 11110001 11011101 10011111 11100001 11011100 10010000 10111000 81 8 dB 430 3 Hz 1 52 0 46 deg 11111000 1000000101 11001000 11011000 11110011 11111000 11000110 10110000 10100011 10011111 10100000 10000000 10000000 10001111 10111000 10100100 11111010 11111010 Center 2 14000000000 GHz Total Power SCH Power P SCH Power 5 SCH Power 10010010 10100000 11011101 11111000 10110110 11111010 11001110 10100100 11011000 10110000 11111000 10011100 11010110 10110010 11110000 10000000 3 42 dBm 14 31 dBm 17 28 dBm 17 36 dam 11011000 10010100 11110001 11001010 10101010 10100001 10100100 11111000 10100001 11011111 11011111 10110010 10110110 10000100 11110001 10111010 Measurement
21. 0 100 MHz div span 1 000000 MHz Figure 5 8 Measuring Phase Noise MS278XB OM 5 27 RF Measurements Measurements 5 4 RF Measurements This section describes the one button Spectrum RF measurements that are available In the RF measurement mode refer to Measurement Main Menu on page 4 19 you can make power measurements such as Third Order Intercept Measurement Occupied Bandwidth Measurement Channel Power Measurement e Adjacent Channel Power Measurement e Multicarrier Channel Power Measurement 5 28 MS278XB OM Measurements RF Measurements Third Order Intercept Measurement The Third Order Intercept TOI measurement computes and displays the output intercept point and places markers on the trace to indicate the measured signals and their third order products For odd orders the measurement 1s done by 1 Applying 2 tones with a small separation usually lt 1 MHz and identical amplitudes to the DUT Note that the signal generator must generate very low levels of interfering signals at the expected location of the distortion components 2 Measuring the amplitude difference between the applied tones and the distortion components The distortion components will be at known frequencies based on the separation of the 2 tones and the order of the distortion 3 Computing the intercept point This 1s the theoretical level where the distortion component would be the same level as the input signal Since the distort
22. 00111000 00110000 11100010 00001111 11011000 10111100 10100000 10101010 10111011 01100110 10100101 11101010 10100110 00011010 00101010 Center 2 000000000 GHz 11111010 11100111 10100111 10011010 00100001 10010111 00101010 o0000100 01101000 01111001 01010110 11100111 00010001 10000000 01101011 11111111 10101010 11100001 10101110 10011101 10100001 11110001 00010010 11101001 01111100 11001100 01011101 01111111 10011010 11011100 11010101 10101110 11000011 11000001 01001000 01001111 01011111 00000111 00010100 11100001 oo000001 11100110 00041000 11011111 00010001 10111010 10000400 aoaiga O1000001 00100111 11011100 11110011 11010110 11111001 10110100 10011110 10100000 11101111 01010100 01110001 01010100 10100001 10000001 01000101 11111000 11101100 10101001 10001010 11110011 3 31 Graphical User Interface Overview Instrument Overview Figure 3 30 1s a summary table showing the key modulation quality measurements and the bit stream for one of the codes Note that the bit stream can be very long in some cases If you have captured the full 8 slots and have a High Speed HSDPA signal there can be many pages of the bit stream The scroll buttons at the right facilitate viewing all of this information Single Ch Summary Code 11 SF 128 ATT 10 00 dB REF 5 00 dBm EVM Lf Offset 47 21 dB Total Power 3 46 dBm Max EVM Freq Err 430 8 Hz SCH Power 13 32 dBm EV MPeak
23. Calculate the amplitude deviation by subtracting the new marker value from the 30 kHz RBW marker reading 15 Verify that the amplitude deviation 1s 0 1 dB 16 Repeat steps 11 through 16 for the rest of RBW and SPAN combinations in Table 5 12 Table 5 12 Resolution Bandwidth Switch Uncertainty Test MS2781B Marker Amplitude Deviation RBW Reading from 30 kHz RBW dB Specifications 5 92 MS278XB OM Measurements Operation Verification Residual Spurious Response The following test can be used to verify that the MS2781B meets Residual Spurious Response specifications Test Setup Connect the equipment as shown in the figure below 9000009 MS278X Signal Analyzer 50 Ohm Termination Figure 5 58 Equipment Setup for Residual Spurious Responses Test Test Procedure 1 Turn on both the MS2781B Signal Analyzer and warm up for one hour 2 Press the Preset key on the MS2781B to reset the instrument to factory default state 3 Set up the MS2781B as follows a Frequency Span 1 MHz b Sweep Type Swept c RBW 5 kHz d VBW 200 Hz e Attenuation 0 dB f Reference Level 60 dBm g Trace Detector Maximum 4 Set the MS2781B center frequency to the values listed in Table 5 13 and record the maximum displayed trace level in the table for each frequency MS278XB OM 5 93 Operation Verification Measurements Table 5 13 Residual Spurious Response Test Center Frequency Specifications MHz dBm dBm 5
24. Center z LDODOOOOO GHz Span 10000000 MHz 250 0 300 Frequency Figure 6 3 Signature Measurement Trace vs MATLAB Timerplot The timerplot function executes a continuously updated data acquisition routine and creates a plot of the data in real time within a MATLAB plot window You can also invoke measurement functions from the MATLAB command line For example another one of the measurement functions that will come with Option 40 is channel power To see the structure of the channel power command you can use the help function This is available for all of the MATLAB functions as well as all of the Option 40 functions To use this help feature type gt gt help command name MATLAB also has a Windows style help system which you can get to by using F1 or the drop down help menu Alles File Edit View Go Favorites Desktop Window Help xa 0 5 amp Contents Index Search Demos Title Release 14 Begin Here Q Begin Here Release Notes amp amp Installation Begin Here elease 14 amp MATLAB Compiler amp Communications Toolbox amp amp Filter Design Toolbox If You Are Upgrading from a Previous Release amp Instrument Control Toolbox 2 amp RF Toolbox Release Notes x amp Signal Processing Toolbox Summarizes new features bug fixes upgrade issues etc amp Simulink x Simulink Fixed Point Video Tutorials x G Stateflow Seven audio video tutorials are the best way to learn the new f
25. Default 4 GHz Terminators GHz MHz kHz Hz Cancel Span To set the frequency span press in the Span parameter field and enter a new value using the numeric keys When a new value is entered the terminator fly out will appear with the available units Press on the desired units to terminate the entry Range 10 Hz to 8 GHz Resolution 1 Hz Default 8 GHz Ranges 10 Hz to 100 Hz 100 Hz to 1 kHz 1 kHz to 10 kHz etc Terminators GHz MHz kHz Hz Cancel Span Presets To select a span preset press the Span Presets button and select the desired span preset from the fly out menu Range Full Span Zero Span Last Span Default Full Span Start To set the start frequency press in the Start parameter field and enter a new value using the numeric keys When a new value is entered the terminator fly out will appear with the available units Press on the desired units to terminate the entry Range 0 Hz to Stop MinSpan Resolution 1 Hz Default 0 Hz Terminators GHz MHz kHz Hz Cancel Stop To set the stop frequency press in the Stop parameter field and enter a new value using the numeric keys When a new value is entered the terminator fly out will appear with the available units Press on the desired units to terminate the entry Range Start MinSpan to 8 08 GHz Resolution 1 Hz Default 8 GHz Terminators GHz MHz kHz Hz Cancel 4 5 Menu Archive Table 4 4 Front Panel Menus Step Size and
26. Ethernet or view the instrument name Optimize Phase Noise To optimize phase noise toggle the button to Auto IO Config Offset When in Manual phase noise optimization the bandwidth can be toggled between 85 kHz or gt 85 kHz Optimize Phase SS Anti Alias Filter To toggle the anti alias filter on or off press on the Anti Alias Filter Off On toggle button The Anti alias filter is only available with Option 38 and when measuring QAM PSK signals Offset Y lt 85 kHz gt 85 kHz Anti Alias Filter Off On Remote Control Menu The Remote Control menu lets you return local control from remote operations such as GPIB remote control Table 4 23 Remote Control Menu To return the instrument to local control press on the Local Remote toggle button Remote Control A v Local Remote MS278XB OM 4 33 Menu Archive Front Panel Menus Service Menu The Service menu lets you toggle the internal 50 MHz calibrator Off and On and initiate a calibration alignment Table 4 24 Calibrator Menu Calibrator To toggle the internal 50 MHz calibrator Off or On press on the calibrator Off On toggle button A Service To initiate a calibration alignment press on the Cal Align button ens Warning This changes the level of the internal calibrator and should only be performed Y by qualified service personnel Off On Cal Align 4 3 9 MS278XB OM Front Panel Menus File Main Menu Menu Archive
27. Eye Graph of QPSK Modulated Test Signal MS278XB OM 9 39 Modulation Measurements Measurements QAM Measurement The following modulation measurements use a 2 GHz 64QAM modulated test signal at 5 dBm with the analyzer set up as follows e Modulation Format 64 QAM e Roll off Factor a 0 22 e Symbol Rate 5 MHz Constellation Graph of 64 QAM Modulated Test Signal EM 0 65 Yo ATT 10 00 dB CarrierFreqErr 0 173 k REF 0 00 dBm Sym Rate 5 000 MHz SymbolR ateErr 2 490 k tE palk A o O E ap d La ue Edi bs edito dE b d g diss we aub ui D 3d ox ux bou cux Ae ub dew EE d E od ele oa ex 1 79944 Center 2 000000000 GHz 1 79944 Figure 5 18 Constellation Graph of 64 QAM Modulated Test Signal 5 40 MS278XB OM Modulation Measurements Measurements Power vs Time Graph of 64 QAM Modulated Test Signal 0 64 95 D 173k 13 638 k CarrierFreqErr SymbolRateErr EM REF 0 00 dBm Sym Rate 5 000 MHz ATT 10 00 dB E 1010 Se E oooO c tl n M o Em a o a c a a a a a Td e Mm gt wi Wo Pa oo m 1000 Sym Center 2 0000000060 GHz 0 Sym 100 Sym Div Figure 5 19 Power Time Graph of 64 QAM Modulated Test Signal 5 41 MS278XB OM Modulation Measurements Measurements WCDMA Measurements All of the common modulation quality measurements are available similar to the Signature Option 38 QAM PSK Modulation Analysis however since this 1s fo
28. Remove the paper clip and carefully slide the drive tray completely closed If the drive tray does not slide smoothly or there 1s excessive resistance the mechanism may be damaged and in need of service from an authorized Anritsu service center MS278XB OM 3 11 Graphical User Interface Overview Instrument Overview 3 3 Graphical User Interface Overview This section provides descriptions of the front panel graphical user interface here forth referred to as the GUI The GUI 1s the LCD touch screen that can be accessed through direct touch or with a pointing device such as a mouse Figure 3 6 shows an annotated GUI Drop down Menu Bar A ee morran Took Heb ut Narr Wkr Pk Pk CE Pk gt RL MextPeak Traca Swm Print Hop Main Menu Main Menu Bar RBW 1 KHE ATT 10 0B VEM S kHz REF 0 00 dim ST i180 re Sub menu Displays Graticule Information Tred Cearwirite Merial Pec Memos Eran Graticule Display 2 Vr 4 94 91 errar icaid Erna Measurement Setup Information SOI Gra 13 080 kHz die Status Bar Bs Menu Navigation Fr Fits CkCk HER opii or rue Pee mem Figure 3 6 MS278XB Graphical User Interface The major elements displayed on the LCD screen are the e MS Windows style Drop down Menu Bar e Main Menu Bar e Graticule and Measurement Setup Information e Graticule and Data Display e Main Menu Bar with Sub menu Trees e Instrument Messages and Statu
29. Summary Y off Base Station User Equipment Y Downlink Uplink Code Domain Single Channel Tab WCDMA Graph Type Composite Code Domain Measurements of One Code Channel Code to Graph O SF gt Vector Diagram Summary Code EVM vs Time Eye I Constellation Code Power vs Slot Magnitude Error vs Diagram Overview Time Eye Q View Code Phase Error vs Time Domain Power Channel Identifier Eye 1 amp Q Graph Y Y Off On ICh QCh Base Station User Equipment Y Downlink Uplink Figure 4 20 WCDMA Graph Type Dialog MS278XB OM Parameter Entry and Measurement Setup Dialog Archive For Code Domain Power measurements the following graph types can be selected Code Domain Power Code Domain Power with Zoom Code Domain Error Code Domain Error with Zoom Summary Display Base Station User Equipment Uplink or Downlink For Code Domain Single Channel measurements select the Code number to graph and a spreading factor of 4 8 16 32 64 128 or 256 The following graph types can be selected Vector Diagram Constellation Diagram View Code Domain Power Graph Summary Display Code Power vs Slot Overview Code EVM vs Time Magnitude Error vs Time Phase Error vs Time All Errors vs Time Eye l Eye Q Eye I 8 Q or Q Channel Identifier Uplink only Base Station User Equipment Uplink or Downlink 4 49 Parameter Entry and Measurement Setu
30. THE USER ASSUMES THE ENTIRE RISK OF USING THE PROGRAM ANY LIABILITY OF PROVIDER OR MANUFACTURER WILL BE LIMITED EXCLUSIVELY TO PRODUCT REPLACEMENT NO LIABILITY FOR CONSEQUENTIAL DAMAGES TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW IN NO EVENT SHALL ANRITSU COMPANY OR ITS SUPPLIERS BE LIABLE FOR ANY SPECIAL INCIDENTAL INDIRECT OR CONSEQUENTIAL DAMAGES WHATSOEVER INCLUDING WITHOUT LIMITATION DAMAGES FOR LOSS OF BUSINESS PROFITS BUSINESS INTERRUPTION LOSS OF BUSINESS INFORMATION OR ANY OTHER PECUNIARY LOSS ARISING OUT OF THE USE OF OR INABILITY TO USE THE SOFTWARE PRODUCTS EVEN IF ANRITSU COMPANY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES BECAUSE SOME STATES AND JURISDICTIONS DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES THE ABOVE LIMITATION MAY NOT APPLY TO YOU TRADEMARK ACKNOWLEDGMENTS Windows Windows XP Microsoft Paint Microsoft Word Microsoft Access Microsoft Excel Microsoft PowerPoint and Visual Studio are all registered trademarks of Microsoft Corporation Acrobat Reader 1s a registered trademark of Adobe Corporation MATLAB is a registered trademark of The MathWorks Corporation NI is a trademark of the National Instruments Corporation Signature is a trademark of Anritsu Company NOTICE Anritsu Company has prepared this manual for use by Anritsu Company personnel and customers as a guide for the proper installation operation and maintenance of Anri
31. WCDMA Graph Type Dialog 4 48 WCDMA Setup Dialog 4 51 Customize Tool Bar Dialog 4 56 Options Dialog 4 56 MATLAB Setup Dialog 4 57 MS278XB OM 4 3 Menu Archive Front Panel Menus 4 3 Menu Archive This menu archive illustrates a comprehensive set of the main menus and sub menus contained in the MS278XB GUI The structure follows that of what one would encounter when normally interfacing with the analyzer Refer to Table 4 1 Table 4 2 and Figure 4 1 for a quick reference to the menu archive Frequency Main Menu The Frequency main menu can be quickly accessed by using the Ctrl Shift Q keyboard combination The Frequency Main Menu allows you to set the Center Frequency Frequency Span Frequencies Y Start Frequency Stop Frequency Frequency Offset Figure 4 2 Frequency Main Menu 4 4 MS278XB OM Front Panel Menus Frequencies Menu Menu Archive The Frequencies Menu lets you set the following frequency parameters Table 4 3 Frequencies Menu Frequencies Center 2 Hz Span 2 MHz Span Presets Start 1 999 GHz Stop 2 001 GHz MS278XB OM i A Center To set the center frequency press in the Center parameter field and enter a new value using the numeric keys When a new value is entered the terminator fly out menu will appear with the available units Press on the desired units to terminate the entry Range MinStart MinSpan 2 to MaxStop MinSpan 2 Resolution 1 Hz
32. 0 01 Default 1 Bandwidth Sets the bandwidth for the measurement RRC filter must be on Range 1 Hz to 8 GHz Default 3 84 MHz MS278XB OM Front Panel Menus CCDF Setup Dialog Parameter Entry and Measurement Setup Dialog Archive Occupied Bandwidth integrates the power of the displayed spectrum and puts markers at the bandwidth limits as specified in the measurement setup fields The measurement defaults to 99 of the occupied bandwidth CCDF Setup Tab CCDF Setup Target Num of Samples 1000000 X Axis Max Do 8 t Gaussian Reference Line Off On RBW 10 MHz Wideband RF Input 2 Figure 4 17 CCDF Setup Dialog MS278XB OM Target Number of Samples Sets the target number of samples for the measurement X Axis Max Sets the maximum X axis value Gaussian Reference Line Toggles the Gaussian reference line On or Off RBW Sets the resolution bandwidth for the analysis Input Selects between Wideband HF Input or Narrowband RF Input 4 43 Parameter Entry and Measurement Setup Dialog Archive Spectrum Mask Setup Dialog Front Panel Menus Spectrum Masks define limits typically used for compliance testing Apply Mask Tab Apply Mask Add Edit Delete Mask Highlighta mask fromthe list below and click this buttonto turn on offthe highlighted mask MaskID In use Not in use Name Description New Mask 1 Description 1 New Mask 2 Description 4 2 Addit
33. 1 2048 Bytes Block 656 5 Megabytes Disk Mode 2 2336 Bytes Block 748 8 Megabytes Disk Access Time DVD ROM 100 ms DVD RAM 170 ms CD ROM 90 ms Maximum Read Speed CD ROM 24 Times DVD ROM 8 Times Maximum Sustained Data CD ROM Mode 1 3600 Kilobytes sec Transfer Rate read CD ROM Mode 2 4104 Kilobytes sec DVD ROM Single 10 820 Kilobytes sec Maximum Write Speed CD R 24 Times CD RW 4 Times 10 times for high speed CD RW media Maximum Rotational Speed 5100 RPM CD ROM CD R Data Buffer Capacity 2 Megabytes Caution Do not use storage media that is of the incorrect type such as improperly formatted CDs Do not insert more than one disk at a time into the drive tray Do not use excessive force when loading or ejecting disks Failure to follow these cautions could result in loss of data or damage to the equipment Manually Ejecting the DVD ROM CD RW Drive Tray If the CD RW drive tray fails to eject a paper clip can be used to release the tray for manual ejection Warning Before proceeding power down the instrument and remove the power cord from the rear panel power receptacle 3 10 MS278XB OM Instrument Overview Front Panel Overview 1 To release the drive tray insert a 1 0 mm diameter paper clip into the manual release hole as shown in Figure 3 5 15 mm 22 1 0 mm Diameter Figure 3 5 Manually Ejecting the CD RW Drive Tray 2 Gently slide the tray open and remove your disk from the drive tray 3
34. 10 Setting the Bandwidth Coupling Modes 0 00 ee eens 5 11 SOG MaIKOES 2 25 n m dar weet te rfr Se ae eras Bnd is Da 5 12 setting Trace Modes imu d etus is Ae xiu Ong eR Ye da 5 14 Configuring the Triggering 1 0 cc ee Rn 5 17 5 3 Measurement Examples 0 00 cc ee rrr 5 19 Measuning a CW Garner za wis ec os tienda at ds LIS isa 5 20 Measuring Harmonics cu umen om a rax Ben as Rie oa Sate ate Oe de p OR e data tr 5 21 Displaying Wide Band FFT Mode o o oocococoocco ee 5 22 Displaying Narrow Band FFT Mode 00 cc es 5 23 Measuring a Pulse in the Time Domain 0000 eee 5 24 Displaying Detectors ipte atte doa op QUE oO der ee ee d RU od A Fleas 5 25 Displaying Trace MOGGS so vedio pend actum a a wetter ar e CR NECARE e e 5 26 Measuring Phase Noise c d rac ces a mde is ol uat scd ae apta a SP a a Mind 5 27 94 HHENISSSUFeITIG lis ciar up te Mos reir o urn Cog curta ac bea 5 28 Third Order Intercept Measurement oooooco ees 5 29 Occupied Bandwidth Measurement llle 5 30 Channel Power Measurement 0 000 0c ee eee ee ees 5 31 Adjacent Channel Power Measurement 0 0000 tee eens 5 33 Multicarrier Channel Power Measurement llle 5 34 MS278XB OM Table of Contents Continued 5 5 Modulation Measurements o oooooor hh 5 35 OPSKMedasultepmtebb aval os 5 36 OANUMOSSUEOTTIGEIL s s d ry te tib addo ED A ED CREDI Dg b 0
35. 1s reached The corresponding bandwidth is reported as OBW The Center of the measurement 1s the point where the integrated power is one half of the total span The instrument then starts at the center and move outward until the X dB value is crossed then reports the X dB bandwidth value The following measurement is made on a 2 GHz 3 8 MHz QPSK modulated test signal The analyzer is set up with a 20 MHz span using all other default setups RBIW 200 kHz ATT 10 dB VEW OFF REF 0 00 dBm ST 3 ms Trci ClearWrite RMS Start 1 990000000 GHz Center 2 000000000 GHz Stop 2010000000 GHz 2 000 MHz div Span 20 000000 MHz Occupied Bandwidth OBW 4 2 MHz 36 Power 99 26 dB BW 4 64 MHz Figure 5 10 Occupied Bandwidth Measurement 5 30 MS278XB OM Measurements RF Measurements Channel Power Measurement The Channel Power CP measurement 1s similar to a power meter It shows the total power from a transmitter but the measurement 1s more accurate than a power meter as it is frequency selective and can be made on lower amplitude signals The channel power measurement is made by integrating the power reading from multiple pixels on the display and making various corrections to this result The measurement is made by setting the span to be somewhat larger than the channel width of interest Markers are used to indicate the channel width and the power from all of the display points within the markers are integrated to obtain the channel power RMS
36. 2 Required Equipment Instrument Critical Specification Recommended Manufacturer Model Cable N m to N f Anritsu Model 15NNF50 1 5C Frequency 50 MHz Impedance 50 Q Cable K m to K m Any Frequency Range DC to 8 GHz Impedance 50 Q Cable BNC m to BNC m Any Frequency 10 MHz Impedance 50 Q Phase Matched N m to N m Maury Model 8828B Adapter Phase Matched N m to N f Maury Model 8828C Adapter Power Splitter Weinschel Model 1870A Power Meter Dual Channel Anritsu Model ML2438A Power Sensor Frequency Range 10 MHz to 8 GHz Anritsu Model MA2442B High Accuracy Diode Sensor two units required Programmable Attenuation 0 to 90 dB Anritsu Model MN63A Attenuator capable of both 1 dB and 10 dB increments Frequency Range DC to 2 GHz Impedance 50 Q Termination Frequency Range DC to 8 GHz Anritsu Model 28N50 2 Return Loss 40 dB 5 72 MS278XB OM Measurements Operation Verification Reference Oscillator Aging Rate Optional The following test can be used to verify that the MS2781B 10 MHz Reference Oscillator 1s within its aging specification The instrument derives its frequency accuracy from an internal 10 MHz crystal oscillator standard An inherent characteristic of crystal oscillators is the effect of crystal aging within the first few days to weeks of operation Typically the frequency of the crystal oscillator increases slightly at first then settles to a relatively constant value for the rest of its lif
37. 2 shows the probe power port pinout Table 3 2 Probe Power Port Pinout Pin Description 1 115 Vdc at 130 mA 2 Ground 3 12 6 Vdc at 45 mA Tracking Generator Output Port Not used at this time e RF Input Port Ruggedized N style connector 30 dBm 500 MAXIMUM ZERO 0 Volts DC from 100 Hz to 8 GHz input Table 3 3 RF Input Port Pin Description 1 Outer Shield and Screw Fastener 2 Center Pin e Source Output Port Not used at this time MS278XB OM 3 9 Front Panel Overview Instrument Overview DVD ROM CD RW Drive The DVD ROM CD RW drive is capable of reading digitally stored data on a variety of CD media The drive is also capable of writing digital data to CD R and CD RW media You can use either 12 cm or 8 cm diameter media The DVD ROM CD RW drive supports ATA Packet Interface ATAPI revision 2 6 Performance specifications for the drive are listed in Table 3 4 Table 3 4 DVD ROM CD RW Performance Specifications Function Specification Compatible Read Disk Types CD DA CD E G CD MIDI CD TEXT CD ROM CD ROM XA MIXED MODE CD I CD I BRIDGE PHOTO CD VIDEO CD CD R CD RW and MULTISESSION PHOTO CD CD EXTRA PORTFOLIO DVD ROM DVD 5 DVD 9 DVD 10 DVD 18 DVD R VER 1 0 and 2 0 DVD RW VER 1 1 DVD RAM VER 2 1 Compatible Write Disk Types CD R and CD RW of types listed above Compatible Write Format Disk at Once Track at Once Session at Once Packet Write Data Capacity write Mode
38. 20 Hz 30 Hz 50 Hz 100 Hz etc Default Auto see VBW RBW Y Terminators GHz MHz kHz Hz Cancel Manual Auto Sweep Time To set the sweep time when in the manual mode press in the Sweep Time parameter field and enter a value using the numeric keys When a new value is entered the terminator fly out will appear with the available units Press on the desired units to terminate the entry Range 5 ms to 10 ks 0 1 ms to 10 ks in zero span Resolution 1 ms or 1 of upper bound of range 100 us in zero span Default Auto k Span RBW if VBW is gt RBW or Auto k Span VBW RBW if VBW lt RBW where k k factor 1 8 for Auto speed mode k k factor 5 for Auto Accy mode Terminators ks s ms us Cancel To toggle between manual or automatic sweep time modes press the Manual Auto button MS278XB OM 4 11 Menu Archive Front Panel Menus Auto Coupling Menu The Auto Coupling menu lets you select the coupling modes and set the coupling parameters Table 4 8 Auto Coupling Menu To select the fully coupled mode press the All Auto button This couples all of the bandwidth coupling factors automatically Span RBW To set this coupling parameter press in the Span RBW parameter field and enter a value using the numeric keys When a new value is entered the terminator fly al Supe out will appear with the available units Press on the desired units to terminate the entry Range 2 to 10 000 Auto Coup
39. 2006 Date European Contact For Anritsu product EMC amp LVD information contact Anritsu LTD Rutherford Close Stevenage Herts SG 2EF UK FAX 44 1438 740202 Pt d rH BB 4 Jn BY 7b 28 HJ dn NA For Chinese Customers Only YLNB SIE AR E BA ee ph Hg Cd Cr E PBB PBDE 2E BEAR m DE ER REN rale NETO LCD Kt CEL PU XE SESS SS Appended goods O SURUCHEEH E MEA AA AI ARA B BA SJ T11363 2006 PER FE BUR E BR OK LAF a Xi SORUUCH ERH SOME EVE KA AS BM SJ TI1363 2006 PEE AY PR E BB OK o AREA BAR Ga XX PRG 2006 2 28 AMAI PAP uno Al E ENE AA SJ T 11364 2006 BS Ar m AREA Se GATES AS Br da MRE PARR MRT eR ST UE diu B zz de UG ACD FH TERR MATA E MER ARES BERA ARABI a SEDET RI RESF MAPA AB RUPE AREA 1 EP HET mF S AY BAS Can S N 0728XXXX 907 F 28 JEE Equipment marked with the Crossed out Wheelie Bin symbol complies with the European Farliament and Council Directive 2002 86 EC the WEEE Directive in the European Union hor For Products placed on the EU market after August 13 2005 please contact your local Anntsu representative at the end ofthe product s useful life to arrange disposal in accordance with your initial contract and the local law Safety Symbols To prevent the risk of personal injury or loss related to equipment malfunction Anritsu Company uses the following symbols to indicate safety related information For your own safety please read the informati
40. 5 4 MS278XB OM 5 75 Operation Verification Measurements 9 Turn on Marker and perform Marker Peak search Read the marker frequency and verify that the value is within specifications using the formula below marker freq x reference accuracy span accuracy 0 05 x RBW 0 5 x last digit For technical specifications refer to the Signature Technical Data Sheet part number 11410 00396 located in Appendix A of the Signature operation manual 10 Repeat steps 8 through 9 for other RBW Span combinations listed 1n Table 5 4 11 Repeat steps 7 through 10 for 7900 MHz Table 5 4 Frequency Readout Accuracy Test MHz Hz Hz Hz Frequency we o w wwo w iw 3w 30m w 3 39959 wwo woww 3om 199 wwo we iw w ww w w w 30m w 3x 39959 wwo woww 3om 3995 i oxo 5 76 MS278XB OM Measurements Operation Verification Frequency Span Accuracy The following test can be used to verify that the MS2781B is within its Frequency Span Accuracy specifications Test Setup Connect the equipment as shown in the figure below 10 MHz Reference Input 10 MHz e Reference i S Output c2 c Amr c gt j z Dee 34NKF 50 MS278X Signal Analyzer i N m to Kin MG369XB Signal Generator Adapter 3 dB Fixed 3 dB Fixed i Attenuator Attenuator Coaxial Cable Figure 5 50 Equipment
41. 60 Hz L5 1 5 DN 5 1 Code Damain Power Center 2 000000000 GHz gu Scramble Code Primary 0 Code 0 Center 2 000000000 GHz Code 4 255 Figure 5 35 Single Channel Constellation of HSDPA Code with Code Domain Power Overview 5 58 MS278XB OM Measurements Modulation Measurements Below 1s the Summary table showing the key modulation quality measurements and the bit stream for one of the codes In this case it is code 11 at spreading factor 128 The modulation quality measurements are again very similar to the Composite amp QPSK measurements with minor differences For example PCDE and Rho don t make sense for a single code Note that the bit stream can be very long in some cases If you have captured the full 8 frames and have a high speed HSDPA signal there can be many pages of the bit stream The scroll buttons at the right facilitate viewing all of this information Single Ch Summary Code 11 SF 128 ATT 10 00 dB REF 5 00 dBm EVM yO Offset 47 21 dB Total Power 3 46 dBm Max EVM Freq Err 430 8 Hz SCH Power 13 32 dBm EV MPeakPos Amp Err 0 83 P SCH Power 16 37 dBm Scramble Code Phase Err 0 36 deg S SCH Power 16 29 dBm Slot 1 CUOEA Slot 2 4D0D6 Slot 3 BCCF Slot 4 5ED6 Slot 5 DFEF Slot 6 FOC Slot 7 FECA Slot 5 apEE Center 2 140000000 GHz Figure 5 36 Single Code Summary Table with Bit Stream Display MS278XB OM 5 59 Modulation Measurements
42. 9 MS278XB OM Chapter 2 Preparation for Use 2 1 Introduction This chapter provides information for the initial inspection preparation for use and installation instructions for the MS278XB signal analyzer Information is also included for interfacing the MS278XB through e EEE 488 2 General Purpose Interface Bus Ethernet Port e External Devices Detailed programming information can be found in the MS278XB programming manual part number 10410 00274 that came with the analyzer on CD or in the online Help system 2 2 Operating Environment The MS278XB operational environmental specifications are listed below Table 2 1 MS278XB Operational Environmental Specifications Operating Temperature Range 0 to 50 degrees Celsius per MIL PRF 28800F Relative Humidity 5 to 9596 per MIL PRF 28800F Altitude 4 600 meters 43 9 cm Hg Vibration Sinusoidal 5 Hz to 55 Hz on 3 axes 2 3 Power Requirements The MS278XB is equipped with automatic line power sensing and will operate with any of the following line voltages 100V 120V 220V 240V 5 1096 48 63 Hz 350 VA The MS278XB is intended for Installation Category Over Voltage Category II Warning When supplying power to this equipment connect the accessory 3 pin power cord to a 3 pin grounded power outlet If a grounded 3 pin outlet is not available use a conversion adapter and ground the or green wire or connect the frame ground on the rear panel of t
43. Code SF parameter field where n is the active marker s number and entering a value using the numeric keys When a new value is entered the terminator E EI On j Normal Delta fly out will appear with Enter or Cancel Press on the Spreading Factor button and select E E the spreading factor from the menu fly out The rotary knob or Up down arrow keys may b e also be used to increment the marker value The marker s value is displayed in the field below Marker n Code SF and on the All Markers Off graticule display All Markers Off Press the All Markers Off button to deactivate all of the markers i Uplink branch Y Q Uplink Branch Press the l Q toggle button to select between the or Q channel of the WCDMA Uplink mode This button is only available when in the Uplink mode Note Marker selections in the WiMAX measurement mode are made via the WiMAX application Refer to the Signature Option 41 SignalLab WiMAX Analysis Software User Guide part number 10410 00276 for information on WIMAX measurements using Signature Marker to gt Menu The Marker To gt menu lets you perform the following actions Table 4 10 Marker To Menu Marker selections are made available depending on the measurement mode and graph r type selected Marker To A Mkr Peak To send the marker to the trace peak press on the Mkr gt Peak button The peak is on the active trace when this menu is accessed and th
44. In addition to target parameters there are system generated data from the hardware receiver The system generated data appears in the system as a series of floating point arrays or traces You may choose to export one or more of these traces into the MATLAB environment therefore the system presents you with a list of data sources to output For Spectrum type measurements you may choose to export up to five traces each of which can be configured differently based on the various trace states and detection options For the Vector Signal Analysis measurements the system exports only Trace 1 which represents I Q vs Time PreConditions The preconditions for operational interfacing of all of the above uses assume that the system is running at steady state It also assumes that no other applications or applets are being executed in the foreground during these uses Connecting to MATLAB To launch and start sending data to MATLAB proceed as follows MS278XB OM Software Peripherals Signature MathWorks Connectivity Option 40 only 1 Select MATLAB from the Tools drop down menu or the toolbar 1con This brings up a dialog for configuring what is sent to MATLAB as shown below MATLAB Setup MATLAB Setup Basic Advanced Basic Advanced Send To MATLAB IQ Data Select MATLAB script Sample Rate S s to Run Band Width Hz 50M 25M gt Type MATLAB script to Run Capture Time 34 24 ms Sweep Mode v Continous Single Scri
45. Index 7 25 pin Parallel Printer Connector Pinout Diagram 15 17 19 21 23 25 4 16 18 20 22 24 Pin Name Description 1 Strobe signal drops TTL low when data is being sent to printer 2 Data signal to printer 3 Data signal to printer 4 Data signal to printer 5 Data signal to printer 6 Data signal to printer 7 Data signal to printer 8 Data signal to printer 9 Data signal to printer 10 Acknowledge signal drops TTL low when data is received by printer 11 TTL high when printer is busy 12 TTL high when printer is out of paper 13 TTL high signals that the printer is online 14 TTL high signals an auto feed 15 TTL low signals a printer error 16 TTL low initializes the printer 17 TTL high sets printer offline 18 to 25 Electrical reference ground Table 3 12 Indexes 4 5 11 to 18 and 21 to 24 BNC Connector Pinout Diagram 1 Carries data or signal 2 Shield Ground return or shield 3 44 MS278XB OM Instrument Overview Rear Panel and Connector Diagrams Table 3 13 Index 8 15 pin XGA Connector Pinout Diagram Pin Name Description 1 Red Red Video 75 0 7 Vp p 2 Green Video 75 Q 0 7 Vp p 3 Blue Video 75 Q 0 7 Vp p 4 ID2 Monitor ID Bit 2 5 GND Ground 6 Red Ground 7 Green Ground 8 Blue Ground 9 Key Connector Orientation Key 10 SGND Sync Ground Monitor ID Bit 0 12 ID1 Monitor ID Bit 1 Hsync Horizontal Sync Go 14 Vsync Vertical Sync 15 ID3 Monitor ID Bit 3 Table 3 14 Index 9 and 10 6 pin PS2
46. Measurements 4 20 4 21 4 22 RMS Detector eiue i teats Ro ita 4 24 Rollo actor ui imt iate ect 4 37 Index 5 S Roll off Factor in ACP Setup 4 39 Roll off Factor in Multicarrier Channel Power Setup 4 42 Roll off Factor Modulation 4 46 RO0t INYU DISE au uai reato a o 4 46 EROTICO E Sse eth BS cL m tits 4 37 4 39 BRO EUR atan sa Rd AS 4 42 S Safety Symbols For Dalel aca daten Eu E RACER RERO a was 1 2 VES oes uh odo o Dads lur Ron hu noe 1 1 On Equipment ieee stewie akan Exe dox n 1 1 Sample Detector aisccod nose esate aa 4 24 Sample Rate in MATLAB Setup 4 58 DAVE Debubs rond zu doe dae En a kou deis 4 35 ocale IV Peas S dua ew wo ae v OA oe 4 9 SC CI au dana tome aa df dun secos 4 8 Scale Div Setting o ooooooooo ooo 5 7 Screen Shots Copying leen 6 6 Service Menu 0 00 ee eee eee 4 34 Setups Adjacent Channel Power 4 38 Channel Power eese 4 37 Modulation Parameters 4 46 Multicarrier Channel Power 4 40 Occupied Bandwidth 4 36 Sq IBID oo suck i pace qt do uen de d ei dox M 4 35 WCDMA Graph Type 4 48 WCDMA Setup Ieremias 4 51 Shutdown Instrument 2 5 2 6 Signature About Di3liog d bs tarta ved Ooh 3 16 Sime te JO Inp l 522299 42 3 22 3I IM 4 47 Slope LEPE als AA a 4 30 Slot for Marker lt lt
47. Offset Menu The Step Size and Offset Menu lets you set the center frequency step size and frequency offset parameters StepSize And Offset ie cem Sias 4 6 1 10 Span Frequency Offset o Hz Step Size and Offset Menu CF Step Size To set the center frequency step size press the CF Step Size button and select the desired step size from the fly out menu To set the span step size manually select Manual in the fly out menu then press in the CF Step Size parameter field and enter a value using the numeric keys When a new value is entered the terminator fly out will appear with the available units Press on the desired units to terminate the entry Range 1 10 Span Y Span Span Center Marker Span Manual Resolution 1 Hz for Manual 0 01 Hz or 1 Hz for Span Default 1 10 Span Terminators GHz MHz kHz Hz Cancel Applies only to choices where a numeric value is entered Frequency Offset To set the frequency offset press in the Frequency Offset parameter field and enter a new value using the numeric keys When a new value is entered the terminator fly out menu will appear with the available units Press on the desired units to terminate the entry Range 100 GHz to 100 GHz Resolution 1 Hz Default O Hz Terminators GHz MHz kHz Hz Cancel MS278XB OM Front Panel Menus Menu Archive Amplitude Main Menu The Amplitude main menu can be quickly accessed by using the Ctrl Shift W ke
48. On or Off Limits Sets the TPC limits edge definitions Refer to Figure 4 22 for more information on setting the TPC limit edge definitions Step Size Select step sizes of 1 2 or 3 dB Command Pattern Select the command pattern of 1 O or 1 TPC Test Profile Only Uniform is available at this time Custom Profile Name Not available at this time Base Station User Equipment Uplink or Downlink The TPC Limit Edge Definition dialog lets you manually enter the transmit power control limit edge definitions TPCLimitEdgeDefinition Lower Limit in dB Upper Limit in dB Step size 1 dB Cmd pattern 1 1 5 Cmd Pattern O 0 5 Cmd pattern 1 0 5 Step size 2 dB Cmd pattern 1 Cmd Pattern O Cmd pattern 1 1 Step size 3 dB Cmd pattern 1 l 45 Cmd Pattern 0 0 5 Cmd pattern 1 1 5 Figure 4 22 TPC Limit Edge Definition Dialog 4 54 For each step size option both the upper and lower limit can be set for the command patterns of 1 0 and 1 MS278XB OM Front Panel Menus Parameter Entry and Measurement Setup Dialog Archive Channel Table Editor Dialog The Channel Table Editor dialog lets you manually enter the active code channel setup Channel Table Editor ChannelTableEditor The Channel Table Editor is used to create or edit Manually create edit a channel table ch an nel tables Code 0 SF256 Active Scroll Bar Use the scroll
49. Power Channel Power Adjacent Channel 1 9 090 dBm Upper 53 900 dB 2 9 200 dBm Lower 54 160 dB 3 9 190 dBm 4 0 390 dBm 4Alt1 channel Upper 55 940 dB Lower 56 130 dB Figure 5 13 Multi Carrier Channel Power with ACPR Measurement 5 34 MS278XB OM Measurements 5 5 Modulation Measurements This section outlines a few common modulation measurements performed by Signature These measurements include e QPSK Measurement QAM Measurement e WCDMA Measurements Code Domain Power Measurement Code Domain Error Measurement Composite Measurement Single Code Measurement Single Code with Compressed Mode Measurement WCDMA Uplink Code Domain Power WCDMA Uplink Code Domain Single Channel MS278XB OM Modulation Measurements 5 35 Modulation Measurements Measurements QPSK Measurement The following modulation measurements use a 2 GHz test signal at 5 dBm with the analyzer set up as follows e Modulation Format QPSK e Filter Type vNyquist e Roll off Factor a 0 22 e Symbol Rate 3 84 MHz Vector Graph of QPSK Modulated Test Signal EMM 0 71 ATT 10 00 dB CarrierFreqErr 0 173 k REF 0 00 dBm Sym Rate 3 840 MHz SymbolR ateErr 27 311 k Single hu YN At i i M nm ni UT 1 79944 Center 2 000000000 GHz 1 79344 Figure 5 14 Vector Graph of QPSK Modulated Test Signal 5 36 MS278XB OM Measurements Modulation Measurements EVM vs Time Graph of QPSK Modulated Test Signal EMT 0 71
50. Record the maximum Spurious amplitudes in Table 5 14 in the appropriate column Change the Frequency Span to 3 MHz and repeat steps 5 through 8 MS278XB OM 5 95 Operation Verification Measurements 10 Record the maximum Spurious amplitudes in the appropriate column of Table 5 14 based on the frequency offset from the carrier frequency Note Any spurs found should be verified not to originate from the signal source Table 5 14 Input related Spurious Responses Test Center Source Spur Amplitude Spur Amplitude Frequency Frequency f 300 kHz from Specification f2300 kHz from Specification MHz Carrier Carrier dBc 10 80 12 5 80 16 80 21 5 80 32 80 142 5 80 500 80 650 80 820 80 950 80 999 80 1020 80 2640 80 3000 80 3500 80 4000 80 4500 80 5000 80 5500 80 6000 80 5 96 MS278XB OM Chapter 6 Software Peripherals 6 1 Introduction This chapter describes a few of the software peripherals that may be used in conjunction with Signature to enhance data analysis and presentation These peripherals are centered around the advanced features of MathWorks MATLAB and the popular Microsoft Office tools Here we will briefly describe the uses of and demonstrate how to export the measurement data that Signature acquires into the following powerful applications e MathWorks MATLAB e Microsoft Paint e Microsoft Word Microsoft Excel Microsoft Access e
51. Setup for Frequency Span Accuracy Test Test Procedure 1 Set up the instruments as shown in Figure 5 50 2 Turn on both the MS2781B Signal Analyzer and the MG369XB Signal Generator and allow them to warm up for one hour Press the Preset key on the MS2781B to reset the instrument to the factory default state Set the MS2781B to use External Reference signal Set the output level of the MG369XB to 6 dBm Set up the MS2781B as follows Reference Level 0 dBm Attenuation 10 dB VBW Auto Seep Time Coupling Accy e Center Frequency 4000 MHz 7 Set Span Frequency and RBW on the MS2781B to the values listed in the next row of Table 5 5 8 Set the output frequency of the MG369XB to the corresponding F1 value per Table 5 5 o OU A U a6 g E 9 Turn on Marker and perform a Marker Peak Search Record the marker readout value as FT 10 Set the output frequency of the MG369XB to the corresponding F2 value per Table 5 5 11 Perform Marker Peak Search Record the marker readout value as F2 MS278XB OM 5 77 Operation Verification Measurements 12 Use the formula below to verify whether the measured result 1s within specifications FI F apanError NR apan 13 Repeat steps 7 through 12 for the other combinations of Span and RBW settings listed in Table 5 5 Table 5 5 Frequency Span Accuracy Test Hz Hz MHz MHz Hz F2 F1 0 8 im s 3955 4x4 f 5 78 MS278XB OM Measurements Operati
52. Signature software running If a USB mouse fails to operate when the instrument is started with the mouse plugged into the USB port reboot the instrument with the mouse disconnected and make the hot connection after the Signature software is running MS278XB OM 2 27 Preparation for Storage Shipment Preparation for Use 2 10 Preparation for Storage Shipment Preparation for Storage and Shipment The following paragraphs give instructions for preparing the MS278XB for storage or shipment Preparation for Storage Preparing the analyzer for storage consists of cleaning the unit packing the inside of the storage container with moisture absorbing desiccant crystals and storing the unit in a temperature controlled environment that is maintained between 40 C and 75 C Preparation for Shipment To provide maximum protection against damage in transit the analyzer should be repackaged in the original shipping container If this container is no longer available and the unit 1s being returned to Anritsu for repair advise Anritsu Customer Service they will send a new shipping container free of charge In the event neither of these two options 1s possible instructions for packaging and shipment are given below Use a Suitable Container Obtain a corrugated cardboard carton with a 125 kg test strength This carton should have inside dimensions of no less than 15 cm larger than the unit dimensions to allow for cushioning Protect the Ins
53. Spread Factor Ch CDP dBm CDP dB CDE dB HS DPCCH Figure 5 42 Code Domain Power with Zoom In the I channels the first 16 code channels are magnified in the middle The E DPCCH C 256 1 I in magenta can be seen to have a significant CDP value Similarly the HS DPCCH C 256 64 Q in cyan can be seen to have a significant CDP value MS278XB OM 5 65 Modulation Measurements Measurements The Code Domain Error graph shows the code domain error for each channel instead of the code domain power Figure 5 43 and Figure 5 44 show the Code Domain Error and Code Domain Error with Zoom for the same signal shown earlier in Figure 5 41 and Figure 5 42 Code Domain Error 1 Slot 1 ATT 10 00 dB REF 0 00 dBm Code 0 Code 255 Code Domain Error Code 255 Ch amp CDP dBm CDP dB CDE dB Figure 5 43 Code Domain Error 5 66 MS278XB OM Measurements Modulation Measurements Code Domain Error Di Slot 1 Code Domain Error Ey ATT 10 00 dB REF 0 00 dB rn Code 25 Code 0 Code 15 Code 4 64 Code 4 79 Center 4 Q00000000 GHz I g Type Spread Factor Ch CDP dBm CDP dB CDE dB HS DPCCH Figure 5 44 Code Domain Error with Zoom MS278XB OM 5 67 Modulation Measurements Measurements WCDMA Uplink Code Domain Single Channel The Code Domain Single Channel measurement for Uplink shows the CDP for each code channel There are two graph type options for this measurement e Summary
54. Table 5 9 8 Press the Sweep button on the Sweep menu and allow averaging to complete 9 Record the displayed noise level in Table 5 9 and verify that 1t meets the specification 10 Repeat steps 7 through 9 for the rest of the center frequencies in Table 5 9 MS278XB OM 5 85 Operation Verification Table 5 9 Average Noise Level Test 5 86 Center Frequency 10 MHz 98 MHz 499 MHz 999 MHz 1499 MHz 2099 MHz 2499 MHz 2899 MHz 3499 MHz 3999 MHz 4499 MHz 5499 MHz 6099 MHz 6699 MHz 7099 MHz 7699 MHz 999 999995 MHz Measured Result Measurements Specifications lt 167 dBm lt 167 dBm lt 167 dBm lt 167 dBm lt 166 dBm lt 166 dBm lt 166 dBm lt 165 dBm lt 165 dBm lt 165 dBm lt 165 dBm lt 165 dBm lt 163 dBm lt 163 dBm lt 163 dBm lt 163 dBm lt 163 dBm MS278XB OM Measurements Operation Verification Frequency Response The following test can be used to verify that the MS2781B is within its Frequency Response specifications Test Setup Connect the equipment as shown in the figure below 10 MHz Reference Input 10 MHz Reference Output aged x MS278X Signal Analyzer MG369XB Signal Generator Coaxial Cable Phased 10 dB Matched Fixed Adapter Attenuator a 3 dB Fixed Attenuator a Power SensorA Power Sensor B Power Splitter Connect as directed in procedure Figure 5 55 Equipment
55. The File main menu can be quickly accessed by using the Ctrl Shift H keyboard combination The File main menu lets you Save and Recall Instrument Setups Export Trace Data to a csv file Open Windows File Explorer Print the Current Measurement Display Figure 4 12 Preset Main Menu File Menu The File menu lets you save and recall measurement setup information and send the measurement display to a printer Table 4 25 File Menu r 7 File A Save Recall Export File Explore Print HR MS278XB OM To save the current instrument setup press on the Save button to open a Windows Save As dialog You can enter a name for your current setup and save the file as an Anritsu Setup File asr The current default folder is C Signature Setup To recall a previously saved instrument setup press on the Recall button to open a Windows Open dialog You can then browse for the Anritsu Setup File asr The current default folder is C Signature Setup To export the current measurement data to a csv file press on the Export button to open a Windows Export dialog You can enter a name for your data file and save the file as a comma separated value file csv The current default folder is C Signature To send the current measurement data to a printer press on the Print button to open a Windows Print dialog You can configure the printer options based on the selected printer and its capabilities 4 35
56. This 1s defined as the width of the filter response at 1ts 3 dB 50 point from maximum Increasing the RBW allows faster sweep times while decreasing the RBW allows you to view lower noise levels 1 Press the BW icon on the main menu bar or press the Bandwidth key on the instrument front panel to display the Bandwidth menu below Bandwidth REW 3 MHz Y Manual Auto YEW 3 MHz Y Manual Sweep Time 16 ms Y Manual Auto 2 Select Auto RBW mode or press in the RBW parameter field and use the keypad to enter the desired bandwidth then select the appropriate terminator from the fly out menu WCDMA Channels 5 8 MS278XB OM Measurements Basic Measurement Setups Setting the Video Bandwidth The Video Bandwidth VBW sets the filter response of the analyzer s Video processor 1 Press the BW icon on the main menu bar or press the Bandwidth key on the instrument front panel to display the Bandwidth menu below Bandwidth RE 3 MHz Y Manual Auto YEW 3 MHz Y Manual Sweep Time 16 ms Y Manual Auto 2 Select Auto VBW mode or press in the VBW parameter field and use the keypad to enter the desired bandwidth then select the appropriate terminator from the fly out menu WCDMA Channels MS278XB OM 5 9 Basic Measurement Setups Measurements Setting the Sweep Time The Sweep Time sets the duration of a full span sweep When the sweep time is set to Manua
57. Timeout 10sec y F System Controller Set EDI with EOS on Write amp btEOS Compare Figure 2 14 National Instruments GPIB Configuration Dialog Make similar changes on the Remote PC side by selecting the System Controller choice and changing the GPIB address as required When Signature 1s selected as the system controller the message System Controller 1s displayed in Signature s status bar Note Signature cannot be remotely controlled through GPIB by another remote PC when it is selected as the system controller MS278XB OM 2 15 Remote Interface Setup LAN Setup The LAN can be set up via the RJ45 Ethernet port Network Connections Preparation for Use The MS278XB supports 10 100 BASE T You can connect the analyzer directly to your LAN via the RJ45 connector on the rear panel Refer to Figure 2 14 below for an illustration t ELL le Figure 2 15 Ethernet Connection Network Interface Setup From Local Area Network LAN ORO 6 oie WG A Hg ME CM TCP IP connectivity requires setting up the parameters described at the beginning of this section You may need to contact your network administrator or refer to your network documentation for further assistance The following procedure is a general overview of how to set up a general LAN connection on both the MS278XB and the remote machine The actual menus and sequence may vary 1 From the Start menu select Control Panel E Inter
58. Windows Me Windows NT 4 0 or Windows 2000 to control your Windows XP Professional computer remotely The client software is available from the Microsoft Web Site The client software is installed by default on computers running Windows XP Professional and Windows XP Home Edition and is available to install on computers from these disks 1 Insert the Windows XP compact disc into your CD ROM drive 2 When the Welcome page appears click Perform additional tasks then click Setup Remote Desktop Connection 3 When the installation wizard starts follow the directions that appear on your screen Note The remote machine should have a Terminal Services client installed on it If you have a Windows XP machine the remote monitoring capability is automatically installed with the operating system For other operating systems please review your supplier s documentation to see how to install and configure a Terminal Services client on your machine 7 2 MS278XB OM Remote Operation Starting a Remote Desktop Session Remote Desktop Once you have enabled your analyzer to allow remote connections and have installed the client software on a Windows based client computer you are ready to start a remote desktop session You must first establish a virtual private network connection or remote access service connection from your client computer to your office network or host computer To start a new connection 1 Open Remote Desktop Connecti
59. and submenus Table 4 2 contains a list of property sheets and dialog menus Table 4 1 List of Menus Main Menu Page x O Frequencies Menu Step Size and Offset Menu 4 6 Amplitude Menu Frequency Main Menu Amplitude Main Menu T co Y Axis Options Menu Bandwidth Menu 4 11 Auto Coupling Menu 4 12 Marker Select Menu 4 14 Marker to gt Menu 4 17 Bandwidth Main Menu T 00 Marker Main Menu Marker Config Menu 4 18 Display Lines Menu 4 18 Measurement Main Menu Measurement Menu 4 20 Trace Main Menu Trace Config Menu 4 24 l Display Options Menu 4 26 Display Main Menu Touch Screen Menu 4 26 Sweep Main Menu Sweep Menu 4 28 Trigger Main Menu Trigger Menu 4 30 Rear Panel Control Menu 4 32 Calibration Menu 4 32 l System Information Menu 4 32 System Main Menu Configuration Menu 4 33 Remote Control Menu 4 33 Service Menu 4 34 File Main Menu File Menu 4 35 MS278XB OM 4 1 Quick Reference Frequency Menu Amplitude Menu Bandwidth Menu Ya Amplitude Y Axis Options Trace Menu KV Trace Trace Config File Menu Figure 4 1 Graphical List of Menus 4 2 Front Panel Menus Display Menu MS278XB OM Front Panel Menus Quick Reference Table 4 2 List of Dialogs Dialog Page Occupied Bandwidth Setup Dialog 4 36 Channel Power Setup Dialog 4 37 Adjacent Channel Power ACP Setup Dialog 4 38 Multicarrier Channel Power Setup Dialog 4 40 VSA Modulation Parameters Setup Dialog 4 46
60. bar to scroll through the channel codes Table Name Enter the table name select a table to Open or use the last measured table EN pe When the Edit table is selected the table parameters below become available Code Q Spread Symbol Modulation Enter the Code Number select the Spreading Number Factor Rate Type Factor and note the Symbol Rate lo elete ew gt Choose the Modulation Type of Auto 16QAM or oe D QPSK is incompatible with T When the New Code button is selected the Nubar Spread Symbol Modulation Factor Rate Tyne incompatible code parameters become available Configure the code parameters as described above or select to delete a code Channel Table Test Models Channel Table TestModels The Channel Table Test Models dialog allows selection of one of eleven common WCDMA test Test Model 1 with Test Model 3 with Test Model 5 with models 16 DPCH 16 DPCH 2 HSPDSCH Test Model 1 with Test Model 3 with Test Model 5 with 32 DPCH 32 DPCH 4 HSPDSCH Test Model 1 with Test Model 4 with Test Model 5 with 64 DPCH CPICH 8 HSPDSCH Test Model 4 w o Test Model 2 CPICH Figure 4 23 Channel Table Dialogs MS278XB OM 4 55 Parameter Entry and Measurement Setup Dialog Archive Front Panel Menus Customize Tool Bar Dialog The Customize Tool Bar Dialog allows you to add and remove icons to suit your needs Customize Toolbar Available toolbar buttons Current toolbar buttons
61. below Marker Table Marker Freguency Amplitude Delta Ref Mkrl1CTrcl2 5 GHZ 0 00 dem MS278XB OM 9 13 Basic Measurement Setups Measurements Setting Trace Modes Signature can display up to five traces each using different trace modes and detectors Set up the various trace modes and detectors as follows 1 Press the Trace icon on the main menu bar or press the Trace key on the instrument front panel to display the Trace Config menu below E Trace Config A Trace Select E Tracel Trace Mode Clear Write Averaging Size 10 Restart Detector Inactive Traces Off 2 Press the Trace Select button and select the trace you wish to make active from the fly out menu Tracel Trace Traces Trace4 Traces Cancel Note By default Trace 1 is set to the active trace in the Clear Write state When a new trace is selected as the active trace the Trace 1 mode is set to Off Blank by default and is not displayed until a new mode is selected 5 14 MS278XB OM Measurements Basic Measurement Setups 3 Press the Trace Mode button and select a trace mode from the fly out menu below to turn the trace on Clear WWribe Max Hold Average Off Blank Note Refer to Displaying Trace Modes on page 5 26 for a detailed description of the trace modes MS278XB OM 5 15 Basic Measurement Setups Measurements 4 To change the detector for the currently active trace press
62. brief description of each Table 1 1 Signature s Available Options List Option Number Option Description Option 1 Rack Mount Adapter Option 1A olide Mount Adapter Option 3 GPIB Interface Option 22 30 MHz IF Bandwidth includes baseband differential amp Q inputs Option 30 WCDMA Modulation Analysis Option 38 QAM PSK modulation analysis requires Option 22 Option 40 MATLAB Connectivity Option 41 WiMAX Modulation Analysis Option 52 Phase Noise Measurements Option 98 Z540 150 Guide 25 Calibration Option 99 Premium Calibration ES5O0MMD Extends Warranty to 5 Years Table 1 2 Signature s Optional Accessories Part Number Optional Accessory Description 10410 00275 Signature MS278XB Maintenance Manual Hard Copy 1N50B Limiter DC Block N m to N f 50 W 1 MHz to 3 GHz 1N50C Limiter N m to N f 50 W 10 MHz to 18 GHz 42N50A 30 30 dB Attenuator 50 W N m to N f 12N50 75B 75 W Matching Pad DC to 3 GHz 50 W N m to 75 W N f 11N50B Power Divider 1 MHz to 3 GHz 50 W N f Input N f Output 2100 1 GPIB Cable 1M 2100 2 GPIB Cable 2M 70 28 Headset MS278XB OM 1 5 Preventive Maintenance General Information 1 3 Preventive Maintenance Routine maintenance that can be performed by the operator consists of cleaning the data display protecting the operating system and replacing a defective line fuse Cleaning the Touch Screen The touch screen 1s protected by a plastic display filter To clean the display filter dampen a
63. detection 1s used to ensure accurate readings for digital modulation with any amplitude statistics A correction is then applied to account for the noise bandwidth of the RBW filter along with the channel bandwidth and the number of data points The following is the equation used to calculate the Channel Power N CP 10 los e 1 gt 10 l Where CP Channel Power in dBm CHBW Channel bandwidth in kHz RBW Resolution bandwidth used for measurement in kHz kn RBW filter noise bandwidth correction factor kn NBW RBW N Number of data points within the channel Pi Level represented by data point 1 of the trace in dBm MS278XB OM 5 31 RF Measurements Measurements Rew 200 kHz ATT 10 dB YEW OFF REF 0 00 dBm ST 3 ms Single Trc1 Clearwrite RMS n S MNA Swept E Start 1 990000000 GHz Center 2 000000000 GHz Stop 2 010000000 GHz 2 000 MHz div Span 20 oooga MHz Channel Power Power 12 287 dBm Channel Bandwidth 5 MHz Figure 5 11 Channel Power Measurement 5 32 MS278XB OM Measurements RF Measurements Adjacent Channel Power Measurement Adjacent Channel Power ACP is a measure of the power that leaks into adjacent transmit channels The ACP measurement measures the power present in the transmit channel refer to Channel Power Measurement on page 5 31 along with the adjacent transmit channels that have been configured in the setup menu In this example display the channel bandw
64. e C Signature Bin Contains Instrument Binary Files e C Signature Dependencies Contains Calibration Data Initialization Files etc e C Signature Setup Contains Instrument Setup Files e C Signature External Applications Contains Executable Files for Option 41 WiMAX Modulation Analysis and Option 52 Phase Noise Measurements MS278XB OM 2 7 Configuration Preparation for Use Security Settings The following security related settings are configured in the instrument Internet Explorer Security Settings set to High Firewall set to On Encryption on File System set to Off Passwords are Enabled on all User Accounts Remote Access GPIB The default GPIB properties that are set in the factory are GPIB Address 1 Mode Talker Listener Note You can access the National Instruments GPIB Configuration dialog box directly from the System Menu in the instrument software for any changes to the GPIB settings See GPIB Setup on page 2 13 TCP IP All default TCP IP settings are used Note You can access the Windows XP TCP IP dialog box directly from the System menu in the instrument software for any changes to the TCP IP settings See LAN Setup on page 2 18 Remote Desktop Refer to the Remote Desktop section in Chapter 7 Computer Name The computer name is set to SNXXXXXX where XXXXXX is the Anritsu serial number for the instrument Third Party Software The following third party software is loaded onto the i
65. mouse ensure that the instrument 1s set to standby mode before connecting them to the rear panel When the MS278XB 1s set to Operate the keyboard and mouse should be automatically detected by the operating system and be ready for use To use any advanced features of your external keyboard and mouse follow the manufacturers installation instructions Note Advanced keyboard and mouse features may not be supported in the analyzer application but should function as expected in the Windows environment Connecting an External Monitor The external monitor interface 1s a standard 15 pin D type connector When connecting an external monitor ensure that the instrument 1s in standby mode and that the monitor is disconnected from its power source When the MS278XB is set to Operate the monitor should be automatically detected by the operating system and be ready for use Note You may wish to install the monitor s hardware driver that was provided by the manufacturer to enhance performance however this is not typically necessary Connecting an External Printer The external printer interface is a standard parallel connector Install your printer driver according to the manufacturer s directions Typically the hardware connection will need to be made with the analyzer in the standby or off mode to allow for proper initialization of the hardware during boot up of the operating system If you attempt to print while in the Signature applicatio
66. numeric keys When a new value is entered the terminator fly out will appear with the available units Press on the desired units to terminate the entry Range 0 dB to 62 dB Resolution 2 dB Default Auto Terminators dB or Cancel To toggle the internal RF attenuation mode between Manual or Auto press the Manual Auto button Scale Div The Scale Div parameter sets the number of units indicated for each major graticule division This parameter only applies if the Scale Type is set to Log otherwise the selection is grayed out To change the value press in the Vertical Scale parameter field and enter a new value using the numeric keys When a new value is entered the terminator fly out will appear with the available units Press on the desired units to terminate the entry Range 1 to 20 dB Resolution 1 dB 1 dB for 1 to 20 dB range Default 10 dB division Terminators dB or Cancel MS278XB OM Front Panel Menus Menu Archive Y Axis Options Menu The Y Axis Options menu lets you set the following parameters Table 4 6 Y Axis Options Menu Y Axis Options Scale Type Y Log Linear Units amp dem Reference Level Offset p dB Mixer Level 10 dBm MS278XB OM o Scale Type The Scale Type button is used to toggle the vertical scale type between Logarithmic or Linear scales The selected scale type is indicated with a check mark This option is not currently available and the Scale Type is fixe
67. o oo o o 4 33 Bandwidth in ACP Setup sss 4 39 Bandwidth in Channel Power Setup 4 37 Bandwidth in Multicarrier Channel Power Setup 4 42 BNC Connector Pinout sen 3 44 DESI ues isque E ERE te ANDES 4 46 Buttons Toggle soriano ici 3 23 C RD TERI aie 0 iene e ie EE wee etc i et 4 34 Calibrate Touch Screen leere 4 26 Calibration Messages iul wp xad A D ud EE eek 3 30 DUELO rr nior ue d 3 37 Calibration Menu 0 000000 eee 4 32 Capture Time in MATLAB Setup 4 58 Capture Time Modulation 4 46 01 MN 4 20 PU oss esa Salsa ad aderit 4 43 RDW A E II 4 43 A Woe ats baa i EE ENE E 4 43 Target Number of Samples 4 43 CD RW Drive da dba Ax o ds oe 3 10 Center Frequency 0 0000 eee mo 4 5 Center Frequency Setting o 5 2 CF Step SZE 22e 3k a a 4 6 Channel Bandwidth lesse 4 37 Channel BW in ACP Setup 4 38 Channel Power oooooocooooooo o 4 20 D3noWAdU D uuu ee Gana sera e ce ad ee 4 37 Symbol RAC siii is 4 37 Channel Power Setup ooo 4 37 Chips for Marker 4 14 4 15 Clear Write ooooooo momo moro 4 24 Client Software for Remote Desktop 7 2 Code SF for Markers 4 17 Command History us a a 6 4 Command Window cese 6 4 Configuration Menu
68. perform the same set of measurements as well as perform the following network measurements Conversion Loss Group Delay frequency translating devices e ntermodulation Distortion e 22d Order Intercept 3d Order Intercept 1 4 MS278XB OM General Information Product Description External Interfaces In addition to the visible front panel interfaces the MS278XB provides the following device interfaces e IEEEAS88 2 GPIB Connects the MS278XB to an external controller for remote programming This interface is detailed in the MS278XB Programming Manual Part Number 10410 00274 Printer Provides a connection for printers with Parallel Centronics interfaces XGA Output Provides an Extended Graphics Array connector for an external monitor e PS 2 Keyboard and Mouse Provides for the use of an external PS 2 keyboard and mouse e Ethernet Provides network interface and control of the MS278XB This interface is detailed in the MS278XB Programming Manual Part Number 10410 00274 USB Provides Type A USB ports on the front and rear panel to connect most USB compatible devices Identification Number All Anritsu instruments are assigned a unique six digit ID number such as 040101 This number is affixed to a decal on the rear panel of each unit In any correspondence with Anritsu customer service please use this number Options and Accessories Table 1 1 and Table 1 2 lists Signature s options and accessories with a
69. slide where you want to paste the 1mage 4 Press and hold the Ctrl key on the keyboard then press the V key to paste the 1mage 5 Resize and position the image by dragging the image and by using the 1mage handles 6 6 MS278XB OM Software Peripherals Microsoft Applications Exporting Trace Data Signature allows you to export numerical trace data for further analysis and processing by applications such as Excel and Access You can easily export trace data by doing the following Note You must first ensure that the trace you want to export is the active trace 1 Press the File key on Signature s front panel then press the Export button 2 When the Save As dialog box 1s displayed navigate to the directory where you want to store the trace data and enter a file name 3 Press the Save button to save the trace data Importing the Trace Data to Excel 1 Open Excel and select File Open FA Microsoft Excel Eookl Data Window Help Adobe PDF y Al Z Ckri4 M Lo 4 I ll E 0 00 B B5 n gg s View Insert Format Tools Ctro Close Ctri 5 Save Save As Save as Web Page Save Workspace Search Db Me e Mossie Figure 6 5 Opening a File in Excel 2 Navigate to the directory where you exported the trace data and select Files of type Text Files prn txt csv Open Xx Look in a e X E Tools s EJ History My Documents L Signatu
70. sweep time coupling mode is set to Speed the amplitude measurement accuracy is slightly degraded Amplitude accuracy specifications only apply to the Accy sweep time coupling mode MS278XB OM Basic Measurement Setups Measurements Setting Markers Markers can be used to measure the frequency and peak power values as follows 1 Press the Marker icon on the main menu bar or press the Marker key on the instrument front panel to display the Marker Select menu below Fr COHEN Marker Select A Active Marker Marker I Ir On v Normal Delta Marker 100 Hz All Markers Off 2 Press the Active Marker button and select the marker you wish to make active from the fly out menu Markeri Marker Marker3 Marker4 Markers Cancel 3 Press the Off On button to turn the marker on 4 To activate a delta marker you must first turn on Marker 1 as a reference then turn on any other marker and press the Normal Delta button The marker s value is displayed on the Marker Select menu at the top of the graticule display and near the actual marker on the trace 5 12 MS278XB OM Measurements Basic Measurement Setups 5 To activate the marker table select the Marker Config menu and press the Marker Table Off On toggle button Marker Config A i Markers trace Tracel Marker Table v Off On Marker Function amp Off The marker table is displayed under the graticule as shown
71. table or both In each case the absolute power in each active code 1s shown The graph types are set up using the Graph Type setup dialog shown below by pressing the button for the measurement you want Each tab also has a check box that 1s usually in the lower left corner that 1s an option to the measurement In the dialog shown the option is to include a Summary table showing the Code Domain Power and Error of the active codes to each of the selected graphs The buttons immediately switch to the graph type selected The check boxes are options for CPD overview WCDMA Graph Type ite ode Domain Code Domain Power Single Channel Code Domain Measurements Power or Error Vs Code Code Domain Code Domain Error Power Code Domain Code Domain Error Power with Zoom with Zoom Summary Y off Base Station User Equipment Downlink Uplink Figure 5 20 Code Domain Power Graph Selection Dialog One of the key measurements of the WCDMA signal is the power level of the pilot signal P CPICH This is the left most signal on the display in the following figures The table view makes the power level of any code very easy to see and markers allow for picking out individual codes from the graph MS278XB OM 5 43 Modulation Measurements Measurements The Code Domain Power graph shows the power in each code and allows a comparison to the total signal power in terms of absolute power Code Domain Power ATT 10 00 dB R
72. table with each measurement there 1s an optional Code Domain Power graph this helps the user visualize which code is being measured The summary table is still available but in this case 1t 1s a separate display rather than an option to the other displays One other difference 1s the Power vs Time display in this case instead of focusing on the detail of 1 slot the display shows the power level over a longer time frame up to 8 frames 120 slots total WCDMA Graph Type Measurements of One Code Channel Code to Graph 0 SF Vector Diagram Summary Code EVM vs Time Eye I Constellation Code Power vs Slot Magnitude Error vs Eye Q Diagram Overview Time y Phase Error vs Eye 0 amp Q View Cod iew Code Time Domain Power Channel Identifier Graph Y Y Off On ICh Qch Base Station User Equipment Y Downlink Uplink Figure 5 33 Code Domain Single Channel Graph Type Selection Dialog 5 56 MS278XB OM Measurements Modulation Measurements The following figure is an example of the single code measurements This is the Code Power vs Slot overview looking at 1 Frame 15 slots The optional Code Domain Power graph shows that the chosen code 65 at spreading factor 256 is an active code since it is highlighted in blue Two additional codes at the left are the pilot signal P CPICH and the control channels SCH P CCPCH which 1s necessary for automatic measurements The top graph shows that the power level of
73. the Detector button and select a new detector from the fly out menu below Normal Maximum Minimum Sample Average Note Refer to Displaying Detectors on page 5 25 for a more detailed description of the different detectors 5 16 MS278XB OM Measurements Basic Measurement Setups Configuring the Triggering Signature has a variety of trigger modes and configurations you can setup to help you display signals Configure the instrument triggering as follows 1 Press the Trig 1con on the main menu bar or press the Trigger key on the instrument front panel to display the Trigger menu below Trigger Trigger Source E Video Trigger Level 0 dem Slope Y Rising Falling Trigger Delay b ms 2 To change the trigger source press the Trigger Source button and select the trigger source from the fly out menu below Freerun IF Power Wide BEW External TTL External Cancel MS278XB OM 5 17 Basic Measurement Setups Measurements 3 Press in the Trigger Level parameter field and enter the trigger level using the keypad then select the appropriate terminator from the fly out menu below Cancel 4 Select the trigger slope by pressing the Rising Falling toggle button 5 To enter a trigger delay press in the Trigger Delay parameter field and enter a value using the keypad then select the appropriate terminator from the fly out menu below qe n 5 18 MS278XB OM Measurements
74. this code varies with time This 1s a simple example where the power varies in linear 5 dB steps from 0 dB relative to the maximum to 40 dB Note that the markers read out either relative to the total power shown here or in absolute values in dBm Note that the 2 key measurements of EVM for this code and Carrier Frequency Offset are shown at the top of the graph and that the scramble code is shown at the top of the CDP overview Note also that the CDP overview shows the power for the selected slot 1n the Setup dialog the default for this 1s slot 1 so the CDP for the selected code in the CDP overview is the same as the power in slot 1 of the upper graph Single Ch COP s Slot Code 65 SF 256 ATT 10 00 dB EWM 0 17 95 Mri G Slot Mkr2 14 Slot REF 0 00 dBm CarrierFregErr 9 40 Hz Trci 45 76 dB Trci 18 07 dB Single Normal Code 0 Center 2 000000000 GHz Code 255 lt code 88 25 Figure 5 34 Single Channel Code Power vs Slot Overview with Code Domain Power Display MS278XB OM 5 57 Modulation Measurements Measurements This single code example shows the 16QAM constellation of an HSDPA signal This 1s Test Model 5 with two high speed data channels The selected code 4 at Spreading Factor 16 is shown highlighted Note the buttons at the bottom of the screen that make 1t easy to move among the active codes Single Ch Constellation Code 4 5F 16 ATT 10 00 dB EVM 0 53 96 REF 0 00 dBm CarrierFregerr 407
75. work in conjunction with the main menu area and in some dialog boxes MS278XB OM 3 19 Graphical User Interface Overview Instrument Overview Figure 3 15 below illustrates the terminator fly out menus that you may encounter when entering data Power Terminator Frequency Terminator Time Terminator Enter Terminator WCDMA Channels Cancel Cancel Figure 3 15 Terminator Fly out Menus Figure 3 16 below illustrates most of the selection fly out menus that you may encounter when entering data RF Measurements Measurements Active Traces Active Markers Sweep Modes Spectrum Tracel Marker 1 Trace Marker QAM PSK Traces Marker FFT WideBand Channel Power Modulation WCDMA Trace4 Marker4 Modulator IMAR Markers Modulation Multcarrier Channel Power Tl Phase Noise Cancel Cancel Spectrum Masks Cancel Th Figure 3 16 Selection Fly out Menus 3 20 MS278XB OM Instrument Overview Graphical User Interface Overview Modulation Graphs CF Step Sizes Detector Types Trigger Sources Trace States Vector 1 10 Span Clear Write Freerurn Constellation 1 2 Span Meormal Mlax Hald Power Time Maximum Min Heald IF Power vvide BY Summary Center Minimum External TTL Average EWM Time Marker sample External Average Off Blank ovem NN LLL LLL Lu uiu i i LS meme eine ee Eve T Eye Q Cancel Cancel Cancel Cancel Cancel E Modulation Types I O Configurat
76. 0 1s Var ot cb ii a veta dile 5 40 WCDMA Measurements leer 5 42 Code Domain Power Measurement l l 5 43 Code Domain Error Measurement o o ooooooooo ss 5 48 OPSIMeasuremiefil adu aat a RS CE REO et a dts oc aes 5 50 Composite Measurement cusco o Ped PPP EET beens Eq 5 54 Single Code Measurement 0 ccc ee eee ees 5 56 Single Code with Compressed Mode Measurement lille 5 61 WCDMA Uplink Code Domain Power 0 0 0 ee eens 5 63 WCDMA Uplink Code Domain Single Channel 0 0000 cee eee eee 5 68 5 6 Operation VellicalO estaras kate el saree ee A ees eed o quo ee eat Be eee 5 71 Required Equipment dots aie do Gi Seats eed do Bik Save Bee A tee ah te ee ae 5 71 Reference Oscillator Aging Rate Optional llle 5 73 0 D vTE T 5 73 Test Procedures ac od m dd tu us a ac px E odia cud bs aa 5 74 Frequency Readout ACOGUIAGy c vx zou Ere A Roe be aie e C oa see es 5 75 Test SCID oralidad E De e ESAE OE b se ei p B Doa iade 5 75 Test ROCES sra cacas din Dd arat ino et ee eae ee teehee 5 75 Frequency Span Accuracy lisse eee hrs 5 77 Test Sell 2 2 42225 us y ds uio Seo X Vica amp dale o ee 5 77 Test Proce OG Lio dedit ed t diede Pede dede etn Dae e Oeo E bd det de uit 5 77 Swept Resolution Bandwidth llle 5 79 Test SCD sexier EEUU 5 79 TestiProce Ut a DIR ee nae Gee end ede 5 79 Single Sideband Phase Noise
77. 00000000 GHz OFFSET stop 1 000150000 GHz 30 000 kHe div Span 300 000 kHz SWEPT Displaying Trace Modes MS278XB OM Measurements Measurement Examples Measuring Phase Noise The following example shows a basic measurement of a 1 GHz carrier s 100 kHz phase noise using markers 1 Preset the analyzer using the Preset button 2 On the analyzer set up the following Center Frequency 1 GHz Span 1 MHz RBW 1 kHz Sweep Time 30 seconds On the System Configuration menu set the Optimize Phase Noise to Manual and set gt 85 kHz On the Trace Config menu set the Trace 1 detector to Maximum Press the Mkr gt Pk icon and then the Pk gt RL icon On the Trace Config menu select Trace 2 as the active trace Trace Mode to Clear Write and then set its detector to RMS 7 On the Marker menu select Marker 2 as the active marker set its Marker Function as a Delta Marker on Trace 2 and then set its frequency to 100 kHz o o amp 0 8 On the Marker Config menu set Marker 2 as a Noise Marker 9 Read the delta marker value from the top of the graticule The display should look like the one in the figure below REV 10 kHz ATT 10 dB vB 10 MHz Miri 1000 000000 MHz AMkr2 100 000 kHz Tree 117 71 dBc Hz Trci Clearvrite Maximum 3 Trc2 ClearvWrite RMG 50 P r0 Swept a gt ca vu m a 5 a n NOA Start 2999 500000 MHz Center 1000000000 GHz stop 1 000500000 GHz
78. 00Hz ISAT 255 Trace Number 1 ET Trace Made Clearvvrite E Detector Mode Normal i dBm Max Min 84 7841 101 151 92 5613 99 5456 3 99 5224 101 45 Figure 6 10 Signature Data Imported Into Access Note Frequency information must be calculated by using the center frequency and frequency span information along with the number of samples 501 MS278XB OM 6 9 Chapter 7 Remote Operation 7 1 Introduction Remote Operation 1s comprised of one of three methods e GPIB Control e Web Services Control Remote Desktop The primary functions of GPIB and Web Services are documented in the MS2781B programming manual part number 10410 00274 Refer to Chapter 2 for information about the GPIB Setup and LAN Setup The remainder of this chapter will focus on configuring and using the Remote Desktop client provided by Microsoft Other applications such as PCAnywhere can be used in similar fashion but are not covered by this document Refer to that product s documentation for details on its installation and use 7 2 Remote Desktop With the Remote Desktop feature in Windows XP Professional you can remotely control the Anritsu Signature Analyzer from another computer This allows you to use the data applications and network resources that are available to your analyzer without being at the lab To use Remote Desktop you need the following e Signature SPA VSA with Windows XP Profes
79. 110 01111001 01001111 01010000 00010100 00110101 10111101 11010000 0 71 5 0 173 k 27 311 k 0E 96 0 17 Hz 0 03 0 03 deg 1 00 11100011 11010110 01111011 00011000 11001011 00111001 01011101 OO010101 00111000 00110000 11100010 00001111 11011000 10111100 10100000 10101010 10111011 01100110 10100101 11101010 10100110 00011010 00101010 Center 2 000000000 GHz Amp Err Phase Err Power Amp Droop 11111010 11100111 10100111 10011010 OOLO0001 10010111 00101010 OOO00100 01101000 01111001 01010110 11100111 00010001 10000000 01101011 11111111 10101010 11100001 10101110 10011101 10100001 11110001 00010010 0 41 96 0 24 deg 2 44 0 00 dB Sym 11101001 01111100 11001100 01011101 01111111 10011010 11011100 11010101 10101110 11000011 11000001 01001000 01001111 01011111 00000111 00010100 11100001 OO000001 11100110 00011000 11011111 O0010001 10111010 10000100 O0001000 01000001 00100111 11011100 11110011 11010110 11111001 10110100 10011110 10100000 11101111 01010100 01110001 01010100 10100001 10000001 01000101 11111000 11101100 10101001 10001010 11110011 Measurements MS278XB OM Measurements Modulation Measurements Eye I or Q Graph of QPSK Modulated Test Signal EM 0 71 95 ATT 10 00 dB CarrierFreqErr 0 173 k REF 0 00 dBm Sym Rate 3 840 MHz SymbolRateErr 27 311 k Single O Sym Center 2 000000000 GHz 2 Sym Figure 5 17
80. 2 50M 25M 50M 20M 25M 10M 12 5M 5M 6 25M 2M 3 125M 1M 2M 800K 1M 400K 500K 200K 400K 150K 200K 80K 100K 40K Without Option 22 21 4M 10M 21 4M 5M 12 8M 3M 8 56M 2M 4 28M 1M 2 14M 500K 1 284M 300K 856K 200K 428K 100K Capture Time Sets the capture time Ranges from 2 us to 1 28 s depending on the sample rate bandwidth selection Sweep Mode Toggles between continuous or single sweep modes and starts a single sweep Sweep mode is disabled when handshaking is enabled Input Toggles between Wideband RF Input Narrowband RF Input Wideband Single I Q or Wideband Diff 1 Q Impedance Toggles between 50Q or 1MQ MATLAB Handshake Toggles the MATLAB handshaking on or off Handshaking allows you to know when Signature is finished making a measurement and can be useful for such things as storing or averaging multiple traces where you need to know when the trace data is new When handshaking is selected sweep mode is disabled In the MATLAB application the following script Signature Control StartSweep is used to initiate a sweep when handshaking is toggled On Note The connection to MATLAB can only be made when Option 40 is installed Option 40 comes with a trial version of MATLAB from The MathWorks that may need to be activated The full MATLAB software is not supplied with Signature and must be purchased separately Install MATLAB with any of its configurations and licensing option onto the C dri
81. 4 9 Marker Select Menu RF Measurements Marker Select Active Marker Marker i Off On v Normal Delta Marker 100 Hz All Markers Off Modulation Measurements Marker Select Active Marker amp Markeri t Off On j Mor mal Delta Marker 1 Syrn All Markers Off 1 I I2 A When in the Spectrum and RF measurement modes marker selections are made available as follows Active Marker To select the active marker press on the Active Marker field and select a marker from the fly out menu To turn the active marker on or off press the Off On button To set the active marker as a delta marker press the Normal Delta button Note that Marker 1 is used at the reference and must be turned on before any subsequent marker can be set as a delta marker Marker n Set the active marker s frequency by pressing in the Marker n parameter field where n is the active marker s number and entering a value using the numeric keys When a new value is entered the terminator fly out will appear with the available units Press on the desired units to terminate the entry The rotary knob or Up down arrow keys may also be used to increment the marker value The marker s value is displayed in the field below Marker n and on the graticule display All Markers Off Press the All Markers Off button to deactivate all of the markers When in the QAM PSK measurement mode the following marker select
82. 78XB OM General Information Preventive Maintenance Operating System Backup and Recovery Signature is configured with the Norton amp Ghost backup and recovery system This system can be accessed from the desktop Start menu or by double clicking the Ghost icon in the system tray ima You can configure Ghost to make system backups or recover previous backups through its backup and recovery dialogs below O Norton Ghost Norton Ghost Backup mme Recovery Backup Backup Recovery Recover My Computer Status Recover my computer to a specific time and day when it was working correctly Back Up Now Status Back up my computer by creating a new recovery point immediately or define a new backup schedule Recover My Files Using an existing recovery point recover specific files or folders that have been lost damaged changed or deleted Z Edit My Backup Schedules Edit backup schedules I have created or that were autornatically created for me Explore Recovery Points amp dvanced Explore the files and folders stored in an existing recovery point using Microsoft Explorer View Progress and Performance View a running backup s progress and adjust backup operation c Copy My Hard Drive Advanced When upgrading or adding a second hard drive copy all existing files programs and settings directly onto the new drive Optimize Recovery Point Storage Optimize the hard drive sp
83. 94 MS278XB OM Measurements Operation Verification Input related Spurious Response The following test can be used to verify that the MS2781B meets the Input related Spurious Response specifications Test Setup Connect the equipment as shown in the figure below 10 MHz Reference Input 10 MHz Reference Output OO OOO OO L1 LILILILILI OO OOO OO O 00000 OO OOO OO O 00000 OO OOO OO O LILILILILI Oo oooo oooooo o ac an HP8665B Signal Generator Adapter 3 dB Fixed 3 dB Fixed Attenuator Attenuator Coaxial Cable Figure 5 59 Equipment Setup for Input related Spurious Response Test Test 1 Aa QU N S3 QU S o N Procedure Turn on both the MS2781B Signal Analyzer and the HP 8665B Signal Generator and allow them to warm up for one hour Press the Preset key on the MS2781B to reset the instrument to factory default state Ensure that the MS2781B is set to use an External Reference set up the MS2781B as follows Frequency Span 610 kHz RBW 100 Hz VBW Auto Reference Level 10 dBm e Attenuation 0 dB Q O c DD f Detector Mode Maximum g Active Marker 1 On Set the frequency of the 8665B to the first source frequency setting listed in Table 5 14 Set the Center Frequency of the MS2781B to the corresponding center frequency setting listed in Table 5 14 Adjust the output power of the 8665B so that the MS2781B marker to peak reads close to 10 dBm
84. 95 ATT 10 00 dB CarrierFreqErr 0 173 k REF 0 00 dBm Sym Rate 3 840 MHz SymbolRateErr 27 311 k Single O Sym Center 2 000000000 GHz 1000 Sym 100 Sym Div Figure 5 15 EVM Time Graph of QPSK Modulated Test Signal MS278XB OM 5 37 Modulation Measurements summary Table of QPSK Modulated Test Signal Figure 5 16 Summary Table of QPSK Modulated Test Signal 5 38 Single ATT 10 00 dB REF 0 00 dBm EVM EVM Max EWMPeakPos El 95 MER 10111000 11111100 10111011 01101001 11111000 10011110 10101110 01101010 00110100 01010110 11111110 01101001 01111010 o0100001 11010101 01110101 01010001 00001101 11110111 11010100 10100001 10000101 11000011 Sym Rate 3 840 MHz 0 71 5 1 59 Y gs2 1 50 42 92 dB 10000000 10000100 10100001 oo000000 11101010 01010010 01001010 O0010100 11001000 10111001 11100011 10010010 11110101 00001110 O0001010 LIBIILII 00001010 01010011 10100011 11011011 00000101 01000011 01011011 EMT CarrierFregert SymbolRatecrr O Offset Freq Err I O Imbalance Quad Err Rho 01001000 11100001 00010000 01100001 11001000 00111011 01011111 OOL100101 11011010 10011011 10101101 11010101 10000111 10110100 11111011 11110010 10100101 10000000 10110111 01110111 01110100 01000100 01110110 01101110 01110011 01011101 10100111 01111000 10110111 11110001 01100101 10111100 10110110 11010010 01000001 11100011 01110000 11110101 11010
85. 95 REF 0 00 dBm CarrierFregerr 10 90 Hz 33 Single x 10 2 Center 2 140000000 GHz 10 2 Code Damain Power Scramble Code Primary 0 Code 0 Center 2 140000000 GHz Code 255 Figure 5 39 Single Channel Compressed Mode Constellation with CDP Overview 5 62 MS278XB OM Measurements Modulation Measurements WCDMA Uplink Code Domain Power The Code Domain Power CDP measurement for Uplink measures the CDP for each code channel for each Orthogonal Variable Spreading Factor OVSF code There are four graph type options for this measurement Code Domain Power Code Domain Power with Zoom Code Domain Error Code Domain Error with Zoom The measurement graph type can be selected from the WCDMA Graph Type dialog as shown in Figure 5 40 WCDMA Graph Type Composite Code Domain Code Domain Single Channel Code Domain Measurements Power or Error vs Code Code Domain Code Domain Error Power Code Domain Code Domain Error Power with Zoom with Zoom Summary Base station User Equipment Y Downlink Uplink Figure 5 40 Code Domain Power Setup Screen In WCDMA Uplink there are the DPCCH and DPDCH channels In a HSUPA signal there are DPCCH DPDCH HS DPCCH E DPCCH and E DPDCH channels In the CDP display different types of channels are identified with different colors Figure 5 41 shows a Code Domain Power graph The measuring signal is HSUPATest2SF2 and it consists of two SF2 E DPDCH channel
86. Access and create a new database 2 Select File Get External Data Import EX Microsoft Access Edit Window 1 Mew CEN View Insert Tools Help TE Ea ye gt Open Cho Get External Data d E Import Close Link Tables sign v Figure 6 8 Importing Data Into Access 6 8 MS278XB OM Software Peripherals Microsoft Applications 3 Navigate to the directory where you exported the trace data and select Files of type Text Files txt csv tab asc Import i x Look in Ca New de gt e X Tools TraceData csv Favorites eR Femme Tracedatacw i My Nebwork Places Files of type Text Files Ext csv tab asc Cancel a HTML Documents html htm Lotus 1 2 3 005 wj Lotus 1 2 3 wk Outlook db Text Files bd t csv Fabr t asc Figure 6 9 Selecting the File Type in Access 4 Follow the Import Text Wizard by choosing the Comma Delimited format and continuing to set the remaining options to your preference EZ Microsoft Access Tracebata Table EJ File Edit view Insert Format Records Tools Window Help t E eR A 7 X Rn I 8L L HR Field Field2 Field3 n Instrument Model Signature Mode SPA al Center Freq 100MHz E span Freq 20kHz Start Freq 99 9902 MHz Stop Freg 100 01MHz E Reference Level dBEm RF Attenuation 10dB RBW 200Hz YEW S
87. Base Station User Equipment Y Downlink Uplink Figure 4 21 WCDMA Setup Dialog 4 52 Front Panel Menus Scrambling Code Manually sets the modulation scrambling code or selects Auto Scramble Code Type Selects between long and short Scramble Code for Compressed Channel Select between Ordinary Left Alternate or Right Alternate Display Compressed Mode Signals Select Off Auto Mode Selection or Manual Spread Factor Select the spreading factor of 4 8 16 32 64 128 or Max Spread Factor must select Manual Compressed Mode for this option Active Code Channels Select between Auto Test Models or Manually Entered refer to the Channel Table Dialogs on page 4 55 Active Channel Threshold Enter the active channel threshold in dB Range 50 dB to 10 dB Hesolution 1 dB Default 33 dB IQ Display Rotation Select the IQ display rotation of O degrees or 45 degrees Max Spread Factor Select the maximum spreading factor of 256 or 512 Sync Reference Select the synchronizing reference of DPCCH or Manual Transmit Diversity Select Off Antenna1 or Antenna2 Transmit Diversity Type Select between STTD On or STTD Off Active Channel Mode Selection Select between compressed or normal mode Base Station User Equipment Uplink or Downlink MS278XB OM Front Panel Menus Parameter Entry and Measurement Setup Dialog Archive Demodulation Config 2 Tab WCDMA Setup Modula
88. CDMA Graph Type esee 4 48 WCDMA Measurement Type 4 21 WOBMA Sets asume uid uoi wg dea 4 51 Wide Band Sweep 0 00 eee ees 4 28 Wideband Diff I Q 4 47 Wideband RF oscar iaa tan 4 47 Wideband Single I Q 4 47 WiMAX Measurements 4 20 4 21 4 22 WiMAX Measurement Type 4 22 WAZA a 2 RTT TT TERT TIT TEE 3 25 WMWOPBRSDUICO Su uat a a dol 6 4 X NL usata a A ae ee 4 36 Y Y axis Options Menu eese 4 9 Index 7 UNITED STATES ANRITSU COMPANY 490 Jarvis Drive Morgan Hill CA 95037 2809 Telephone 1 800 ANRITSU FAX 408 776 1744 ANRITSU COMPANY 10 New Maple Ave Unit 305 Pine Brook NJ 07058 Telephone 1 800 ANRITSU FAX 201 575 0092 ANRITSU COMPANY 1155 E Collins Blvd Richardson TX 75081 Telephone 1 800 ANRITSU FAX 972 671 1877 AUSTRALIA ANRITSU PTY LTD Unit 21 270 Ferntree Gully Road Notting Hill Victoria 3168 Australia Telephone 03 9558 8177 FAX 03 9558 8255 BRAZIL ANRITSU Eletr nica Ltda Praca Amadeu Amaral 27 1 andar Bela Vista S o Paulo SP Brasil CEP 01327 010 Telephone 55 11 3283 2511 Fax 55 11 3288 6940 CANADA ANRITSU INSTRUMENTS LTD 700 Silver Seven Road Suite 120 Kanata Ontario K2V 1C3 Telephone 613 591 2003 FAX 613 591 1006 Anritsu Customer Service Centers FRANCE ANRITSU U S A 9 Avenue du Quebec Zone de Courtaboeuf 91951 Le
89. DARW recorria tda d Met aes 3 10 Ejecting Manually 3 10 Drop down Selection Menus 3 24 DADO us uL putt ads Ace diets ate etat odes 3 10 E Editing Spectrum Mask 4 44 Patty o data iria ita adas 3 25 Index 2 Error ra SS ou 4 32 Ethernet Au 12 20 asa ocho ERU db ERE 3 42 Connector Pinout 3 46 EVM Time Graph Type 4 21 Example Measurements 5 19 A 32s ma ud n abuses arua utet 6 7 Exhaust Gr a dic Ce ee oed or Er So s 3 99 Export Data C 4 35 Exporting Lrace Data oes ee hago d Y ER RES Seda 6 7 External IF Input e EC 3 41 External Tie er 2 d aud ewes arate ddan X 4 30 External TT THSPOrT uae ceo AA 4 30 Eye I Graph Type eese 4 21 Eye Q Graph Type o o oo momo o 4 21 F Factor RRO y its 236 a as ia 4 37 4 39 FFT in ACP Measurement 4 39 in Channel Power Measurement 4 3 7 in Multicarrier Channel Power Measurement 4 42 Sweep Mode eee 4 28 Wide Band Sweep Mode 4 28 File S E A ACD a ta ST 4 35 Drop down Menu eese 3 13 deu ina eco 3 7 NI a a LP RM M eT 4 35 Eee suicida a a aus eoa de aia 4 35 Filter JUDICIS IS ets iate aicut d dub ated aos 4 33 Filter Type Modulation 4 46 Fiter RRO euo s tere A de revo wae 4 42 PUT sata caer Bee and cera te es do a 4 46 Fly out Menus Lis
90. EF 0 00 dm Scramble Code Primary 262143 10 A E E ooi E E E n ET E E EA E E O o SI 1 Ee E gt Code 0 Center 2 140000000 GHz Code 255 Figure 5 21 Code Domain Power for Test Model 5 44 MS278XB OM Measurements Modulation Measurements The following CDP display 1s with the summary table view active The table can be scrolled by using the scroll buttons on the right side of the table Code Domain Power Mkre Code SF256 ATT 16 00 dB COP 11 dB REF 5 00 dBm Scramble CodeiPrimary 3FFFF Code 0 Center 2 000000000 GHz Code 255 Type Spread Factor CDP Abs CDP Rel Figure 5 22 Code Domain Power for Test Model 5 with Summary Table MS278XB OM 5 45 Modulation Measurements Measurements The following CDP display 1s with the zoom view active The zoom view can be scrolled by using the scroll buttons on the bottom of the graph Code Domain Power Mkri Code 2 SF128 ATT 10 00 dB COP 10 dB REF 0 00 dBm Scramble CoderPrimary 0 Center 2 DOCU GHz Code 255 ICDP Zoom Code 0 Code 15 ded Figure 5 23 Code Domain Power for a Test Model with Zoom 5 46 MS278XB OM Measurements Modulation Measurements The following CDP display is with both the zoom and summary table views active The views can be scrolled by using the scroll buttons next to each of the graphs Code Domain Power Mkri Code Dgms
91. EI Peak us dd 4 17 Next Peak ta a EAS 4 17 RES MIRE A ARS 4 17 E A E O E mM ecd 4 18 Uplink Branch 2c REX 4 16 4 17 Markers Setting lees 5 12 Nath Works sisas rs rea sl dose Read 6 1 MATLAB Capture iio a e dut 4 58 CONMeCCIING aras ESAS 6 2 Connection Description 6 1 A fcc ato ere hat Balen Ae ae hel erant a 6 4 Ir PET 4 57 Handshake ces es eb eh ES RSE 4 57 4 58 AUC VIN us dete ag ed ew hee t oci iret 6 2 Sample abe o sod doa xb ed eU ma 4 58 sending IQ Data 4 58 WIS TU DECR RR ae ees ee ea en 4 57 Sweep Mode 00 0000 cee 4 58 IVS TOU Chios ates Ser tee eae ea oe er I 4 24 Maximum Detector o 4 24 Measure Menu ees 4 19 Measurement Do capa oe en eee od 3 6 INLET x74 ated Soden ah Sd at Bina da et a p eg 4 20 Setup Dialogs did 3 24 Measurement Data PROVING ani a a ech du ae Cus 4 35 IDEO ue bose O EE nk Seat ae 4 35 Measurement Standard 4 20 4 21 Measurement Type Phase Nobo correr onda 4 22 POR ii aan da 4 21 OAM Sa uu oa he RA adn 4 21 j aut ro io AS 4 20 SA aer rud RD Ed ue qud rads 4 20 WODMA 2 taie cor e nd db da 4 21 WINA AS AA CPP 4 22 Measurements Baste DobuS 42455 dee DS E dU Hd 5 1 Examples dnd aW RR Scuba 5 19 Modulation 4 20 4 21 4 22 Phase Noise 4 20 4 21 4 22 OANDPSIS tati iia 4 20 4 21 4 22 ES nda ys 4 20 4 21 4 22 SDectr li asd px UR 4 20 4 21 4 22
92. Fcl3 1 004 GHz 9 95 dem Mkr2tTrcl3 2 006 GHz 55 14 dB Mkrl Mkr3f Tral 3 014 GHz 55 82 dB Mkrl Figure 5 2 Measuring Harmonics MS278XB OM 5 21 Measurement Examples Displaying Wide Band FFT Mode The following example shows a modulated 1 GHz signal in the wide band FFT mode 1 Preset the analyzer using the Preset button 2 On the analyzer set the center frequency to 1 GHz 3 From the Sweep menu set the Sweep Mode to FFT Wide Band The display should look like the one in the figure below REW 100 kHz ATT 22 dB Br 500 kHz Mri 1000500000 GHz REF 10 00 dBm ST 15 ms Trci Trci Clearwrite Normal 20 FFT WB Start 285 000000 MHz Center 1000000000 GHz Stop 1 015000000 GHz 3 000 MHz div Span 30 000000 MHz Figure 5 3 Displaying Wide Band FFT Mode 5 22 Measurements MS278XB OM Measurements Measurement Examples Displaying Narrow Band FFT Mode The following example shows a modulated 1 GHz signal in the narrow band FFT mode 1 Preset the analyzer using the Preset button 2 On the analyzer set the center frequency to 1 GHz 3 From the Sweep menu set the Sweep Mode to FFT The display should look like the one in the figure below REA 20 kHz ATT 20 dB VEA 100 kHz Mri 1000500000 GHz REF 10 00 dBm LLEERLLLL AAA a OOO AAA BO 0 AAA AO D O A MARA e AAA AAA i i op Start 999 500000 MHz Center 1 DDDDDODOOU GHz stop 1000500000 GHz 0 100 MHz div Span 1 000000 MHz Figure 5 4 Displaying N
93. Front Panel Menus Parameter Entry and Measurement Setup Dialog Archive Channel Power Setup Dialog Channel Power measures the power and power spectral density in the channel bandwidth that you specify in the following dialogs Channel Power Tab Channel BW Sets the bandwidth over which the measurement is made This is typically larger than the actual signal Channel Power Setup bandwidth Range 1 Hz to 8 GHz in steps of 1 Hz Channel Width Method Default 5 MHz Integration Limits E TS pole Method Currently not available SM RRC Filter This is used to turn the root raised cosine filter RRC Filter RRC On or Off Y Rolloff Factor Sets the roll off factor for the measurement om RRC filter must be on acsi do Range 0 1 to 1 0 in steps of 0 01 Default 0 22 Bandwidth Symbol Rate Sets the symbol rate for the measurement RRC filter must be on Range 1 Hz to 8 GHz in steps of 1 Hz Default 3 84 MHz Advanced Tab Hz Toggles the result display between dBm or dBm Hz The measurement type must be set to Abs before the Hz can be toggled on Channel Power Setup Type Toggles between an absolute or relative measurement Ee E Noise Compensation When noise compensation is toggled Off On on a noise floor measurement is subtracted from the channel power Noise Compensation Y FFT Toggles between FFT or Swept modes Off on Start Time Sets the start of the measurement relative to a Start Time tri
94. Function Keys and Numeric Keys Major Function Keys The major function keys are located along the right edge of the front panel and are mapped to key functions of the instrument that are used most often These keys activate basic functional parameter setups and second level menus found on the GUI Each of the major function keys have default parameters associated with them The default parameter is available for adjustment via the increment keys or rotary knob after the function 1s activated The key becomes illuminated when it s function 1s active The following list describes each of the key s functionality Frequency Frequency Use this key for accessing the frequency menus The frequency menus allow you to set the center start and stop frequencies frequency span frequency step Amplitude size and frequency offset The default parameter is the center frequency Amplitude Use this key for accessing the amplitude menus The amplitude menus allow you to set the reference level attenuation parameters graticule scaling and units parameters and the level offset The default parameter is the reference level Bandwidth Bandwidth Use this key for accessing the bandwidth menus The bandwidth menus 2 allow you to set the resolution and video bandwidths sweep time and bandwidth coupling factors The default parameter is the resolution bandwidth Marker Marker Use this key for accessing the marker menus The marker menus allow
95. Hack VOUT installations airsan pe itte d Dee SE eu oe ERI HR RC e SNR Te eR qe dn s 2 3 2 0 Power Om Procedure ii s lr Xe Rx ena EXEqeTesnEC teed dee Fa dnd ig 2 5 ASTUMEN ote s ae ede red a da es 2 5 Walim UD Mes crac taba ed TT TITLE 2 5 Inistr rment onmutdO WE reata sne a a do 2 6 MS278XB OM Table of Contents Continued 2 QOontdgufatoD attend de brad deme dd bie detta nd 2 6 O o A arbi cance e rod edad Ens idt B Pe SEEN RE Edda 2 6 WitidoWs XP CONQUE usos rd den an Ba Sead are RP D ott eun pod ia wen Per be VE uoa 34 2 7 User Installed Applications and Data llllllllllllllelennn 2 7 Desktop Properties 5s zs py bey ROS Ca Eee dx xe aime ac e Y dca 2 7 User ACCOUNIS 454 ida eta usta ater hts ad ine are Roo ded rescate b acsi I ine nte d 2 7 Directory SUctllle ud eS AAN uU P RUN EE 2 7 SECUN Oel i Siue racistes tod o enc dE di Bed a 2 8 Remote ACCESS oa accade ferat pcenas de fei Rr qu de Waa a week Bos ra dt ada 2 8 COmpuler Name ss is acd bote ee Rb tad E bale A d ee queda aper erae ek 2 8 Third Pany Sol Wale cesarob e A SLE Reso But o Ave 2 8 Hard Disk CODIIQUEaHOEi s 31s d oranes aic odd uos eee E Bd pU E E Ea PE E VE I 2 8 Analyzer CGONIQUIA ION aua aun a c ote S raa oido xe adig et utet mo ed 2 9 Installing ODLIOFIS cotas cad ER TOP ESSE PUN a Ux e Esai iua PEE eda 2 10 Customizing The TOO Batir dades eere E boi 2 11 2 8 Remote Interface Setup ooooooocnccnoor nn 2 12 GPIB SelUD e
96. LAB Toggles the MATLAB connectivity on or off Select MATLAB Script to Run Opens a dialog to select a MATLAB script Type MATLAB Script Sends the MATLAB script to run Run Runs the MATLAB scripts above Script Results Returns the results from the executed MATLAB scripts MATLAB Handshake Toggles the MATLAB handshaking on or off Handshaking allows you to know when Signature is finished making a measurement and can be useful for such things as storing or averaging multiple traces where you need to know when the trace data is new 4 57 Parameter Entry and Measurement Setup Dialog Archive Front Panel Menus Advanced Tab MATLAB Setup Basic Advanced Send To MATLAB IQ Data Sample Rate S s Band Width Hz SOM 25M gt Capture Time Sweep Mode Continous Single Sweep Input Wideband Diff 1 0 Impedance MATLAB Handshake Y Of On Signature Control StartSweep Starts Sweep from MATLAB Close Figure 4 26 MATLAB Setup Dialog Send To MATLAB IQ Data Toggles the IQ Data vectors on or off and enables the transfer configurations below The IQ vectors from Signature give you the most freedom to make complex measurements such as FFTs or demodulation and allow larger data sets When IQ Data is selected Signature does not display trace data and the MATLAB Setup dialog must be left open Sample Rate S s BandWidth Hz Selects the following Sample Rate and Bandwidth S s Hz With Option 2
97. M 9 MS278XB OM Front Panel Menus Parameter Entry and Measurement Setup Dialog Archive Adj Channel Toggles the adjacent channel On or Off Adj Channel Width Sets the adjacent channel width Range 1 Hz to 8 GHz Default 5 MHz Adj Alt Channels Tab Adj Channel Spacing Sets the adjacent channel Spacing Multicarrier Channel Power Setup Transmit JAdj Alt ACP Advanced Range 1 Hz to 8 GHz Channels Channels Reference Default 10 MHz Adj Channel Adj Channel Width Adj Channel Spacing Alt1 Channel Toggles the first alternate channel SMe fioMe On or Off Off Alt1 Channel Width Sets the first alternate Alti Channel Alti Channel Width Alti Channel Spacing channel width 5 MHz 10 MHz Range 1 Hz to 8 GHz Str Default 5 MHz Alt2 Channel Alt Channel Width Alt Channel Spacing Alt1 Channel Spacing Sets the first alternate 5 MHz 10 MHz channel spacing Off Range 1 Hz to 8 GHz Default 10 MHz Alt2 Channel Toggles the second alternate channel On or Off Alt2 Channel Width Sets the second alternate channel width Range 1 Hz to 8 GHz Default 5 MHz Alt2 Channel Spacing Sets the second alternate channel spacing Range 1 Hz to 8 GHz Default 10 MHz Figure 4 16 Multicarrier Channel Power Setup Dialog MS278XB OM 4 41 Front Panel Menus Parameter Entry and Measurement Setup Dialog Archive ACP Reference Tab Multicarrier Channel Power Setup Ady Alt ACP Advanced Channel Reference ACP Ref
98. Measurement Examples 5 3 Measurement Examples The examples in this section give a simple step by step instruction on how to set up the MS278XB to perform the measurement and show a final screen shot of the measurement result The following example measurements are shown e Measuring a CW Carrier Measuring Harmonics Displaying Wide Band FFT Mode Displaying Narrow Band FFT Mode e Measuring a Pulse in the Time Domain Displaying Trace Modes Displaying Detectors e Measuring Phase Noise It is assumed that you have read the previous section Basic Measurement Setups and are familiar with the instrument s menus and measurement setup procedures Note All RF measurements apply only to the active trace MS278XB OM 5 19 Measurement Examples Measurements Measuring a CW Carrier The following example shows a basic measurement of a 0 dBm 5 GHz carrier using markers 1 Preset the analyzer using the Preset button 2 On the analyzer set up the following Center Frequency 5 GHz Span 20 kHz RBW 200 Hz In the Auto Coupling menu toggle the Sweep Time Coupling to Accy 9 4 Select Marker 1 as the active marker and toggle it on then toggle the Marker Table on 5 Press the Mkr gt Pk icon to send the marker to the signal peak 6 Read the frequency and amplitude value from the marker table at the bottom of the graticule The display should look like the one in the figure below REA 200 Hz ATT 10 dB VB 1 kHz
99. Measurement Setups Setting the Frequency Span The frequency span 1s set such that the graticule display shows the entire span from the left edge of the graticule to the right edge of the graticule 1 Press the Freq 1con on the main menu bar or press the Frequency key on the instrument front panel to display the Frequency menu below F 1 Frequencies A Center 2 Hz Span 2 MHz Span Presets Start 1 999 GHz Stop 2 001 GHz 2 Press in the Span parameter field and use the keypad to enter the desired frequency span then select the appropriate frequency terminator from the fly out menu WCDMA Channels Note When the Center frequency and frequency Span are entered the Start and Stop frequencies are automatically determined MS278XB OM 5 3 Basic Measurement Setups Measurements Setting the Start and Stop Frequencies The start frequency is set at the left side of the graticule display and the stop frequency 1s set at the right side of the graticule display 1 Press the Freq icon on the main menu bar or press the Frequency key on the instrument front panel to display the Frequency menu below F Frequencies Center 2 GHz Span 2 MHz amp Span Presets Start 1 999 GHz Stop 2 001 GHz 2 Press in the Start parameter field and use the keypad to enter the desired start frequency then select the appropriate frequency terminator from the fly out m
100. Microsoft PowerPoint 6 2 Signature MathWorks Connectivity Option 40 only This section describes the general connection and use of the capabilities of Anritsu s MS2781B Signal Analyzer Signature and The MathWorks MATLAB software products provided with Option 40 Anritsu has published an application note Custom Measurements and Analysis using MATLABO on Signature which offers an in depth discussion on using Signature and MATLAB for advanced measurement analysis Signature MathWorks Connectivity Description Signature can output setup data active trace data of any measurement and I Q vectors to MathWork s MATLAB to enable you to do your own measurements and data analysis To control the interaction between Signature and MATLAB in the Signature GUI you can choose a MATLAB script to run control the synchronization between the two environments and hold all of the instrument settings so they do not change during a MATLAB processing session Integrated MathWorks Computational Components The MathWorks computational components and MathWorks application software along with the Signature System Software define a complete system The Signature system interfaces with the MathWorks application tools to provide measurement and parameter data Given that the computational components are user definable 1t follows that there is a pre defined protocol used to exchange data between the Signature System Software and the MathWorks application environme
101. Mouse and Keyboard Connector Pinout Diagram Data signals from mouse or keyboard VCC 5 volts 500 mA Clock Sent data clock Not used Oo O1 AeA GW N MS278XB OM 3 45 Rear Panel and Connector Diagrams Instrument Overview Table 3 15 Index 19 8 pin Ethernet RJ45 Connector Pinout Diagram N Cod 010 Y 00 Pin Name Description 1 Transmit data gt 3 volts 2 Transmit data lt 3 volts 3 Receive data lt 3 volts 4 EN Not used common mode termination 5 EN Not used common mode termination 6 RX Receive data 3 volts 7 EN Not used common mode termination 8 Im Not used common mode termination Table 3 16 Index 20 4 pin USB Type A Connector Pinout Diagram PIN Name Description 1 5 volts 500 mA 3 Data output 4 GND Ground 3 46 MS278XB OM Chapter 4 Front Panel Menus 4 1 Introduction This chapter provides a comprehensive collection of annotated front panel menus and displays Each illustration is accompanied with a description that includes information on how to use the functions available in that particular display Additional navigation options and techniques may also be provided however this chapter does not provide measurement concepts For details on making measurements refer to Chapter 5 4 2 Quick Reference This section contains a comprehensive list of menus with references to the page where a full description can be found Table 4 1 contains a list of main menus
102. Mri 5 000000000 GHz REF 0 00 dBm ST 38 Trci 0 00 dBm 1i 0 0 dam 3 Troi Clearwrite Normal 50 70 90 Start 4 999990000 GHz Center S 000000000 GHz Stop 5 000010000 GHz 2 000 kHz div Span 20 000 kHz Marker Table Marker Frequency amplitude Delta Ret MkrlCTrFcl3 5 GHZ 0 00 dem Figure 5 1 Measuring a CW Carrier 5 20 MS278XB OM Measurements Measurement Examples Measuring Harmonics The following example shows a basic measurement of the second and third harmonic of a 10 dBm 1 GHz carrier using delta markers 1 Preset the analyzer using the Preset button 2 On the analyzer set up the following Center Frequency 2 GHz Span 3 GHz Reference Level 10 dBm RBW 30 kHz 3 Turn on Marker 1 and press the Mkr gt Pk icon then turn on the Marker Table 4 Turn on Marker 2 set it as a Delta Marker then press the Next Peak icon until the marker lands on the second harmonic 5 Turn on Marker 3 set it as a Delta Marker then press the Next Peak icon until the marker lands on the third harmonic The display should look like the one in the figure below RB SO kHz ATT 20 dB VEA 100 kHz Mri 1 004000000 GHz AMkr3 3014000000 GHz REF 10 00 dBm 175 Trci 9 95 dBm Trci 55 82 dB Single Trci Clearwrite Maximum Swept Start 500 000000 MHz Center 2 000000000 GHz Stop 3 500000000 GHz 0 300 GHz div Span 3 000000000 GHz Marker Table Marker Frequency amplitude Delta Ref MkrlCTr
103. NMENT IS SUBJECT TO RESTRICTIONS AS SET FORTH IN SUBPARAGRAPH COX 1YII OF THE RIGHTS IN TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 252 227 7013 OR SUBPARAGRAPHS C 1 AND 2 OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHTS AT 48 CFR 52 227 19 AS APPLICABLE MANUFACTURER IS ANRITSU COMPANY 490 JARVIS DRIVE MORGAN HILL CALIFORNIA 95037 2809 The Signature software is copyright O 2007 Anritsu Company All rights are reserved by all parties DECLARATION OF CONFORMITY Manufacturer s Name ANRITSU COMPANY Manufacturer s Address Microwave Measurements Division 490 Jarvis Drive Morgan Hill CA 95037 2809 USA declares that the product specified below Product Name Spectrum Analyzer Model Number MS2781B conforms to the requirement of EMC Directive 89 336 EEC as amended by Council Directive 92 31 EEC amp 93 68 EEC Low Voltage Directive 73 23 EEC as amended by Council directive 93 68 EEC Electromagnetic Compatibility EN61326 1 1997 A1 1998 A2 2001 A3 2003 Emissions EN55011 1998 A1 1999 A2 2002 Group 1 Class A Immunity EN 61000 4 2 1995 A1 1998 A2 2001 4kV CD 8kV AD EN 61000 4 3 2002 A1 2002 3V m EN 61000 4 4 2004 0 5kV SL 1kV PL EN 61000 4 5 1995 A1 2001 0 5kV L L 1kV L E EN 61000 4 6 1996 A1 2001 3V EN 61000 4 11 1994 A1 2001 100 20msec Electrical Safety Requirement Product Safety EN61010 1 2001 Eric McLean Corporate Quality Director Morgan Hill CA 5 Au6ust
104. PRODUCT is protected by copyright laws and international treaty provisions Therefore you must treat the SOFTWARE PRODUCT like any other copyrighted material except that you may make one copy of the SOFTWARE PRODUCT solely for backup or archival purposes You may not copy any printed materials accompanying the SOFTWARE PRODUCT 4 DESCRIPTION OF OTHER RIGHTS AND LIMITATIONS a Limitations on Reverse Engineering Decompilation and Disassembly You may not reverse engineer decompile or disassemble the SOFTWARE except and only to the extent that such activity is expressly permitted by applicable law notwithstanding this limitation b Rental You may not rent or lease the SOFTWARE PRODUCT c Software Transfer You may permanently transfer all of your rights under this EULA provided that you retain no copies you transfer all of the SOFTWARE PRODUCT including the Signature Signal Analyzer all component parts the media and printed materials any upgrades this EULA and if applicable the Certificate of Authenticity and the recipient agrees to the terms of this EULA d Termination Without prejudice to any other rights Anritsu may terminate this EULA if you fail to comply with the terms and conditions of this EULA In such event you must destroy all copies of the SOFTWARE PRODUCT 5 U S GOVERNMENT RESTRICTED RIGHTS THE SOFTWARE PRODUCT AND DOCUMENTATION ARE PROVIDED WITH RESTRICTED RIGHTS USE DUPLICATION OR DISCLOSURE BY THE GOVER
105. Pos Amp Err 0 83 P SCH Power 16 37 dBm Scramble Code Phase Err 0 36 deg S SCH Power 16 29 dBm Slot 1 CCE4 Slot 2 appa Slot 3 ALICE Slot 4 SEDA Slot 5 DFEF Slot 5 F CB Slot 7 FECA Slot 9 apEE Center 2 140000000 GHz Figure 3 30 Single Code Summary Table 3 32 MS278XB OM Instrument Overview Graphical User Interface Overview Signature can also display a variety of data combinations as shown in the following figures Composite Constellation Slot 1 ATT 14 00 dB REF 4 00 dBm 52 Center 2 140000000 GHz de EVM 0 76 96 I Offset 57 96 dB Total Power 5 28 dBm Max Composite EVI 2 00 o Freq Err 441 80 Hz SCH Power 15 24 dBm Peak CodeDomain Error 56 75 dB Amp Err 0 53 P SCH Power 18 22 dBm EvMPeakPos B5 Phase Err 0 31 deg S SCH Power 18 29 dBm Scramble Code O Rho 0 999930 Figure 3 31 Composite Constellation with Summary Table of Test Model 2 MS278XB OM 3 33 Graphical User Interface Overview Instrument Overview Code Domain Power Mkri Code 0 SF256 COP 9 99 dB Scramble CoderPrimaryh 262143 Code 0 Center 2 140000000 GHz Code 255 CDP Zoom Code 0 Code 15 Type Spread Factor CDP Abs CDP Rel Figure 3 32 Code Domain Power for Test Model 1 with Zoom and Summary Table For more detail about making modulation measurements and setting up the displays refer to the appropriate sections in Chapter 5
106. SO ES 3 99 Lig MT rc LPS 6 8 ACCESSONES co 8acd ieai doc Red Oque saws ede 1 5 ACP cot tiene hh ea dE SS 4 20 ACP Bandwidth ss daa ados 4 39 Active Marker 4 14 4 15 4 16 4 17 Adj Channel BW 446624445448 3464645025824 4 38 Adj Channel Spacing sss 4 38 Adjacent Channel wis dius 229p ow RR 4 38 Adjacent Channel Power Setup 4 38 Agr Exhaust Gil sarria rra 3 99 Alpha Numeric Entry 3 25 PUT UAC hanmiel Lec scan ad ah 4 38 Alti Channel BW ens 4 38 Alt1 Channel Spacing oooo o o o o 4 38 PLZ AONE riera raras 4 39 ATE2 Channel BW wis nicas aw obe sno v 4 39 Alt2 Channel Spacing oooo oo o 4 39 Amplitude EV A EA a 3 6 Amplitude Menu 002 4 7 4 8 Amplitude Units 44 644 012 REX ad 4 9 Anritsu Webster dud or x bab OE us 1 1 Anti alias Filter 345 9 tic xw 4 33 Applying Spectrum Mask 4 44 Attenuation PI 4 8 Mode scsi io ae ede Seg 4 8 Auto Coupling Menu 4 12 Auto Detector arrienda cisnes 4 24 AVOA PE ambas qup adus eS AES AE A 4 24 Average Detector 0c cee eee 4 24 MS278XB OM Averan nid O ete 4 24 Averaging Restart ios cR 4 24 B Bandwidth ICY Seebeck seb ed qe sd ot be ka Shes 3 6 IMGHU sec a wth ede dep ae eee ohare 4 10 Setting Coupling Modes 5 11 Bandwidth Menu eere 4 11 Bandwidth Offset o
107. Series MS278XB High Performance Signal Analyzer Operation Manual Software Version 4 xx Anritsu nritsu Company i Jarvis Drive Revision D Printed July 2007 Copyright 2007 Anritsu Company WARRANTY The Anritsu product s listed on the title page 1s are warranted against defects in materials and workmanship for three years from the date of shipment Anritsu s obligation covers repairing or replacing products which prove to be defective during the warranty period Buyers shall prepay transportation charges for equipment returned to Anritsu for warranty repairs Obligation is limited to the original purchaser Anritsu 1s not liable for consequential damages LIMITATION OF WARRANTY The foregoing warranty does not apply to Anritsu connectors that have failed due to normal wear Also the warranty does not apply to defects resulting from improper or inadequate maintenance by the Buyer unauthorized modification or misuse or operation outside of the environmental specifications of the product No other warranty is expressed or implied and the remedies provided herein are the Buyer s sole and exclusive remedies DISCLAIMER OF WARRANTY DISCLAIMER OF WARRANTIES TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW ANRITSU COMPANY AND ITS SUPPLIERS DISCLAIM ALL WARRANTIES EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WITH REGARD TO THE SOFTWARE PRODUCT
108. Setup for Frequency Response Test Test Procedure 1 Turn on the MS2781B Signal Analyzer Power Meter and the MG369XB Signal Generator and allow them to warm up for one hour Press the Preset key on the MS2781B to reset the instrument to factory default state Set the MS2781B to use External Reference signal Set the output frequency of the MG369XB to 50 MHz CW Set the output level of the MG369XB to 9 dBm Connect the attenuators to the power splitter as shown in Figure 5 55 Use a cable to link the MG369XB RF output to the 3 dB attenuator Connect a N male to N female Phase Matched adapter to the 10 dB attenuator Oo oO A co N 7 Zero and calibrate both power sensors 8 Connect a power sensor Input A to the power splitter and a power sensor Input B to the female end of the adapter MS278XB OM 5 87 Operation Verification Measurements 9 Adjust the MG369XB RF output so that the power meter input B reading is 10 dBm Record the corresponding power meter input A reading in Table 5 10 Note Set the Cal Factor on the power meter to match the frequency being measured 10 Repeat steps 7 and 8 for the other frequencies listed in Table 5 10 11 Disconnect the Phase Matched N male to N female adapter from the 10 dB attenuator and then connect a N male to N male Phase Matched adapter between the 10 dB pad and the MS2781B RF input 12 Set up the MS2781B as follows Center Frequency 50 MHz Span 300 kHz
109. T 10 00 cB CarrierFregerr 1129283 500 k REF 0 00 dam Sym Rate 12 500 MHz SymbolRateErr 2770 350 k n ADCOWD 15 l Triggered Single i bi W ll i LL 4 E Center 4 000000000 GHz QO Figure 3 28 Vector Signal Analysis Graticule 3 30 i i MUT na Mkr1 10 Sym Trci 1 0 2074091 Q 0 2570 1 70344 MS278XB OM Instrument Overview Graphical User Interface Overview Table 3 7 Vector Signal Analysis Graticule Legend Index Description Input Status Indicates ADC overload and L O unlock Sweep Status Displays the sweep status of Triggered and Single sweep modes Trace Display Vector trace data is displayed in Yellow 4 Y axis Scale This scale shows the normalized and Q range when in the Vector Constellation Power vs Time and Eye graph types it shows percentage error when in the EVM graph type 5 X axis Scale This field shows the Symbols or Time Center Frequency Indicates the center frequency of the sweep If a frequency offset is set OFFSET is also displayed 7 Marker Information Displays the Symbol and and Q magnitude Error Data Displays the error vector magnitude carrier frequency error and symbol rate error 9 Symbol Rate Displays the current symbol rate Amplitude Setup The amplitude setup field displays the current attenuation level and reference level If the attenuation is set manually an asterisk is displayed The Summary graph type displays the pos
110. This delay is required to allow the internal power supplies to discharge and to assure a reliable cold start Once the BIOS setup utility 1s entered changes can be made in the usual manner USB BIOS Legacy Support must remain disabled and the USB Host Controller must remain enabled Failure to preserve these setting may result in display malfunction Pressing F3 will load the BIOS Setup Defaults Pressing F4 will save the current settings including any changes that were made to BIOS and exit the BIOS setup utility 2 6 MS278XB OM Preparation for Use Configuration Windows XP Configuration This section describes the various aspects of the instrument outside of the main instrument software Signature application It specifically addresses the various configurations and properties of the open Windows XP environment that are set at the Factory Caution Changing some of the default Windows XP settings may cause a loss of instrument control or undesired instrument behavior Changing the Windows Regional and Language Options settings may cause unstable front panel operation These settings must be maintained as English United States as is set at the factory by default Several of the Windows XP settings primarily Desktop settings Folder options and Task Bar settings can be saved and recalled using the File and Settings Transfer Wizard in Windows XP migwiz exe accessed from the command line User Installed Applica
111. WIMAX aaa e ene wares 4 20 4 21 4 22 Index 4 Menu AMPLIAS sos d eco ind ra 4 7 4 8 AUTO COUDE 4 024 added acide ia 4 12 Bandwidth 424 wi eL ias 4 10 4 11 CADDESUOD is ioa oae ecd dade a 4 32 COMM ULATIONS euo doped educ d qe ES 4 33 Display aa traes das a d 4 25 Display ines 2a Ae aba d a 4 18 Display Option 232234 2 da ito n RC 4 26 DrGp dOWlb rienda d exce ae ae dedica 3 13 Drop down Selection Menus 3 24 Diles EL ER ETE E 3 13 4 35 Fly out Menu Description 3 19 Fly out Menus List of 3 20 Frequencies eee eee eee eee 4 5 PEQUE OS 24 045 apetece e we ain 4 4 POM UIP ANG oss ads iom hi hdc cat Ett 3 14 Graphical List or ela ts 3 19 4 2 jam 3 15 AA AA DROIT one cee ee eee P ETE 4 1 Main Menu Bar eee 9 17 MEG PON Xo Aa pte ceux edi e 4 13 Marker Config oo oo o o 4 18 Marker Select cua aes oe dn 4 14 Marker LO curra ku i ia ra 4 17 Mesura id a ici 4 19 Measurement cens 4 20 Parameter Entry less 3 24 Rear Panel Control 4 32 o sho ae Se Rute eua aded daa 4 1 Remote Control eese 4 38 wis Riu Gust RA ou a ate TA are ae 4 34 Step Size and Offset 4 6 Dammen ode uit a Lea au ica oe 3 19 WOOD A 4 27 4 28 DV Ste a A Bae A E 4 31 System Information 4 32 Terminator Menus List of 3 20 TOO zundada tud uada
112. ace being used for storing backups of my computer Norton G h ost 10 0 Norton G h ost 10 0 Figure 1 2 Norton Ghost Backup and Recovery Dialog Ghost backups are stored to a recovery partition D on the Signature hard drive In the event that the Signature operating system becomes corrupted or inoperable the instrument 1s shipped with a System Restore DVD that allows a complete system restoration To restore the system to the original factory configuration you will need to boot the instrument from the Norton Ghost CD and have the Signature System Restore DVD Caution Restoring the system software will remove all user data and programs from the instrument hard drive The instrument will be configured exactly as it was when it was shipped from the factory including the original option configuration Before starting the system recovery procedure back up all user data and ensure that installation files for any additional software or instrument options is available for reinstallation The Norton Ghost CD will load a menu and prompt you with installation instructions Follow the on screen instructions to reinstall the Signature operating system Note The recovery DVD is printed with the serial number of the instrument and the date when it was made Ensure that the proper recovery DVD is used when restoring the Signature system For more information about using Norton Ghost refer to its online Help which is accessed from th
113. actively sending or receiving messages data etc e Minimize cable lengths to achieve maximum data transfer rates 2 12 MS278XB OM Preparation for Use Remote Interface Setup GPIB Configuration Apply power to the MS278XB and allow the system to power up Once the software has finished loading and start up testing is complete the MS278XB is ready to be remotely controlled via the GPIB It is important to note that the MS278XB will not respond to GPIB commands until the system s software has been loaded The default GPIB address for the MS278XB is one 1 To change the default GPIB address do the following on the MS2781B 1 Access the System main menu by pressing the front panel System button and then expand the Configuration sub menu 2 Press the IO Config button and then select GPIB 6 Y System Configuration A GPIB IO Config Optimize Phase Noise OMA y A Manual Auto Offset vd Z10KHz 10KHz Ant Alias Filter Ort On 2nd IF Image Reject Y Of On Figure 2 12 MS278XB Configuration Sub menu MS278XB OM 2 13 Remote Interface Setup Preparation for Use This brings up the Measurement and Automation Explorer window below File Edit View Tools Help Cont iguration E My System Devices and Interfaces 5 as GPIBO PMC GPIB Software 3 Remote Systems Figure 2 13 National Instruments Measurement and Automation Explorer National Instruments Measurement amp A
114. actor of 4x 16x or 64x Base Station User Equipment Uplink or Downlink Format Select either Hex or Binary Sync to Pilot Bits Select synchronization On or Off Constellation Rotation Select 0 degrees 90 degrees 180 degrees or 270 degrees SCH Compensation Select the synchronizing channel compensation either On or Off PICH Compensation Select the pilot channel compensation either On or Off PICH Channel Number Enter the pilot channel number PICH Timing Offset Enter the pilot channel timing offset SCH Threshold Enter the SCH threshold Base Station User Equipment Uplink or Downlink 4 53 Parameter Entry and Measurement Setup Dialog Archive TPC Config Tab WCDMA Setup Measurements for Transmit Power Control shows Total Power vs Slot compares to expected value Time Range TPC Limit Check Step Size TPC Test Profile 1 Frames gt dB Y Off On Uniform Custom i Frames 0 Slots Averaging Time Slot Limits Command Pattern Custom Profile Name 666 7 uS Default Measurements for Random Access Channel RACH Capture Length RACH Analysis Length 50 mS 1067 uS Base Station User Equipment Downlink Uplink Figure 4 21 WCDMA Setup Dialog TPC Limit Edge Definition Dialog Front Panel Menus Time Range Enter the number of frames for the time range Averaging Time Slot Enter the average time per slot TPC Limit Check Select transmit power control limit check
115. aging count press on the Restart button Detector To change the detector type press on the Detector Type field and select one of the following detector types from the fly out menu Auto Auto is the default detector type and uses the Normal detector type except as follows RMS when Trace Mode is set to Average or Noise Markers are active Maximum when Trace Mode is set to Max Hold Minimum when Trace Mode is set to Min Hold Previous detector setting when Trace Mode is set to View Normal Combines maximum and minimum data values for the display point simulates an analog display Maximum Uses the maximum data value for the display point Minimum Uses the minimum data value for the display point Sample Uses the center data value for the display point Average Averages the log Power data for the display point RMS Averages the power data for the display point Inactive Traces Off To turn off the inactive traces press on the Inactive Traces Off button All of the traces not shown in the Trace Select field are turned off MS278XB OM Front Panel Menus Display Main Menu The Display main menu can be quickly accessed by using the Ctrl Shift S keyboard combination E Display Display Options Y Touch Screen Figure 4 8 Display Main Menu MS278XB OM The Display main menu lets you select the Taskbar View Desktop View Video Inversion Touch Screen Calibration Menu Archive 4 25 Menu Archive Front Pane
116. al 1 Volt max VSA I differential input for baseband l Q 500 or 1 MO Switchable unbalanced or differential 1 Volt max VSA Q differential input for baseband l Q 500 or 1 MO Switchable unbalanced or differential 1 Volt max 6 pin DIN BNC Female BNC Female SMA Female BNC Female BNC Female BNC Female BNC Female 3 41 Rear Panel and Connector Diagrams Table 3 9 18 19 20 21 22 23 24 3 42 MS278XB Rear Panel Index Legend Ethernet VSA Q differential input for baseband l Q 50 or 1 MO Switchable unbalanced or differential 1 Volt max 10BASE T 100BASE TX with LED indicators Depending on network connection and activity Amber LED indicates power Green LED indicates communication USB serial bus interface Version 2 0 Logic input for sweep control 10V to 10V 10 kQ Provides power for an external noise source 28V 2V 100 mA Software enabled Logic output for sweep control TTL active LOW when sweeping Output is currently not used Instrument Overview BNC Female 8 pin RJ45 USB 4 pin Type A BNC Female BNC Female BNC Female BNC Female MS278XB OM Instrument Overview Rear Panel and Connector Diagrams Table 3 10 Index 6 IEEE 488 2 GPIB Connector Pinout Diagram 14 16 18 20 22 24 EEE SS SS s 7 efr 2 4 6 8 10 12 Pin Description Data Input Output Bits are HIGH when the data is logical 0 and LOW when the
117. an industry standard Compact PCI based embedded PC The PC section handles all control data management display and user interface aspects of the instrument s operation In addition to the embedded PC two specialized modules play important roles in the instrument s operation The Digital IF Module employs a state of the art FPGA Field Programmable Gate Array to perform IF bandwidth filtering detection and data formatting as well as providing the heartbeat for the real time data acquisition circuitry The optional 30 MHz Wideband IF Module employs an advanced design analog to digital conversion circuit working in conjunction with an LSI based digital signal processing section to capture large contiguous samples of wideband I Q data for analysis These two modules pass data to the embedded PC for further processing display storage or transmission to external devices MS278XB OM 1 3 Product Description General Information Software Architecture The operating software of the Signature Signal Analyzer is based on the Microsoft Net platform and takes full advantage of the Windows XP Professional operating system All of the user interface constructs are based on the Windows model so that a new user who is familiar with Windows applications can learn to operate the instrument very quickly The fact that the Signature s main software is a Windows application also means that users can write their own programs in languages such as V
118. ansmitter but you want to measure the modulation quality anyway This 1s a common test for RF components for example These are called QPSK measurements as you would use a QPSK modulated signal generator as a source Component measurements are similar to QAM PSK measurements except they are at a WCDMA chip rate of 3 84 MHz Signature is capable of displaying Vector Diagram amp Constellation Power vs Time e EVM Magnitude Error Phase Error or all 3 vs Time e Eye Diagrams I Q or both Optional Summary table with any diagram e EVM RMS Peak Peak Location e Magnitude amp Phase Error Q Offset e Frequency Error The graph types are set up using the Graph Type setup dialog shown below by pressing the button for the measurement you want Each tab also has a check box that is usually in the lower left corner This 1s an option to the measurement In the dialog shown below the option 1s to include a Summary table to each of the selected graphs WCDMA Graph Type K Composite Code Domain Code Domain E Power Single Channel QPSK Measurements Uncoded for Component Measurements Vector Diagram Power vs Time EVM vs Time Eye D Constellation Magnitude Error vs Diagram Time usd Phase Error vs Time Eye 18 Q Summary All Errors vs Time Base Station User Equipment Downlink Uplink Figure 5 27 QPSK Graph Type Setup Dialog 5 50 MS278XB OM Measurements Modulation Measurements The
119. appropriate IP settings O Obtain an IP address automatically IP address Subnet mask Default gateway Use the following DNS server addresses Preferred DNS server Alternate DNS server Figure 2 27 General Internet Protocol TCP IP Properties 2 22 MS278XB OM Preparation for Use Remote Interface Setup 13 For additional setup configurations select Obtain an IP address automatically then select the Alternate Configuration tab Internet Protocol TCP IP Properties G MEDNUNG General Alternate Configuration IF this computer is used en more than one network enter the alternate IP settings below O Automatic private IP address IP address Subnet mask Default gateway Preferred ONS server Alternate DNS server Prefered WINS server Alternate WINS server Figure 2 28 Alternate Internet Protocol TCP IP Properties Note You may need to consult your network documentation or network administrator for assistance in manually configuring your network setup MS278XB OM 2 23 Connecting External Devices Preparation for Use 2 9 Connecting External Devices Signature offers a variety of external device interfaces that facilitate ease of operation and enhance the usability of the instrument Connecting an External Keyboard or Mouse The external keyboard and mouse interfaces use standard PS 2 type connectors When connecting either a PS 2 keyboard or
120. ard combination File View Front Panel Tools Help Customize ToolBar MATLAB Instrument Options Figure 3 11 Tools Drop down Menus Customize ToolBar This menu selection opens the Configure Toolbar dialog Refer to Customize Tool Bar Dialog on page 4 56 for information about configuring the tool bar MATLAB This menu selection opens the MATLAB dialog Refer to Signature MathWorks Connectivity Description on page 6 1 for information about using MATLAB Instrument Options This menu selection opens the Options dialog which displays the options list and indicates which options are installed Refer to Analyzer Configuration on page 2 9 for information about installing new options Help The Help drop down menu provides access to the Signature Help System system updates technical support and the About Anritsu Signature dialog The Help drop down menu can be quickly accessed using the Alt H keyboard combination File View Front Panel Tools Contents and Index Documentation Anritsu Web About Anritsu Signature Figure 3 12 Help Drop down Menus Contents and Index This menu selection provides quick access to the navigation pane of the Signature Help System This navigation pane also provides a text based search feature to help you find information within the Help system Documentation This menu selection opens Windows Explorer to the directory where product support documentation can be found An
121. arrow Band FFT Mode MS278XB OM 9 23 Measurement Examples Measurements Measuring a Pulse in the Time Domain The following example shows a triggered measurement of a pulsed 1 GHz signal in zero span mode 1 Preset the analyzer using the Preset button 2 On the analyzer set up the following Center Frequency 1 GHz Span 0 Hz Reference Level 10 dBm 3 On the Bandwidth menu set the sweep time to be twice the pulse width of the signal In this case it 1s set to 0 2 ms to measure a 0 1 ms pulse width 4 On the Trigger menu set the trigger source to Video enter a trigger level of C20 dBm and ensure that Rising edge triggering 1s selected The display should look like the one in the figure below REW 3 MHz ATT 20 dB VEAM 3 MHz Mkri 1 000000000 ms REF 10 00 dBm ST O ms Trc1 i MA bol de Normal 0 50 ZERO SPAM nn Start 1 00000 0000 GHz Center 1 0000 00000 GHz stop 1 Q00000000 GHz 0 0200 mes civ Span O Hz Figure 5 5 Measuring a Pulse in the Time Domain 5 24 MS278XB OM Measurements Measurement Examples Displaying Detectors The following example shows an example of a 1 GHz carrier using the Average RMS Minimum and Maximum detectors 1 Preset the analyzer using the Preset button set the center frequency to 1 GHz and the span to 300 kHz On the Trace Config menu set the Trace 1 detector to Average select Trace 3 as the active trace and set 1t s detector to Minimum 2 9 4 Selec
122. as shown in the figure below 10 MHz Reference Output 10 MHz Reference Input e c c e e e Pa SS eS SS a MS278X Signal Analyzer i es MG369XB Signal Generator Adapter Coaxial Cable Figure 5 57 Equipment Setup for Resolution Bandwidth Switching Uncertainty Test Test Procedure 1 Set up the instruments as shown in Figure 5 57 Turn on both the MS2781B Signal Analyzer and the MG369XB Signal Generator and allow them to warm up for one hour 2 Press the Preset key on the MS2781B to reset the instrument to factory default state 3 Set the output level of the MG369XB to 0 dBm 4 Set the output frequency of the MG369XB to 100 MHz CW 5 Set up the MS2781B as follows a Center Frequency 100 MHz b Reference Level 0 dBm c Attenuation Auto d VBW Auto e Sweep Time Auto f Sweep Time Coupling Accy set the RBW to 30 kHz and the frequency Span to 10 kHz on the MS2781B Set the MS2781B to Single Sweep mode and press the Sweep button on the Sweep menu Turn on Marker 1 and set Marker to Peak e on D Record the marker level readout value on the display in Table 5 12 10 Set the RBW and frequency span on the MS2781B to the first settings in Table 5 12 11 Press the Sweep button on the Sweep menu on the MS2781B 12 Set the Marker to Peak MS278XB OM 5 91 Operation Verification Measurements 13 Record the new marker level readout value on the display to the corresponding cell in Table 5 12 14
123. asurement Types Standard OBW Measures the occupied bandwidth of the signal Generic TOI Measures the third order intercept of the signal Channel Power Measures the channel power of the signal ACP Measures the adjacent channel power of the signal Measure Multicarrier Channel Power Measures the channel power of up to 12 carriers OBW along with the adjacent and two alternate channel powers CCDF Displays the Complementary Cumulative Distribution Function CCDF curves and summary detail Spectrum Masks Displays the spectrum mask lines and verifies spectral compliance in a summary Setup Setup Opens the RF Parameters Setup dialogs listed below Occupied Bandwidth Setup Dialog on page 4 36 Channel Power Setup Dialog on page 4 37 Adjacent Channel Power ACP Setup Dialog on page 4 38 Multicarrier Channel Power Setup Dialog on page 4 40 CCDF Setup Dialog on page 4 43 Spectrum Mask Setup Dialog on page 4 44 4 2 MS278XB OM e Front Panel Menus Menu Archive Table 4 13 Measurement Menu QAM PSK Measurement Type Measurement Measurement Type m d PSK Modulation amp WEDIMA Un t z m eu OM is Graph Type Vector Setup il WCDMA A Measurement Type Measurement Measurement Type WCDMA x Modulation Generic Graph Type Setup Ln bi gt a D d MS278XB OM QAM PSK Measurement Type To change the measurement type pre
124. available or requires additional support such as hardware 1t will be indicated as such MS278XB OM 2 9 Configuration Preparation for Use Installing Options To install an Option you will need to contact Anritsu customer service to obtain an installation key Once the key has been obtained you can install an option by pressing the Install Now button on the Options menu Pressing the Install Now button will open the OptionsWiz dialog below OptionsWiz B x About Enter Option Code below IN Help Back Hex gt Cancel Figure 2 7 OptionsWiz Dialog Enter your key in the Options Code parameter field and press Next If the key you entered is validated you will be informed of a successful installation in the dialog below OptionsWiz j 1 El x About ou have successfully installed the selected option To close this Wizard click Finish Back Finish Cancel Help Figure 2 8 OptionsWiz Dialog 2 10 MS278XB OM Preparation for Use Configuration If the key 1s not validated or there are additional requirements to install the option you will be notified with a description of the additional requirements in a dialog similar to that shown below TE Options Wiz Bl x About The Option Code entered is invalid Please try again Enter Option Code below ee Back Next gt Cancel Figure 2 9 OptionsWiz Dialog For further assistance with insta
125. ayed using the following colors Trace 1 Yellow Trace 2 Green Trace 3 Cyan Trace 4 Magenta Trace 5 Red Marker Display Markers are annotated with the absolute power level next to the marker location Marker Display Markers are annotated with the absolute power level next to the marker location Display Line A display line may be displayed at any desired level Active Marker Field The active marker number frequency and amplitude values are displayed in this field The trace that has received the marker is indicated in brackets If the Marker is a Delta Marker the delta symbol D precedes the Mkr number and the values displayed are relative to the reference marker Reference Marker Field The reference marker number frequency and amplitude values are displayed in this field The displayed values are absolute in magnitude Bandwidth Setup The bandwidth setup field displays the current Resolution Bandwidth Video Bandwidth and Sweep Time settings If the settings are manually entered an asterisk is displayed Amplitude Setup The amplitude setup field displays the current attenuation level reference level and reference level offset If the attenuation is set manually an asterisk is displayed MS278XB OM 3 27 Graphical User Interface Overview Instrument Overview Data Displays The following figures Figure 3 22 to Figure 3 27 show the measurement tables that are displayed for the one button RF measurements Marker Tabl
126. been uc 3 15 Touch Screen eee eee eee 4 26 DLAC MT PPM 4 23 4 24 Trigseb puni od ciet bes 4 29 4 30 boo PET 3 13 VYraxis Opuons vu ud ehe CELER REESE 4 9 Menus Graphical List of 3 19 4 2 Message Log asin eed 3 13 4 32 Messages Calibration e osea eet oS Sea ROUE 3 95 UOTIS uos au Ss auth id e eges itur qo tag e MAS 3 35 NVA A eda ates m o erudi 3 95 Method of Channel Power 4 37 Nin Hold su saan bee in dida 4 24 Minimum Detector o oooooooo o 4 24 Minor Function Keys criteria 3 7 Miker Lieve liso cua arem EC ee Riu Bs EROS tah 4 9 Mode Sweep lee 4 28 MS278XB OM Modulation Capture me tirita EE E 4 46 POCO PHI node da ds ardeo a E 4 46 BOSE cb ox ES A ur Ra 4 46 LE Band dU erario dae dro es 4 47 Impedance prono apa dba 4 47 Input SOUTE vas tos ews tones ets 4 47 Measurements 4 20 4 21 4 22 Parameter Setup 00 eee 4 46 SA ETT IS CT E 4 46 WCDMA Graph Type 4 48 WCDMA Setup eese 4 51 Modulation Symbol Rate 4 46 Monitor Connector Pinout 3 45 Interface Connector o ooooo oo 3 40 Multicarrier Channel Power 4 20 Multicarrier Channel Power Bandwidth 4 42 Multicarrier Channel Power Setup 4 40 N Narrowband RE s vated bende RUPES 4 47 Noise Compensation eese eee 4 37 Noise Compensation in ACP Setup
127. ce Select To set the active trace press on the Trace Select button and select the active trace from the fly out menu When a trace is selected the current trace mode is Off unless it was previously defined Trace Config Trace Select Tracel Trace Mode Clear Write Averaging Size 10 Restart Detector g Auto Inactive Traces Off iL 4 24 Trace Mode To change the trace mode press on the Trace Mode button and select one of the following trace states from the fly out menu Clear Write This mode clears the trace as it writes new data Max Hold This mode writes new data that is greater than the previous sweeps Min Hold This mode writes new data that is less than the previous sweeps Average This mode averages the data for each display point View This mode displays the current trace value and does no further updating Off Blank This mode turns the trace display off Default Clear Write for Trace1 Blank for all others Averaging Averaging provides two methods of averaging depending on the detector that is selected For Sample amp RMS detectors the averaging is done on the linear power data before the log values are calculated for the display For Maximum Minimum and Average detectors the averaging is done on the log power data To change the number of averages press in the Averaging field and enter a new value Range 1 to 10000 Hesolution 1 Default 10 Restart To restart the aver
128. components 1 a Kg use an equipment cart There is a risk of back injury if this A CAUTION Warning Use two or more people to lift and move this equipment or equipment is lifted by one person HEAVY WEIGHT Caution Electrostatic Discharge ESD can damage the highly sensitive circuits in the instrument ESD is most likely to occur as test devices are being connected to or disconnected from the instrument s front and rear panel ports and connectors You can protect the instrument and test devices by wearing a static discharge wristband Alternatively you can ground yourself to discharge any static charge by touching the outer chassis of the grounded instrument before touching the instrument s front and rear panel ports and connectors Avoid touching the test port center conductors unless you are properly grounded and have eliminated the possibility of static discharge Repair of damage that is found to be caused by electrostatic discharge is not covered under warranty Safety 2 MS278XB OM Table of Contents Chapter 1 General Information i PNOOUT TANS IVAN P 1 1 ig td oe O c Uo g A a a ee ee 1 1 Associated Documenta lO sica Aenea wae a eae Rata AU eS P hares Oe 1 1 eene C badd eer kes wean cee eee neon heed a ac 1 1 lea Product DescaplON asta uentos eta aene Male ae Ro RURAL Rd ded o ais 1 2 RF ANAIOG ACI CUS soi capinera AA Sak Bia Al d wa 1 3 Digital ArCHNCCUNG cauce ue a ach doe
129. cused on WCDMA the symbol chip rate 1s fixed at 3 84 MHz A few additional displays compared to Option 38 are available as well including Magnitude Error vs Time and Phase Error vs Time One of the strongest features of the WCDMA measurement user interface 1s that you are rarely required to use the Setup menu In most cases when you connect a signal set the center frequency and amplitude correctly and select the WCDMA measurement you want Signature will provide a measurement result The rare exceptions include e When making QPSK measurements the signal must be QPSK 1t can not have multiple codes e Ifthe signal does not have a pilot P CPICH the channel requires manual synchronization e Ifthe signal does not have the synchronizing channel SCH the scrambling code needs to be manually entered e In addition there are a number of advanced measurements that are accessed from the Setup menu such as Compressed Mode displays Transmit Diversity and measuring other than the first slot or longer than one frame in the Single Channel Code Power vs Slot Overview Refer to WCDMA Setup Dialog on page 4 51 for information about setting up a WCDMA measurement 5 42 MS278XB OM Measurements Modulation Measurements Two key measurements for CDMA are the Code Domain Power CDP and Code Domain Error CDE Code Domain Power Measurement Signature can display the Code Domain Power with an optional zoom window or an optional summary
130. d to Log Units The Units button lets you select the amplitude units of dBm dBmV dBuV W or V To change the amplitude units press the Units button and select the new amplitude units on the fly out menu Reference Level Offset Level Offset is used to offset the reference level by the indicated amount To change the value press in the Level Offset parameter field and enter a new value with the numeric keys When a new value is entered the terminator fly out will appear with the available units Press on the desired units to terminate the entry Toggle the Level Offset On or Off by pressing the Off On button below the parameter field Range 300 dB to 300 dB Resolution 0 01 dB Default O dB Terminators dB Cancel Mixer Level The Mixer Level is used to calculate the attenuation value when the attenuation mode is set to Auto as follows Attenuation Level Reference Level Mixer Level 5 dBm is used as a limiting factor for the reference level when the attenuation mode is set to Manual The auto attenuation value is constrained to 10 dB to 62 dB The mixer level is disabled in the wideband FFT and the VSA modes Range 5 dBm to 50 dBm Resolution 1 dB Default 10 dBm The following unit terminators are supported when the appropriate amplitude units are selected dBm dBm dBmV dBmV dBuV dBuV W mW uW nW pW fW aW V mV uV nV pV 4 9 Menu Archive Front Panel Menus Bandwidth Main Menu T
131. des available in a single multi trace setup Easy to use customizable Microsoft Windows based User Interface Custom waveform and signal analysis using on board direct data linking to MATLAB and Simulink tools Control of external signal sources and other instruments via SCPI IEEEA88 2 and Web Services Remote Control via a Local Area Network or the Internet Ability to run user applications and device drivers on its embedded PC The advanced design of the Anritsu Signature Signal Analyzer features the following innovations RF analog architecture optimized for maximum dynamic range high accuracy and operation to 8 GHz in a single band Exclusive low conversion loss mixer technology Exclusive 2 dB per step impedance matched input attenuator Advanced design digital phase lock loop local oscillator technology for maximum stability and sweep speed with lowest phase noise and spurious signals Upgradeable open architecture for lowest total cost of ownership Field replaceable pre calibrated functional modules Digital FPGA technology for maximum performance and ease of upgrade Industry standard obsolescence proof Compact PCI digital modules Improved reliability through an advanced low ambient noise thermal management system MS278XB OM General Information Product Description RF Analog Architecture The RF analog architecture of the Signature Signal Analyzer is designed to maximize performance over a wide frequency and dynamic rang
132. e Note Do not confuse crystal aging with other short term frequency instabilities for example noise and temperature The internal time base of the instrument may not achieve its specified aging rate before the specified warm up time of 7 to 30 days has elapsed therefore this performance test is optional For the greatest absolute frequency accuracy allow the MS2781B to warm up until its output frequency has stabilized usually 7 to 30 days Once stabilized the change in reference oscillator frequency should remain within the aging rate 1f 1 the reference oscillator oven 1s not allowed to cool 2 the instrument orientation with respect to the earth s magnetic field 1s maintained 3 the instrument does not sustain any mechanical shock and 4 ambient temperature 1s held constant This test should be performed upon receipt of the instrument and again after a period of several days to weeks to fully qualify the aging rate Test Setup Connect the MS278XB rear panel 10 MHz Reference Out to the Symmetricom model 9390 9600 frequency standard rear panel BNC connector labeled J10 The frequency standard must be actively tracking at least three satellites and the oscillator should be stabilized locked the front panel TRACKING and LOCKED LEDs should be illuminated 10 MHz Reference Output 10 MHz Input J10 MS278XA Signal Analyzer Symmetricom Frequency Standard Figure 5 48 Equipment Setup for Internal Reference Osc
133. e Marker Freguency Amplitude Delta Ref Mkrl1CTrcl2 5 GHZ 0 00 dem Figure 3 22 Marker Table with Delta and Noise Marker Occupied Bandwidth DEW 4 2 MHz Power 99 96 26 dB BW 4 64 MHz Figure 3 23 Occupied Bandwidth Measurement Table Third Order Intercept Marker Frequency Amplitude TOI Mkr1l 2 0005 GHz 1 72 dem 31 99 dem Mkr2 1 9995 GHz 1 72 dem Mkr3 1 9985 GHz 58 82 dem Mkr4 2 0015 GHz 70 15 dBm Figure 3 24 Third Order Intercept Measurement Table Channel Power Power 12 287 dBm Channel Bandwidth 5 MHz Figure 3 25 Channel Power Measurement Table 3 28 MS278XB OM Instrument Overview Graphical User Interface Overview Adjacent Channel Power Tx Channel l DAET i SEO Bandwidth 5 MHz Adj Channel Upper 50 300 dBm Bandwidth 5 MHz Lower 60 875 dBm Spacing 5 MHz Figure 3 26 Adjacent Channel Power Measurement Table Multicarrier Power Channel Power Adjacent Channel 1 9 090 dem Upper 53 900 dB 2 9 200 dBm Lower 54 160 dB 3 9 190 dBm 4 9 200 dEm A1t1 Channel Upper 55 940 de Lower 56 130 de Figure 3 27 Multi Carrier Power Table MS278XB OM 3 29 Graphical User Interface Overview Vector Signal Analysis Graticule Displays Instrument Overview Figure 3 28 shows trace data while using the various modulation graph types indicated below Vector Graph Type EVM Time Graph Type Constellation Graph Type Power Time Graph Type Eye I Graph Type Eye Q Graph Type i EVM FAROL AT
134. e Signature s basic RF analog block diagram is shown in Figure 1 1 below a l 30 MHz BW TOU TUTO OE 9 5 GHz IF 1 1 GHz IF 75 MHz IF Digital IF Input X 9 9 C Optional Attenuator Digital IF First L O Second L O Third L O 9 5 to 17 5 GHz 8 4 GHz 1 025 GHz Figure 1 1 Basic Signature RF Analog Block Diagram The input signal from either the internal 50 MHz calibrator or the test port input 1s routed through the input attenuator and then to the first mixer where it 1s converted to the first IF frequency of 9 5 GHz This allows the entire range of 100 Hz to 8 GHz to be covered in a single band without the need for preselecting The signal is then down converted in the second mixer to 1 1 GHz The frequencies of both the first and second local oscillators can be adjusted to avoid any possible spurious response In the third mixer the signal 1s converted to 75 MHz While the system s pass bandwidth up to this point has been maintained at greater than 100 MHz the signal path 1s now routed to either a wideband 75 MHz IF section used exclusively for vector signal analysis or a lower bandwidth 10 7 MHz IF section used for spectrum analysis and low bandwidth signal analysis While there are prefilters in the RF analog section the task of shaping the IF bandwidth is left mainly to the digital section where advanced DSP technology can be used Digital Architecture The digital architecture of the Signature Signal Analyzer is built around
135. e 3 4 3 8 Numeric Keys Increment Up Down Use the increment up down keys to increment an active parameter up or down and to move an active marker to the next step The increment up down keys allow you to increment or decrement the active parameter in coarse discrete steps These steps usually follow the 1 2 9 5 convention These keys are mapped to the Page Up Page Down keys on a standard keyboard Rotary Knob The rotary knob functions much like the increment keys and can be used to adjust active parameters and move active markers The rotary knob allows you to increment or decrement the active parameters with a fine resolution The rotary knob is mapped to the up down arrow keys on a standard keyboard Preset Use this key to access the preset menu The preset menu allows you to preset all of the instrument parameters to factory defaults Esc Use this key to escape a function setup or parameter entry that has been initiated but is not desired 0 1 2 9 Use these keys for entering numerical values Use this key for changing a value s numerical sign Use this key for entering a decimal point Back Space Use this key for clearing an active entry Ener Enter Use this key for entering the data or executing a function MS278XB OM Instrument Overview Front Panel Overview Connectors The front panel connectors consist of the following Probe Power Port This port supplies power to your power probe Table 3
136. e 7 Save my password Connection settings E Save curent settings or open saved connection m x ETES A A EA Figure 7 4 Advanced Remote Desktop Connection Dialog Connection setting may also be saved and recalled by using the Save As and Open buttons Note A Remote Desktop file rdp file contains all of the information for a connection to a remote computer including the Options settings that were configured when the file was saved You can customize any number of rdp files including files for connecting to the same computer with different settings For example you can save a file that connects to MyComputer in full screen mode and another file that connects to the same computer in 800x600 screen size By default rdp files are saved in the My Documents Remote Desktops folder To edit an rdp file and change the connections settings it contains right click the file then click Edit Logging Off and Ending a Remote Desktop Session In the Remote Desktop Connection window click Start and then click Disconnect 7 4 MS278XB OM Appendix A Specifications Environmental Specifications The MS278XB environmental specifications are listed below Table A 1 MS278XB Environmental Specifications Storage Temperature Range 40 to 75 degrees Celsius Operating Temperature Range 0 to 50 degrees Celsius per MIL PRF 28800F Relative Humidity operational 5 to 95 per MIL PRF 28800F Altitude operationa
137. e Code Power vs Slot Overview In both graphs the CDP values are shown at the bottom of the display The Summary Code Domain Power and the Code Channel is selected in the WCDMA Graph Type dialog as shown in Figure 5 45 To enter a code channel first enter the channel identifier ICh or QCh then change the code number and the SF value Then press either Summary or Code Power vs Slot Overview WCDMA Graph Type Composite Code Domain Measurements of One Code Channel Code to Graph 2 Ep summary Code Power vs Slot Cvervievy View Code Domain Power Channel Identifier Graph Y Y Off Ich QCh Base station User Equipment Y Downlink Uplink Figure 5 45 Code Domain Single Channel Setup Screen 5 68 MS278XB OM Measurements Modulation Measurements The summary graph is shown in Figure 5 46 The top half of the display shows the detected data for each slot of the code channel When the I button 1s clicked the detected data for the programmed I channel is displayed When the Q button 1s pressed the detected data for the programmed Q channel 1s displayed Single Ch Uplink Summary Code 205F 4 1 ATT 10 00 dB Rho 0 02236 CDP dBm 28 02 REF 0 00 dem CDE dB 31 11 CDP dBy 16 22 Slot 2 1 F7EF D912 FDE3 Slot 2 aano 0000 agag OO00 JEAN pus Code 255 Figure 5 46 Code Domain Single Channel with Summary MS278XB OM 5 69 Modulation Measurements Measurements The Code Power vs Slot Overview
138. e External Internal toggle button Rear Panel Control A To set the external reference input frequency press in the Reference Frequency field REOR NES and enter a value using the numeric keys When a new value is entered the terminator y fly out will appear with the available units Press on the desired units to terminate the Se era iid Noise Source Power To toggle the noise source power on or off press on the Noise 10 MHZ oource Power Off On toggle button Nose Source Power v Of On Calibration Menu The Calibration menu lets you select and apply a calibration routine for specific hardware systems Table 4 20 Calibration Menu IF Cal The IF Cal button initiates an amplitude calibration of all possible IF paths to improve the amplitude accuracy Calibration IF Cal System Information Menu The System Information menu lets you view the message log Table 4 21 Calibration Menu Message Log The Message Log button opens the System Messages dialog box System Information A f Message Log 4 32 MS278XB OM Front Panel Menus Menu Archive Configuration Menu The Configuration menu lets you configure the IO optimize phase noise and select filtering Table 4 22 Configuration Menu IO Config The IO Config button lets you select the National Instruments GPIB configuration utility refer to GPIB Setup on page 2 12 for more information view the Configure instrument IP address
139. e enter key may be used Wess urea to quickly send the active marker to the trace peak Next Peak To send the marker to the next trace peak press on the Next Peak button Next Peak CF Mkr To change the center frequency to the current marker frequency value press on the CF Mkr button CF Mkr RL Mkr To change the reference level to the current marker value press on the RL Mkr button Ree Mkr gt Min To send the marker to the trace minimum press on the Mkr gt Min button Mkr gt Min dd MS278XB OM 4 17 Menu Archive Front Panel Menus Marker Config Menu The Marker Config menu lets you select the following Table 4 11 Marker Config Menu Marker Config A Marker gt Trace To select the trace that receives the marker press on the Marker On Trace field and select the trace from the fly out menu Marker 7 Trace Marker Table A marker table can be displayed at the bottom of the graticule To toggle the table on or off press on the Off On Marker Table button Marker Function The Marker Function activates Noise Markers refer to Measuring Mater Table Phase Noise on page 5 27 for information on phase noise measurements Y ed On Marker Function Off Display Lines Menu The Display Lines menu lets you display limit lines Table 4 12 Display Lines Menu Horizontal Line To set the level for a limit line press in the Horizontal Line parameter mE field and enter a value using the numeric keys Wh
140. e upper right corner of the dialogs or to the Norton Ghost user guide which 1s found on the Norton Ghost CD shipped with the instrument MS278XB OM 1 7 Preventive Maintenance General Information Replacing the Line Fuses The line fuses used in the MS278XB are 6 34 type T fuses The line fuse values are printed on the rear panel next to the power connector Always use a new fuse of the type and rating specified by the fuse markings on the rear panel of the instrument To replace the line fuses follow the procedure below Refer to Figure 1 3 below during the following steps 1 Set the MS278XB to standby mode using the power button and disconnect the power cord from the rear panel power receptacle 2 Using a small flat blade screwdriver carefully pry under the tab next to the rear panel power receptacle to open the fuse block cover and gain access to the fuse holder Slide out the fuse holder Replace the fuse 1n the fuse holder Install the fuse holder back into the rear panel fuse block o OU c Close the cover to secure the fuse holder in place The cover will close with an audible snap Figure 1 3 Replacing the Rear Panel Fuse 7 Reconnect the analyzer to the power source and set the MS278XB to Operate using the front panel power button Internal Battery The MS278XB has a Lithium battery installed on the CPU assembly Battery replacement should be referred to an authorized Anritsu service center T8
141. eatures in MATLAB Communications Blockset e RF Blockset x amp Signal Processing Blockset If You Are Using MATLAB for the First Time Support and Web Services At the heart of MATLAB is a new language that you must learn before you can fully exploit its power This isn t as hard as it might sound you can learn the basics of MATLAB very quickly You will be rewarded with high productivity high creativity computing power that will change the way you work If you are a first time user the best way to get started is to read thoroughly the Getting Started with MATLAB tutorial with MATLAB open so you can follow along The tutorial book comes with MATLAB and is available in PDF and for_ purchase on the MathWorks Web site lt Figure 6 4 MATLAB Online Help System MS278XB OM 6 5 Microsoft Applications Software Peripherals 6 3 Microsoft Applications Microsoft has many popular tools that are used for generating reports Signature allows you to export data to a variety of these tools such as e Microsoft Paint e Microsoft Word e Microsoft Excel e Microsoft Access e Microsoft PowerPoint Copying Graphical Screen Images The easiest way to import graphical data into most of these tools 1s to use the features already built into the Microsoft operating system namely the copy paste feature You can easily copy the current screen display to the clipboard then paste the image as a bitmap by doing the follo
142. ecify a name Far this connection to your workplace Type a name Far this connection in the following box Company Name Example Connection For example vau could type the name of your workplace or the name of a server you will connect bo Figure 2 22 New Connection Wizard 8 Enter the Host name or IP address for your network Hew Connection Wizard YPH Server Selection What is the name or address of the WPN server Type the host name or Internet Protocol IP address of the computer to which vou are connecting Host name ar IP address for example microsoft com or 157 54 0 1 157 54 0 1 Figure 2 23 New Connection Wizard 2 20 MS278XB OM Preparation for Use Remote Interface Setup 9 Select the connection availability of your choice and press Next Hew Connection Wizard Connection Availability You can make the new connection available to any user or only to yourself A connection that i created for pour use only is saved in pour user account and is not available unless you are logged on Create this connection for O Anyone s use Figure 2 24 New Connection Wizard 10 If you desire to have an Icon placed on the desktop check the box and press Finish to create your new connection Hew Connection Wizard Completing the New Connection e Wizard ou have successfully completed the steps needed to create the following connection Example Connection The connection will be sa
143. en a new value is entered the iS terminator fly out will appear with the available units The following unit terminators are supported when the appropriate amplitude units are selected Horizontal Line dBm dBm 1 dBm dBmV dBmV Y dBuV dBuV W mW uW nW pW fW aW V mV uV nV pV Press on the desired units to terminate the entry then toggle the limit line on by pressing on the Off On toggle button CO On 4 1 MS278XB OM 00 Front Panel Menus Menu Archive Measurement Main Menu The Measurement main menu can be quickly accessed by using the Ctrl Shift T keyboard combination The Measurement main menu lets you set the Lal iS Spectrum Measurement Type a RF Measurement Type Measurement QAM PSK Measurement Type WCDMA Measurement Type WiMAX Measurement Type Phase Noise Measurement Type Figure 4 6 Measurement Main Menu Note All RF measurements apply only to the active trace MS278XB OM 4 19 Menu Archive Front Panel Menus Measurement Menu The Measurement menu gives you access to setup various measurement types such as Spectrum RF and a variety of modulation measurements Table 4 13 Measurement Menu Spectrum Measurement Type To change the measurement type press on the Spectrum Measurement Type button and select one of the following measurement types from the Measurement Type fly out menu Measurement A Spectrum Selects the spectrum analysis mode frequency domain RF Se
144. enu WCDMA Channels 3 Repeat the previous step for the Stop frequency Note When the Start and Stop frequencies are entered the Center frequency and frequency Span are automatically determined 5 4 MS278XB OM Measurements Basic Measurement Setups Setting the Reference Level The reference level 1s set at the top of the graticule display Measurements can only be made on signal peaks that are below the reference level so it is important to determine the approximate level of the signal peak and appropriately set the reference level higher than the signals being measured 1 Press the Amp icon on the main menu bar or press the Amplitude key on the instrument front panel to display the Amplitude menu below Amplitude Reference Level n dBm Attenuation fio dB Y Manual Auto Scale Div 10 de 2 Press in the Reference Level parameter field and use the keypad to enter the desired reference level then select the appropriate amplitude terminator from the fly out menu Cancel MS278XB OM 5 5 Basic Measurement Setups Measurements Setting the Input Attenuation The input attenuation 1s set to bring the input signal down to an optimum level range below 30 dBm and to protect the input stage of the analyzer from damage The input attenuation can be selected between Manual or Auto The Auto attenuation settings are based on the internal mixer and reference levels currently set on the analyzer The Manua
145. equency Main Menu on page 4 4 The Amplitude icon opens the Amplitude Main Menu on page 4 7 The Bandwidth icon opens the Bandwidth Main Menu on page 4 10 The Marker icon opens the Marker Main Menu on page 4 13 The Mkrs Off icon turns off all of the markers Mers Off The Mkr gt Pk icon turns on the active marker if no active markers are on and sends the current active marker to the trace peak Mkr Pk The Pk gt CF icon turns on the active marker if no active markers are on sends the current active EN marker to the trace peak and changes the center frequency of the sweep to the trace peak frequency Pk CF value The Pk gt RL icon turns on the active marker if no active markers are on sends the current active va marker to the trace peak and changes the reference level of the graticule to the trace s peak Pk RL amplitude value The Next Peak icon turns on the active marker if no active markers are on and sends the current active marker to the trace peak or to the next trace peak if the active marker is already on B Next Peak The Measurement icon opens the Measurement Main Menu on page 4 19 e ES D MT uU The Trace icon opens the Trace Main Menu on page 4 23 E Trace MS278XB OM 3 17 Graphical User Interface Overview Table 3 5 Icon Sweep Pg Zero Span ey Last Span MATLAB 3 18 Instrument Overview Main Menu Bar Icon List Description
146. er Cord 60004 Restore Software DVD ROM 2000 1389 USB Optical Mouse 970 635 Blank CD R W Disk 631 73 opare Fuse Standard Document Set on CD ROM and installed in the instrument 10920 00048 Manuals CD ROM 10410 00273 MS278XB Operation Manual 10410 00274 MS278XB Programming Manual 10450 00002 Signature Online Help System 2 2 MS278XB OM Preparation for Use Assembly optional 2 5 Assembly optional Rack Mount Installation Instruments that are ordered from the factory with Option 1 Rack Mount should have the rack mount pre installed Option 1 may be ordered at a later time To install the Option 1 rack mount kit refer to the procedure below 1 Disconnect the line cord and any other attachments from the instrument 2 Carefully place the instrument on a secure and stable work surface 3 Using a Phillips screwdriver remove the two front panel handles and the four feet at the rear see Figure 2 1 Save the screws for later use Note The green headed screws have a metric thread and must be reused in the same locations from which they were removed Replacing these screws with different thread such as SAE threaded screws will damage the instrument chassis Figure 2 1 Instrument Handles and Feet Removal Diagram MS278XB OM 2 3 Assembly optional Preparation for Use 4 Install the rack mount slides over the threaded studs on the rack mount bracket and handle fixtures as shown in Figure 2 2 below and secure them in p
147. erence Channel Selection Mode Highest Power Channel o Advanced Tab Multicarrier Channel Power Setup Transmit Adj Alt ACP Channels Channels Reference REC Filter v On B Noise Compensation Roloff Factor Y 1 Off on Bandwidth Start Time 3 84 MHz Stop Time mmen Figure 4 16 Multicarrier Channel Power Setup Dialog 4 42 ACP Reference Channel Selection Mode Selects the adjacent channel power reference mode of Select Channel Highest Power Channel Lowest Power Channel Channel Enter the channel number for the reference channel 1 through 12 Range Integers from 1 to 12 Do not enter negative numbers Default 12 Hz Toggles the result display between dBm or dBm Hz The measurement type must be set to Abs before Hz can be toggled on Type Toggles between an absolute or relative measurement Noise Compensation When noise compensation is toggled on a noise floor measurement is subtracted from the channel power FFT Toggles between FFT or Swept modes Start Time Sets the start of the measurement relative to a triggered event currently not available Stop Time Sets the stop time of the measurement relative to a triggered event currently not available RRC Filter This is used to turn the root raised cosine filter RRC On or Off Rolloff Factor Sets the roll off factor for the measurement RRC filter must be on Range 0 1 to 1 0 in steps of
148. erview The MS2781B front panel 1s divided into two main areas the Graphical User Interface GUI and the key pad data entry area The following paragraphs provide a brief description of the front panel controls data display and data entry areas shown in Figure 3 1 on the following page Detailed descriptions of the data display and data entry areas are contained in Section 3 3 MS278XB OM 3 1 Front Panel Overview Instrument Overview 0 S9 wx QQ y e Y 9 Q9 RN Drop down Menu Area N bw AS Tool Ba O O O O N j ONO k 210 C C u Men dida dien pe 2n eic lo Status BarArea Y 423 C3 O 430 Q GO do Q d9 9 0 0 Figure 3 1 MS278XB Front Panel Drawing 3 2 MS278XB OM Instrument Overview Front Panel Overview Table 3 1 MS278XB Front Panel Legend m MS278XB OM Description Instrument Name Tag The instrument name plate indicates the model number and upper frequency of the instrument 1 8 Inch Headphone Jack The headphone jack is used to output audio and can be used with a standard headphone speaker with a 1 8 inch type mono or stereo plug Standby LED This LED illuminates orange when power is applied and the instrument is placed in standby mode Operate LED This LED illuminates green when power is applied and the instrument is placed in operate mode Numeric Keypad These keys are used for numerical entry and are listed as follows 0 1 2 3 4 5 6 7 8 9
149. eyboard Interface 3 41 PS 2 Mouse Interface eese 3 40 PS2 Connector Pinout 2222 3 4 da 3 45 PSK Measurement Type 4 21 Q AE ET EEE E E ada 3 41 3 42 QAM Measurement Type lesse 4 21 QAM PSK Graph Type eee 4 21 Measurements 4 20 4 21 4 22 o EEE EET TEST TETTE 4 46 R REW assai iced ected nated a e e baa es 4 11 RbWun cO DNE uu vues d Sade Gas 4 43 Rear Panel DEgWIBB tal o 3 38 o A A 3 39 Rear Panel Control Menu 4 32 Reference Frequency lees 4 32 Reference Input eere 3 41 Reference Level o o oo oooooo mom 4 8 Reference Level Offset 4 9 Reference Level Setting 5 5 Reference Output 0 0 00 0 0000000 3 41 Remote Control Menu sss 4 33 Remote Desktop Advanced Connections o 7 4 Description 4254 ee ee Nor uut edo ie es d 7 1 Masalin nuroa dabas a 7 2 Logging Off and Ending Session 7 4 A be dde fai det nbn iia 7 1 DLANE A A 7 3 Required Equipment for Verification 5 71 Resolution Bandwidth Setting 5 8 Restart Averaging eee 4 24 RE Narrowband sindicar dee eed 4 47 Wideband s 22 2 od obra o E E c vat 4 47 RE DUE 5 nds desit a ted nis hie sid 4 47 RE Taput POPU x a a Ai 3 9 RF Measurement Type 4 20 RF
150. following display is a constellation measurement along with the key summary measurements EVM IQ Offset Frequency Error Magnitude Error and Phase Error QPSK Constellation ATT 10 00 dB REF 0 00 dBm 3 TER Center 2 140000000 GHz ge IQ Offset 59 13 dB Amp Err 0 47 96 Max EVM Freg Err 430 5 Hz Phase Err 0 29 deg EVMPeakPos Figure 5 28 QPSK Constellation with Summary Table MS278XB OM 5 51 Modulation Measurements Measurements Signature can also show displays of multiple measurements at once such as this All Errors vs Time display This display simultaneously shows EVM Magnitude Error and Phase Error all versus time The display scale of EVM Magnitude Error and Phase Error can be set 1n the Demodulation Config 2 Tab in the WCDMA Setup dialog Refer to Figure 4 21 on page 4 51 for more information about the WCDMA Setup dialog QPSK EVM V s Time ATT 10 00 dB REF 0 00 dBm QPSK PhaseErr vs Time 180 a po apo 180 Chip 1 Center 2 140000000 GHz Chip 2304 Figure 5 29 All Errors Vs Time Display 5 52 MS278XB OM Measurements Modulation Measurements Eye diagrams are also available These can be of the I channel the Q channel or both at once as show here QPSK Eye 1 ATT 10 00 de Mkrl 1 Chip REF 0 00 dem Trci 1 00 QPSK Eye Q Trc1 0 01 Figure 5 30 QPSK Eye l and Eye Q Diagram MS278XB OM 9 93 Modulation Measurements Composite Measurement Measurements
151. frequency of the MG369XB to 50 MHz CW and output power to 70 dBm 5 Set up the MS2781B as follows e on D Center Frequency 50 MHz Span 300 kHz RBW 50 kHz VBW 500 Hz Sweep Time 100 ms Reference Level 70 dBm Attenuation 10 dB a 6 g p o n0 Trace Mode Average i Averaging Size 16 Turn on Marker 1 on the MS2781B and set Marker to Peak Record the amplitude readout value to the MS2781B Marker Reading column of Table 5 11 Set the Reference Level to 60 dBm Record the new marker value in the MS2781B Marker Reading column of Table 5 11 MS278XB OM 5 89 Operation Verification Measurements 10 Subtract the new reading from the marker reading at 70 dBm Reference Level setting 11 Verify that the deviation 1s within specifications 12 Repeat steps 8 to 12 for other Reference Level settings listed in Table 5 11 Table 5 11 Reference Level Switching Uncertainty Test Deviation from MS2781B MS2781B 70 dBm Reference Level Reference Level Setting Marker Reading dB Specifications 70 dBm N A 60 dBm 0 1 dB 50 dBm 0 1 dB 40 dBm 0 1 dB 30 dBm 0 1 dB 20 dBm 0 1 dB 10 dBm 0 1 dB 0 dBm 0 1 dB 5 90 MS278XB OM Measurements Operation Verification Resolution Bandwidth RBW Switching Uncertainty The following test can be used to verify that the MS2781B is within its RBW Switching uncertainty specifications Test Setup Connect the equipment
152. ge Rising edge is the default setting Trigger Delay To set the trigger delay press in the Trigger Delay parameter field and enter a value using the numeric keys When a new value is entered the terminator fly out will appear with the available units Press on the desired units to terminate the entry SPA Mode Range 0 ms to 65 5 ms current sweep time to 65 ms for zero span Resolution 0 1 ms 100 ns for zero span Default 0 ms FFT FFT WB Modes Range 0 ms to 65 ms Resolution 100 ns Default 0 ms VSA Mode Range 65 5 ms to 65 5 ms Resolution 10 ns Default 0 ms MS278XB OM Front Panel Menus Menu Archive System Main Menu The System main menu can be quickly accessed by using the Ctrl Shift G keyboard combination The System main menu lets you Set Up the Rear Panel I O LI System o Start an IF Calibration Rear Panel Control Y View the System Information Configure the System Hardware los x Toggle Between Local and Remote Operation Select Instrument Services System Information Configuration Remote Control E Service Figure 4 11 System Main Menu MS278XB OM 4 31 Menu Archive Front Panel Menus Rear Panel Control Menu The Rear Panel Control menu lets you configure the rear panel input output ports and toggle the noise source power On or Off Table 4 19 Rear Panel Control Menu Reference Frequency To toggle between an internal or external reference input press 3 on th
153. ggered event currently not available Stop Time Sets the stop time of the measurement relative to a triggered event currently not available Stop Time Figure 4 14 Channel Power Setup Dialog MS278XB OM 4 37 Parameter Entry and Measurement Setup Dialog Archive Front Panel Menus Adjacent Channel Power ACP Setup Dialog Adjacent Channel Power ACP is a measure of the power that leaks into adjacent transmit channels ACP measures the power present in the adjacent transmit channels and can be set up as follows Channel Width Sets the channel bandwidth Range 1 Hz to 8 GHz ACP Tab 1 of 2 Default 5 MHz ACP Setup El Adjacent Channel Toggles the adjacent channel ACP Advanced measurement off or on Channel Width Adj Channel Width Sets the bandwidth of the Integration Limits adjacent channel 5 MHz Range 1 Hz to 8 GHz Adj Channel Adj Channel Width Adj Channel Spacing Default 5 MHz 5 MHz 5 MHz Off Adj Channel Spacing Sets the spacing between the main and adjacent channel Alti Channel Alti Channel Width Alti Channel Spacing 5 MHz 10 MHz Range 1 Hz to 8 GHz Off Default 5 MHz Alt2 Channel Alt2 Channel Width Alt2 Channel Spacing Alt1 Channel Toggles the Alt1 channel 5 MHz 15 MHz measurement off or on Alt1 Channel Width Sets the bandwidth of the Alt1 RRC Filter channel Rolloff Factor Bandwidth inae den Range 1 Hz to 8 GHz Eu 0 22 B 84 MHz Default 5 MHz Clo
154. gland Telephone 015 82 433200 FAX 015 82 731303
155. graph is shown in Figure 5 47 The top half of the display shows the code power at each slot for the code channel The yellow plot 1s the I channel code and the green plot 1s the Q channel code Single Ch COP Vs Slot Uplink Code 1605F 64 D ATT 10 00 dB Rho 0 55717 CDP dBm 14 33 REF 0 00 dam CDE dB 50 33 CDP dB 2 54 10 30 50 70 90 m Slot 1 Center 4 Q00000000 GHz Slot 15 Code Domain Power 0 Uplink 70 ETE ME D it iid ii Code 0 Code 255 Figure 5 47 Code Domain Single Channel Code Power vs Slot Overview The measurement of the selected code channel is displayed in both the Summary and Code Power vs Slot Overview graph types The measurements include CDP CDE and the waveform quality factor Rho The measurement results are shown for the I or Q channel as programmed in the Code Domain Single Channel Setup dialog 5 70 MS278XB OM Measurements Operation Verification 5 6 Operation Verification This section provides procedures that you can use to verify the signal analyzer is operating properly and meets some of its specifications You may perform the following verifications Reference Oscillator Aging Rate Optional Frequency Readout Accuracy Frequency Span Accuracy e Swept Resolution Bandwidth e Single Sideband Phase Noise e Average Noise Level Frequency Response Reference Level Switching Uncertainty e Resolution Bandwidth RBW Switching Uncertainty e Residual Spu
156. he T TIT QT ROA e 6 2 Connecting to MATLAB 00 exa eee an Bead dle A SESS 6 2 MATLAB CONTO ocio rni ac Bik d er iio Nei ela A CI au SY a ase edat 6 4 Advanced MATLAB Functions o o oooooocooa eee eens 6 5 6 3 Microsott ADpIICaUORS sd abe aca cr RR a bs Mende se ta OR CAR ica e C CT d 6 6 Copying Graphical Screen Images 0 ees 6 6 Copying Screen Shots to Image Editors 0 ee ees 6 6 Copying Screen Shots to Office Tools llle 6 6 Exporting Trace Dali uou og burn orti A ge de i d abe E oen d re e eg at do We d e 6 7 Importing the Trace Data to Excel o ooooooonoonan nan 6 7 Importing the Trace Data to CCESS o o ooococooooo eee 6 8 Chapter 7 Remote Operation TEL MOGUCOM As ct 3e arbre E CEST o Roe ER MUR eee dl MAL des 7 1 fee Remote Desktop ari pun la a edd TN 7 1 Setting Up Your Analyzer 2 2 0 coa man 7 1 Enabling the Analyzer as the Host 0 00 cece eee ee eens 7 1 Installing the Client Software n 0 0 0 cc eee eee ene 7 2 Starting a Remote Desktop Session 6 ee eee 7 3 Advanced Connection Options 0 0 eee eens 7 4 Logging Off and Ending a Remote Desktop Session llli 7 4 Appendix A Specifications Subject Index MS278XB OM vii Chapter 1 General Information 1 1 About this Manual This manual provides general information installation and operating information for the model MS278XB High Perfor
157. he equipment to ground If power is supplied without grounding the equipment there is a risk of receiving a severe or fatal electric shock MS278XB OM 2 1 Unpacking the Product Preparation for Use 2 4 Unpacking the Product Initial Inspection Inspect the shipping container for damage If the container or cushioning material is damaged retain until the contents of the shipment have been checked against the packing list and the instrument has been checked for mechanical and electrical operation If the MS278XB is damaged mechanically notify your local sales representative or Anritsu Customer Service If either the shipping container 1s damaged or the cushioning material shows signs of stress notify the carrier as well as Anritsu Keep the shipping materials for the carrier s inspection N CAUTION Warning Use two or more people to lift and move this equipment or use an gt 1 3 KO equipment cart There is a risk of back injury if this equipment is lifted by one person HEAVY WEIGHT After removing the instrument from the shipping container inspect the contents against the list found in the following section Package Contents Signature comes with a standard set of accessories In addition to the basic instrument Table 2 1 lists the standard set of items that are commonly shipped with the base model Table 2 2 Standard Shipment Contents Part Number Description MS278XB High Performance Signature SPA VSA 800 XXX Pow
158. he Bandwidth main menu can be quickly accessed by using the Ctrl Shift E keyboard combination The Bandwidth main menu lets you adjust the following Resolution Bandwidth and Mode Video Bandwidth and Mode Bandwidth Coupling Parameters MM Bandwidth Auto Coupling Figure 4 4 Bandwidth Main Menu 4 10 MS278XB OM Front Panel Menus Menu Archive Bandwidth Menu The Bandwidth menu lets you select between automatic or manual resolution bandwidth and set the resolution and video bandwidths when in the manual mode Table 4 7 Bandwidth Menu RBW To change the resolution bandwidth when in the manual mode press in the RBW parameter field and enter a new value using the numeric keys When a new value is Pare 2 entered the terminator fly out will appear with the available units Press on the desired units to terminate the entry l Range 10 Hz to 8 MHz o Hur Resolution 1 2 3 5 steps 10 Hz 20 Hz 30 Hz 50 Hz 100 Hz Y Default Auto see Span RBW do LS Terminators GHz MHz kHz Hz Cancel vw BME To toggle between resolution bandwidth modes press the Manual Auto button VBW To set the video bandwidth when in the manual mode press in the VBW Y parameter field and enter a value using the numeric keys When a new value is entered Manual Auto the terminator fly out will appear with the available units Press on the desired units to terminate the entry Sweep Time Range 1 Hz to 10 MHz ems Resolution 1 2 3 5 steps 10 Hz
159. he computer name noted in Step 3 of the previous procedure for the Signature analyzer 4 Click Connect The Log On to Windows dialog box appears 5 Signature is shipped from the factory with the following user name and password User Name SignatureUser Password 2780 MS278XB OM 7 3 Remote Desktop Remote Operation Unless this was changed you should be able to login using this user name and password 6 After a successful login you will see the desktop of Signature and you can remotely perform all of the tasks on the analyzer that you could normally perform locally Note While Signature is being remotely controlled the local screen will blank out and local controls will cease to be effective Local control can be taken back by logging back into the machine with the password 2780 unless you have changed the password setting Advanced Connection Options Connection settings such as screen size automatic logon information and performance options can be configured before you start your remote Connection You can expand the Remote Desktop Connection dialog by clicking on the Options gt gt button 72 Remote Desktop Connection pescan a E General Display Local Resources Programs Experience Logon settings EB Type the name of the computer or choose a computer from the drop down list Computer sn 41802 v User name Signature ser Password esesesesel Domain 5 ignatur
160. he connector pinout 6 25 pin connector that provides a parallel interface to an external 25 pin printer Table 3 11 describes the signal lines and shows the D Sub connector pinout PN Interface is currently not available I 7 a ai ci I e x 15 pin XGA connector allows the MS278XB to send the front 15 pin panel touch screen display to an external VGA XGA monitor D Sub Table 3 13 describes the signal lines and shows the connector pinout 8 PS 2 Mouse Provides connection to an external PS 2 mouse 6 pin Interface DIN 9 3 40 MS278XB OM Instrument Overview Table 3 9 10 11 12 13 14 15 16 17 Rear Panel and Connector Diagrams MS278XB Rear Panel Index Legend PS 2 Keyboard Interface Reference Output MS278XB OM Provides connection to an external PS 2 keyboard Provides a reference frequency output Using the internal 10 MHz reference Level 8 dBm 3 dB Frequency 10 MHz Using an external frequency reference Level 19 dBm to 14 dBm Frequency Same as external frequency Provides a reference frequency input Level 6 dBm lt input signal lt 10 dBm Frequency Any frequency from 1 to 25 MHz with 1 MHz resolution and 1 544 or 2 048 MHz 1128 65 MHz input for VSA mixer etc Outputs 75 MHz IF Level 5 dBm 5 dB BW gt 40 MHz gt 120 MHz without image rejection filter Differential input for baseband l Q 50 or 1MQ Switchable unbalanced or differenti
161. his indicates a note The contents are described in the box DUP Po N These indicate that the marked part should be recycled MS278XB OM Safety 1 For Safety Warning Always refer to the operation manual when working near locations at which the alert mark shown on the left is attached If the operation etc is performed without heeding the advice in the operation manual there is a risk of personal injury In addition the equipment performance may be reduced or Moreover this alert mark is sometimes used with other marks and descriptions indicating other dangers Warning When supplying power to this equipment connect the accessory 3 pin power cord to a 3 pin grounded power outlet If a grounded 3 pin outlet is not available use a conversion adapter and ground the green wire or connect the frame ground on the rear panel of the equipment to ground If power is supplied without grounding the equipment there is a risk of receiving a severe or fatal electric shock Warning This equipment can not be repaired by the operator Do not attempt to remove the equipment covers or to disassemble internal components Only qualified service technicians with a knowledge of electrical fire and shock hazards should WARNING A service this equipment There are high voltage parts in this equipment presenting a risk of severe injury or fatal electric shock to untrained personnel In addition there is a risk of damage to precision
162. ich 1s part of the Administrators group to enable Remote Desktop 1 Open the System folder in Control Panel by clicking Start Control Panel then double click the System icon to open the System Properties dialog MS278XB OM 7 1 Remote Desktop Remote Operation 2 On the Remote tab select the Allow users to connect remotely to this computer check box as shown below System Properties General Computer Mame Hardware Advanced System Restore Automatic Updates 1 Remote Select the ways that this computer can be used from another TA location Remote Assistance Allow Remote Assistance invitations to be sent from this computer Learn more about Remote Assistance Remote Desktop Full computer name bleed 0 main intgin net Learn more about Remote Desktop Select Remote Users Figure 7 1 System Properties Dialog 3 Note the analyzer s full computer name shown in the dialog box above for use when making the remote connection Note Signature is configured with one remote user at the factory Additional remote users can be added by selecting the Add Remote Users button in the dialog above Refer to your Microsoft documentation for more information about adding remote users 4 Leave the analyzer running and connected to the network Installing the Client Software The Remote Desktop Connection client software allows a computer running Windows 95 Windows 98 Windows 98 Second Edition
163. idth and channel spacing are set to 5 MHz REW 200 kHz ATT 10 dB FB OFF REF 0 00 dam ST Sms IS 5H 4 Trci ClearWrite RMS Single NIMM MIN aa tte dan pes 1 990000000 GHz Center 2 000000000 GHz Stop 2 010000000 GHz LLL SZ LLLILILILILILLAA AE Channel Power Tx Channel Bandwidth 5 MH Power 5 868 dBm prm i Adj Channel LIpper 60 300 dBm Bandwidth 5 MHz Lower 60 875 dBm Spacing 3 MHz Figure 5 12 Adjacent Channel Power Measurement MS278XB OM 5 33 RF Measurements Measurements Multicarrier Channel Power Measurement The Multicarrier Channel Power MCCP measurement 1s similar to the Channel Power measurement refer to Channel Power Measurement on page 5 31 It shows the total power from a transmitter but the measurement 1s more accurate than a power meter as it 1s frequency selective and can be made on lower amplitude signals The Multicarrier Channel Power measurement 1s similar in this regard only it 1s capable of measuring up to 12 carriers at the same time along with measuring the adjacent channel and two alternate channel powers Below 1s an example display measuring four carriers as well as the upper and lower adjacent and upper and lower alternate channels REW 200 kHz ATT 10 dB VEAM 1 MHz REF 0 00 dBm TEM 5 Not Triggered Single Trci ClearWiriteen RMS Swept start 2 115000000 Hz Center 2 140000000 GHz Stop 2 165000000 GHz Multicarrier
164. illator Aging Rate Tests MS278XB OM 9 73 Operation Verification Measurements Test Procedure 1 On the MS278XB set the 10 MHz Reference to Internal Reference 2 On the frequency standard cycle the menu screen to the sixth screen External Frequency Measurement and then press the keyboard switch numbered 1 followed by the number 10000000 3 Press keyboard switch numbered 2 to enable the external frequency measurement option 4 Ensure that the external frequency measurement option 1s enabled and that the unit 1s locked by observing an in row one column 35 of the display If NOTLK appears then the frequency standard is not locked and testing must be halted If the does not appear then the unit is not connected properly 5 Ensure that the measurement count has started to increment This is displayed in row one columns 20 through 29 of the display 6 Record the date and time of starting the test and the frequency offset displayed on the frequency standard in the test record as F1 7 After 24 hours press keyboard switch number 3 to disable the measurement Note that the will disappear 8 Record the date and time of stopping the testing and the frequency offset displayed on the frequency standard in the test record as F2 9 Calculate the aging rate as the difference between F1 and F2 10 Record the computed result in the test record To meet the specification the computed aging
165. illustrated throughout the procedures in this chapter The procedures in this section assume that the analyzer will not be equipped with an external keyboard and mouse and that you will be using the touch screen and front panel keys The same operations may be performed in a similar fashion by making use of an external keyboard and mouse The following measurement setups are illustrated in this section Setting the Center Frequency e Setting the Frequency Span e Setting the Start and Stop Frequencies e Setting the Reference Level e Setting the Input Attenuation e Setting the Scale Div e Setting the Resolution Bandwidth e Setting the Video Bandwidth e Setting the Sweep Time e Setting the Bandwidth Coupling Modes e Setting Markers e Setting Trace Modes Configuring the Triggering MS278XB OM 5 1 Basic Measurement Setups Measurements Setting the Center Frequency The center frequency 1s set at the center of the graticule display 1 Press the Freq 1con on the main menu bar or press the Frequency key on the instrument front panel to display the Frequency menu below ES Frequencies Center 2 Hz Span 2 MHz Span Presets Start 1 999 GHz Stop 2 001 GHz 2 Press in the Center parameter field and use the keypad to enter the desired center frequency then select the appropriate frequency terminator from the fly out menu WCDMA Channels 5 2 MS278XB OM Measurements Basic
166. include active traces setup information and I Q vectors To control the interaction between Signature and MATLAB in the Signature GUI you can choose a MATLAB script to run and control the synchronization between the two environments For in depth descriptions and procedures on how to use the advanced power that MATLAB brings to Signature s measurement analysis capabilities refer to the Anritsu application note Custom Measurements and Analysis using MATLAB on Signature PN 11410 00353 found at the documents area of Anritsu Internet site http www us anritsu com 6 4 MS278XB OM Software Peripherals Signature MathWorks Connectivity Option 40 only Advanced MATLAB Functions MATLAB provides advanced data analysis capabilities The scope of these capabilities 1s limitless and beyond the intent of this manual to describe however Signature ships with a number of example demonstration codes to help get you up and running quickly with MATLAB These include several plotting routines that automatically update the plot as the Signature measurement trace changes One of these functions 1s called timerplot This plot is shown side by side with an actual screen shot of the same signal taken from the analyzer s measurement screen Figure 1 timerplot File Edit View Insert Tools Desktop Window Help Dag de xs 8o 9 DE ao timerplot 160 170 180 190 200 210 Amplitude 220 230 240
167. ion Span Presets Standards Full Span Generic Ethernet Zero Span mAQPSE Instrument Marne Last Span Cancel 128Q04M Cancel Figure 3 16 Selection Fly out Menus MS278XB OM 3 21 Graphical User Interface Overview Spreading Factor Phase Error 180 degree 100 degree 50 degrees 20 degrees 10 degrees 5 degrees Cancel RACH TCP Command Pattern Full Slot Leading Edge Trailing Edge Both Edges Figure 3 16 Selection Fly out Menus 3 22 Instrument Overview Constellation Rotation Magnitude Scale Input O degrees Wideband RF Input Narrowband RF Input 90 degrees 180 degrees Wideband Single I Q oe 270 degrees Wideband Diff I M Cancel Cancel EE S I eee Cancel Transmit Power CDP Zoom Factor Transmit Diversity Step Size Antenna Cancel MS278XB OM Instrument Overview Graphical User Interface Overview Active Code Channels Compressed Mode Scramble Code Code Domain Power Marker Functions Ordinary Relative to CPIC Auto Mode Selec Left Alternate Absolute Test Models Cancel Manual Right Alternate Cancel Manually Entered Cancel Cancel Figure 3 16 Selection Fly out Menus Toggle Buttons Several menus offer a simple on off type of mode selection When these controls are present there is a check mark indicating the current selection To toggle the selection to the other mode press on the control b
168. ion changes by a known amount with signal level based on the order this is a simple computation ABW 20 kHz ATT 20 dB YEW OFF REF 10 00 dBm ST 62 5 ms 0 Single 20 Trci Clearwrite Average 40 op q LLL aby Jo M a A NT ACA IA Start 1 997500000 GHz Center 2 000000000 GHz Stop 2 002500000 GHz 0 500 ME div E E ar Third Order Intercept Marker Frequency Amplitude TOI Merl 2 0005 GHz 1 72 dem 31 99 dBm mkr 2 1 9995 GHZ 1 72 dem Mkr 3 1 9985 GHz 58 82 dem mkrda 2 0015 GHz 70 15 dem Figure 5 9 Third Order Intercept Measurement MS278XB OM 9 29 RF Measurements Measurements Occupied Bandwidth Measurement The Occupied Bandwidth OBW measurement shows the bandwidth that includes most of the channel energy This 1s usually 99 but can be adjusted It also shows the bandwidth that is occupied down to X dB below the signal level which can also be adjusted When in the OBW measurement the frequency sweep and bandwidth parameters are used according to basic instrument setup The RBW must be sufficiently small to not affect the OBW reading The attenuator and reference level must be set correctly and the signal must be significantly above the analyzer s noise floor to get a reasonable measurement The detector is automatically set to RMS detector During the measurement the instrument integrates power over the entire span then starts integrating out from the center until the selected percentage
169. ional Information for New Masks Upper l ower Upper Relative lo Cemer Absolute Descriptont Frequency Scale Amplitude Scale Mask Description Add EditiDelete Mask Tab Apply Mask Add Edit Delete Mask Highlight an item from the list below to edit delete a mask MaskID In use Not in use Name Description New Mask 1 Description 1 New Mask 2 Description 2 New Mask Edit Mask Delete Mask Close Figure 4 18 Spectrum Mask Setup Dialog 4 44 To apply or remove a spectrum mask from the measurement select a mask from the list and toggle the mask to On or Off To create a new spectrum mask press the Edit Mask button The Define Spectrum Mask Dialog appears next row To edit an existing mask select a mask from the list then press the Edit Mask button The Define Spectrum Mask Dialog appears next row To delete an existing spectrum mask select the mask from the list then press the Delete Mask button MS278XB OM Front Panel Menus Define Spectrum Mask Dialog Define Spectrum Mask Basic Advanced Mask Segment display to be shown here Mask Name Mask Description Descriptions 1 Parameter Entry and Measurement Setup Dialog Archive Mask Filename fc Begin Frequency Begin Frequency Type End Frequency Mirror Frequency Off On Begin Amplitude Begin Amplitude Type End Amplitude E E Mask Segment Figure 4 18 Spectrum Mask Setup Dial
170. ions are available Active Marker To select the active marker press on the Active Marker field and select a marker from the fly out menu To turn the active marker on or off press the Off On button Delta Markers are not available Marker n Sym Set the active marker s Symbol number by pressing in the Marker n Sym parameter field where n is the active marker s number and entering a value using the numeric keys When a new value is entered the terminator fly out will appear with Enter or Cancel The rotary knob or Up down arrow keys may also be used to increment the marker value The marker s value is displayed in the field below Marker n Sym and on the graticule display All Markers Off Press the All Markers Off button to deactivate all of the markers MS278XB OM Front Panel Menus Menu Archive Table 4 9 Marker Select Menu Modulation Measurements Marker Select Active Marker Marker t Of On j Mormal Delta Marker 1 Chips All Markers Off 1 Modulation Measurements Marker Select Measured Slot Slot Of On Normal Delta j Slots MS278XB OM When in the WCDMA measurement mode with the QPSK or Composite graph type selected the following marker selections are available Refer to the WCDMA Graph Type Dialog on page 4 48 for information on setting graph types Active Marker To select the active marker press on the Active Marker field and select a
171. ions of RBW and Span settings Table 5 6 Swept Resolution Bandwidth Test Specification Frequency RBW Minimum Maximum 5 80 MS278XB OM Measurements Operation Verification Single Sideband Phase Noise The following test can be used to verify that the MS2781B is within its Single Sideband Phase Noise specifications A signal source with phase noise performance of at least 10 dB lower than the MS2781B is required for this procedure Test Setup Connect the equipment as shown in the figure below 10 MHz Reference Input 10 MHz Reference 09000000 34NKF 50 N m to K f Low Noise Signal Generator Adapter MS278XA Signal Analyzer Coaxial Cable Figure 5 52 Equipment Setup for Single Sideband Phase Noise Test Test Procedure 1 Set up the instrument as shown in Figure 5 52 2 Turn on both the MS2781B Signal Analyzer and the low noise signal generator and allow them to warm up for one hour Press the Preset key on the MS2781B to reset the instrument to factory default state Set the MS2781B to use External Reference signal Set the output level of the low noise signal generator to 0 dBm Set the output frequency of the low noise signal generator to 1 GHz CW Set up the MS2781B as follows NI c OF Cc a Center Frequency 1 GHz Reference Level 0 dBm VBW Auto Sweep Time Auto Attenuation 10 dB moo Oo c Trace Mode Average g Averaging Size 200 h Detecto
172. isual Basic to run on the embedded PC and customize the operation of the instrument Commercially available software such as Microsoft Office and MATLAB from The MathWorks can also interact with the instrument s programming and measurement data In order to maximize the responsiveness of the system additional control programs run on dedicated microcomputers in most of the system s modules These programs receive their instructions from the embedded PC through an internal network but can operate autonomously to provide high speed hardware real time control This approach frees the instrument from the inherent response time limitations of the Windows based PC while improving flexibility and measurement speed When used as a standalone instrument the 8 GHz analyzer can perform the following measurements e All typical spectrum analysis including channel power carrier to noise ratio conformance to spectral mask peak signal frequency and amplitude All typical vector signal measurements such as constellation and vector plots carrier leakage I Q imbalance and quadrature error e Smart one button measurements such as ACPR signal bandwidth EVM error vector magnitude and BER bit error rate When configured with one external source the 8 GHz analyzer can perform the following network measurements Frequency Response e Return Loss Group Delay e 1 dB Compression When configured with two external sources the 8 GHz analyzer can
173. ition and value bits of the demodulated signal Espiel 0 71 95 ATT 10 00 dB CarrierFregerr 0 173 k REF 0 00 dBm Sym Rate 3 840 MHz SymbolRateErr 27 311 k EWM 0 71 EVI Max 1 58 96 EV IMPeakPas goz IG Imbalance 0 05 96 Estiu 95 1 58 96 Quad Err 0 03 deg MER 42 92 cB Rho 1 00 0 67 o 0 17 Hz 0 41 0 24 deg O Offset Freq Err Amp Err Phase Err Power 2 44 0 00 dB Sym single Amp Droop 10111000 11111100 10111011 01101001 11111000 10011110 10101110 01101010 00110100 01010110 11111110 01101001 01111010 O0100001 11010101 01110101 01010001 00001101 11110111 11010100 10100001 10000101 11000011 10000000 10000100 10100001 oo000000 11101010 01010010 01001010 00010100 11001000 10111001 11100011 10010010 11110101 O0001110 00001010 11011111 00001010 01010011 10100011 11011011 O0000101 01000011 01011011 Figure 3 29 QPSK Summary Display MS278XB OM 01001000 11100001 oo010000 01100001 11001000 00111011 01011111 00100101 11011010 10011011 10101101 11010101 10000111 10110100 11111011 11110010 10100101 10000000 10110111 01110111 01110100 01000100 01110110 01101110 01110011 01011101 10100111 01111000 10110111 11110001 01100101 10111100 10110110 11010010 01000001 11100011 01110000 11110101 11010110 01111001 01001111 01010000 00010100 00110101 10111101 11010000 11100011 11010110 01111011 00011000 11001011 00111001 01011101 00010101
174. kHz 100 Hz REN C N 20 dB 109 250 kHz 10 kHz SS C N 40 dB L416 Turn off Marker 2 Record the Marker 1 power as the Measured Carrier Power in Table 5 8 Use this to compute the Measured Carrier to Noise Ratio in Step 24 For frequency offsets 21 MHz set the MS2781B as follows a Frequency Span 1 kHz b Reference Level 25 dBm c RBW 10 kHz d VBW Auto Sweep Time 120 Seconds Attenuation 0 dB Trace Mode Clear Write Detector RMS Optimize Phase Noise Manual j Optimize Phase Noise Offset gt 85 kHz o i rm pi 0 e Set the Center Frequency as indicated in Table 5 8 and initiate a sweep 24 After the sweep passes Marker 1 record the difference between the marker value and the 25 5 82 Measured Carrier Power as the Measured Carrier to Noise Ratio 1n Table 5 8 Repeat Step 23 and Step 24 for the rest of the Center Frequencies listed in Table 5 8 MS278XB OM Measurements Operation Verification 26 Compute the Calculated Phase Noise for each value in Table 5 8 Table 5 8 Single Sideband Phase Noise Test Measured Carrier Power Center Offset Measured Carrier to Calculated Phase Noise Specification Frequency Measured Noise Ratio C N dBc dBc Hz dBc Hz 1 010 GHz 10 MHz A C N 40 dB lt 142 27 Return Optimize Phase Noise to the Auto setting MS278XB OM 5 83 Operation Verification Measurements Average Noise Level The following test can be used to verify tha
175. key Functions 0 0 00 cece eee eens 3 36 3 4 dnstment OPS ON sao abe ene ce earn hee emcee da 3 37 6 arzigielino ori ss ot a ii dde ia 3 37 CalibrallOM Slate oes os mare eo NN a Set 3 37 ASTUMEN PESO asias adorada a ia iia 3 37 3 5 Rear Panel and Connector Diagrams lille 3 38 Chapter 4 Front Panel Menus As INTOAUCUON costosa daa S decer a te oan heed ccs esata ob aw wae et hot 4 1 42 QUICK Rellenar HO bane Hebe ea ic ai aiat 4 1 MS278XB OM Table of Contents Continued des Men Archive cabrio dem a Bit lock db 4 4 Frequency Main MenuU ooooooor ehh 4 4 Frequenci s Ment sustraer he hoe A qo don CCS eb e axe Pa 4 5 Step Size and Offset Menu llli rs 4 6 Amplitude Main Menu i ARGUS EREREVP RXYyR EecreSG PR RU E EE x Eus 4 7 Amplitude Metis ire Grete a rd Dd E om P e DA E dB act ias 4 8 Y Axis Options MENU s a um rte A RU Rr Su UR Ea E Sud 4 9 BandwWidii Mam Menor ada 4 10 Bandwidth Menu o o o o o oooooo eer 4 11 Auto Couplihg MENU ss s dor citar oe ad o CPC oa a ee OR oem ed eau dre dr RUE 4 12 Marker Main Menu 4 13 Marker Select Menu llli 4 14 Mearkorto Merl c aad Stake eR Aa dora DOC a a uc eat oe mco ee BY 4 17 Marker Config MenuU o oo oooocoooo hrs 4 18 Hisplay LINCS Mentiras dad there eel Decio und es ase 4 18 Measurement Main Menu oo o ler 4 19 Measurement Menu 0 000 ee eee eens 4 20 Trace Maii MENU a th rn hee ico e
176. l 4 600 meters 43 9 cm Hg Vibration Sinusoidal 5 Hz to 55 Hz on 3 axes operational Random 10 Hz to 500 Hz on 3 axes non operational Shock non operational 30g for 11 msec on 3 axes Bench Drop operational 4 inches on 4 surfaces and 4 edges Shipment Protection non operational 6 surfaces and 4 corners from 36 inches high to concrete floor EMI Compatibility The MS278XB meets the following EMI emissions and immunity requirements EN61326 1998 EN55011 1998 CISPR 11 1997 Group 1 Class A EN61000 3 2 1995 A14 EN61000 3 3 1995 EN 61000 4 2 1995 4kV CD 8kV AD EN 61000 4 3 1997 3V m EN 61000 4 4 1995 0 5kV SL 1kV PL EN 61000 4 5 1995 0 5kV DM 1kV CM EN 61000 4 6 1996 3V EN 61000 4 11 1994 100 1 cycle Safety The MS278XB meets the following safety requirements Low Voltage Safety Standard 72 73 EEC EN61010 1 2001 MS278XB OM A 1 Symbols Subject Index Symbols OO WED des acu mouit sas eg US ERES s d d 4 36 Ae IE MERC MU CHIC PE 4 37 Hz in ACP Setup AAA 4 39 Hz in Multicarrier Channel Power Setup 4 42 Numerics PEOQAME ue site ae au dat t de mE aes 4 46 iod MT 4 46 ANS nope bon nas ee A cx n erc 4 46 AI sartei utes beate eared AT dod eer wih nd 4 46 BETO OU duse bL dts RISO o PUE ix 4 46 OXC SINE sicario ipea iesu d uat 4 46 A nt nU Ce es 4 46 A About Anritsu Signature Dialog 3 16 About this Manual 1 1 AC Power Input x2 o e e ES
177. l Menus Display Options Menu The Display Options menu lets you set up limit lines on the graticule for display and measurement purposes Table 4 15 Display Options Menu View Taskbar To display the Windows taskbar press the View Taskbar toggle button View Desktop To display the Windows desktop press the View Desktop button to On Display Options A All open applications and windows will be minimized View Taskbar Inverse Video To inverse the video display of the graticule press the Inverse Video Y toggle button to On Off On View Desktop Inverse Video v Of On Touch Screen Menu The Touch Screen menu lets you calibrate the touch screen Table 4 16 Touch Screen Menu Calibrate To calibrate the touch screen press the Calibrate button and follow the on Screen instructions Touch Screen A 4 26 MS278XB OM Front Panel Menus Menu Archive Sweep Main Menu The Sweep main menu can be quickly accessed by using the Ctrl Shift D keyboard combination The Sweep Main Menu lets you Set the Sweep Time Parameter Select the Sweep Mode Start a Single Sweep Select the Sweep Type Figure 4 9 Sweep Main Menu MS278XB OM 4 27 Menu Archive Sweep Menu Front Panel Menus The Sweep menu lets you lets you select between continuous or single sweep modes and to start a single sweep Table 4 17 Sweep Menu Sweep Sweep Time 5 ms Y Manual Auto Sweep Mode Y Continous Single
178. l attenuation level must be appropriately set based on the input signal level 1 Press the Amp icon on the main menu bar or press the Amplitude key on the instrument front panel to display the Amplitude menu below 3 Amplitude A Reference Level 0 dBm Attenuation 10 dB Y Manual Auto Scale Div 10 de 2 Select Manual or Auto from the Manual Auto toggle button 3 If manual attenuation 1s selected press in the Attenuation parameter field and use the keypad to enter the desired attenuation level then select the appropriate amplitude terminator from the fly out menu Cancel 5 6 MS278XB OM Measurements Basic Measurement Setups Setting the Scale Div The Scale Div selection 1s only available when the instrument 1s set to Log mode The Scale Div setting adjusts the number of units per vertical division of the graticule display 1 Press the Amp icon on the main menu bar or press the Amplitude key on the instrument front panel to display the Amplitude menu below Amplitude Reference Level 0 dBm Attenuation 10 dB Y Manual Auto Scale Div 10 dB 2 Press in the Scale Div parameter field and use the keypad to enter the desired scaling value then select the appropriate terminator from the fly out menu MS278XB OM 5 7 Basic Measurement Setups Measurements Setting the Resolution Bandwidth The Resolution Bandwidth RBW sets the filter response of the analyzer s IF stages
179. l mode the RBW and VBW settings need to be set to Auto to allow for their automatic determination 1 Press the BW icon on the main menu bar or press the Bandwidth key on the instrument front panel to display the Bandwidth menu below Bandwidth REW 3 MHz Y Manual Auto YEW 3 MHz Y Manual Sweep Time 16 ms Y Manual Auto 2 Select Auto Sweep Time mode or press in the Sweep Time parameter field and use the keypad to enter the desired sweep time then select the appropriate terminator from the fly out menu WCDMA Channels 5 10 MS278XB OM Measurements Basic Measurement Setups Setting the Bandwidth Coupling Modes The Bandwidth Auto Coupling modes Span RBW and VBW RBW sets the coupling ratios of the span RBW and VBW These ratios can be set automatically or manually as follows 1 Press the BW icon on the main menu bar or press the Bandwidth key on the instrument front panel then expand the Auto Coupling menu by selecting it to display the menu below 1 Auto Coupling A All Auto Span RBW 11 T VBW RBW Sweep Time Coupling Y Speed Accy 2 Select the All Auto mode 3 If All Auto is not selected press in the Span RBW or VBW RBW parameter field and use the keypad to enter the desired ratio then select the appropriate terminator from the fly out menu Cancel 4 Toggle the sweep time coupling mode between speed or amplitude accuracy Note When the
180. l the power cord until Windows has been properly shut down Note After turning off the instrument you must wait at least 10 to 15 seconds before turning the instrument back on again This delay is required to allow the internal power supplies to discharge and to assure a reliable cold start 2 Configuration This section describes the various aspects of the instrument configurations both inside and outside of the main instrument software The following system configurations are described below e BIOS Configuration e Windows XP Configuration e Analyzer Configuration e Main Menu Tool Bar Configuration BIOS Configuration This section describes a few requirements of the BIOS setup Caution lt is strongly recommended that you do not enter or change the BIOS settings The BIOS is configured at the factory for optimum system performance Incorrect BIOS settings can render the system unusable Before entering the BIOS you must install a PS2 keyboard USB devices are not supported outside of the Windows operating environment The BIOS setup utility can be accessed by pressing F2 during the initial power up state when the Anritsu blue screen appears If the system proceeds to the Windows XP startup screen the BIOS will not be entered and the system will require a restart before BIOS entry can be attempted Note After turning off the instrument you must wait at least 10 to 15 seconds before turning the instrument back on again
181. lace with the two fastening nuts Push the button at 1 to release and extend the slide Figure 2 2 Rack Mount Slide Assembly Diagram 5 Install the two rack mount bracket and slide assemblies onto the instrument sides using the green headed screws removed earlier Figure 2 3 Figure 2 3 Rack Mount Assembly Installation Diagram This completes the installation of the slide assembly 2 4 MS278XB OM Preparation for Use Power On Procedure 2 6 Power On Procedure No initial setup 1s required After unpacking the MS278XB 1s ready for use however it 1s strongly recommended that you connect an external keyboard and mouse to facilitate ease of use of the Windows operating system particularly when installing third party software refer to Section 2 4 The MS278XB 1s equipped with automatic line power sensing and will operate with any of the following line voltages 100V 120V 220V 240V 4596 1096 48 63 Hz 350 VA The MS278XB is intended for Installation Category Over Voltage Category II Warning When supplying power to this equipment connect the accessory 3 pin power cord to a 3 pin grounded power outlet If a grounded 3 pin outlet is not available use a conversion adapter and ground the or green wire or connect the frame ground on the rear panel of the equipment to ground If power is supplied without grounding the equipment there is a risk of receiving a severe or fatal electric shock After the abo
182. lay and Touch Panel GUI The graphical user interface is used to display measurement data and interactive finger touch menus Front Panel USB Ports The two front panel USB ports offer a convenient interface access for USB compatible devices Probe Power Port This port supplies power to your power probe Tracking Generator Output Port This port provides for a Tracking Generator option This is a future option and is not used at this time RF Input Port The RF Input Port provides the connection to the Device Under Test Input specification 30 dBm 9 500 MAXIMUM ZERO 0 Volts DC 100 Hz to 8 GHz Source Output Port This port provides for an Internal Modulated Source option This is a future option and is not used at this time 3 5 Front Panel Overview Instrument Overview Data Display The data display area 1s the large LCD touch screen The touch screen is used to display measurements and function menus The touch screen has the ability to receive input from the active soft keys with a simple press of a finger The majority of your interface with the analyzer 1s through the touch screen Refer to Section 3 3 for more information about interfacing with the LCD touch screen Front Panel Keys The front panel keypad is used to set the analyzer in and out of standby operation enter numerical data activate functions and access menus on the GUI The keypad is divided into groups consisting of the Major Function Keys Minor
183. lects the RF measurement mode see below QAM PSK Selects the modulation measurement mode see below Measurement Type WCDMMA Selects the modulation measurement mode see below WiMAX Launches the WiMAX Analysis application requires Options 22 and 41 Phase Noise Launches the Phase Noise Measurement application requires Option 52 Standard Standard This selection allows you to select a measurement standard that MOSS automatically configures all of the measurement parameters To select a measurement standard press on the Standard button and select the desired standard from the fly out menu RF Measurement Type To change the measurement type press on the Measurement Type button and select one of the following measurement types from the fly out menu Spectrum Selects the spectrum analysis mode see above RF Selects the RF measurement mode QAM PSK Selects the modulation measurement mode see below WCDMA Selects the modulation measurement mode see below WiMAX Launches the WiMAX Analysis application requires Options 22 and 41 Phase Noise Launches the Phase Noise Measurement application requires Measurement A Option 52 Standard This selection allows you to select a measurement standard that automatically configures all of the measurement parameters To select a measurement standard press on the Standard button and select the desired standard from the fly out RF menu RF Measurement Type Measurement Type RF Me
184. ling A l Span RBW Resolution 1 100 Default 50 Terminators Enter or Cancel VBW RBW Bono VBW RBW To set this coupling parameter press in the VBW RBW parameter field and enter a value using the numeric keys When a new value is entered the terminator fly Sweep Time Coupling out will appear with the available units Press on the desired units to terminate the entry a Range 0 001 to 1000 Resolution 0 001 Default 5 Terminators Enter or Cancel This parameter is not available in FFT sweep modes Sweep Time Coupling To set the sweep time coupling parameter press the Speed Accy button to toggle the selection The Speed setting yields the fastest sweep times but sacrifices amplitude accuracy The Accy setting yields the most accurate amplitude measurement 4 12 MS278XB OM Front Panel Menus Marker Main Menu Menu Archive The Marker main menu can be quickly accessed by using the Ctrl Shift R keyboard combination VA Marker Marker Select Y Marker To 7 Y Marker Config Y Display Lines Y Figure 4 5 Marker Main Menu MS278XB OM The Marker main menu lets you set the Active Marker and Marker Status Marker to Next Options Marker Configuration Parameters Display Line Setup Parameters 4 13 Menu Archive Front Panel Menus Marker Select Menu The Marker Select menu lets you toggle the markers on or off set the active marker frequency and select between normal or delta markers Table
185. lling options contact your nearest Anritsu customer service center found in Table 1 4 Customizing the Tool Bar Signature s tool bar can be customized by adding commonly used icons and eliminating those that are seldom used To customize the tool bar select Tools Add Remove Tool Bar Items Customize from the drop down menu bar The Customize Toolbar dialog 1s displayed in Figure 2 33 below Customize Toolbar Available toolbar buttons Current toolbar buttons AY arn Figure 2 10 Customize Toolbar Dialog To add icons to the tool bar select an icon from the available tool bar buttons and press Add gt To remove icons from the tool bar select an icon from the current tool bar buttons and press lt Remove Additional tool bar configurations include rearranging the icons and resetting the tool bar icon set to default MS278XB OM 2 11 Remote Interface Setup Preparation for Use 2 8 Remote Interface Setup Most of the MS278XB functions except power on off and initialization of the hard disk can be controlled remotely by an external computer controller via the IEEE 488 2 GPIB or a Local Area Network LAN The information 1n this section pertains to the interface connections and cable requirements for the GPIB Setup and LAN Setup Refer to the Model MS278XB Programming Manual Anritsu Part Number 10410 00274 for detailed information about remote programming of the MS278XB using these remote interface options refer
186. mance Spectrum Vector Signal Analyzer SPA VSA Signature M Manual organization 1s shown 1n the table of contents Introduction This chapter provides general information about the MS278XB It includes a general description of the analyzer and information on its identification number related manuals options and performance specifications This chapter also provides preventative maintenance and customer service information The MS278XB manual set is installed on the analyzer s hard drive as an Adobe Acrobat pdf file The file can be viewed on the analyzer s front panel display using Acrobat Reader The file is linked such that you can choose a topic to view from the displayed bookmark list and jump to the page on which the topic resides The text can also be word searched The MS2781B is also equipped with online Help called Signature Help System The Help system is integrated into the product software making 1t context sensitive to front panel actions as well as providing full context search advanced navigation controls and custom bookmarking capabilities The Signature Help System can also run independent of the product and is included on the Signature Manuals CD ROM Performance specifications can be found in Appendix A Specifications located at the back of the Signature operation manual Updates can be downloaded from the Documents area of the Anritsu Internet site http www us anritsu com Associated Docume
187. marker from the fly out menu To turn the active marker on or off press the Off On button Delta Markers are not available Marker n Chips Set the active marker s Chips by pressing in the Marker n Chips parameter field where n is the active marker s number and entering a value using the numeric keys When a new value is entered the terminator fly out will appear with Enter or Cancel The rotary knob or Up down arrow keys may also be used to increment the marker value The marker s value is displayed in the field below Marker n Chips and on the graticule display All Markers Off Press the All Markers Off button to deactivate all of the markers When in the WCDMA measurement mode with the Transmit Power Control graph type selected the following marker selections are available Refer to the WCDMA Graph Type Dialog on page 4 48 for information on setting graph types Measured Slot The measured slot is fixed in this mode On Off and Delta Markers are not available in this mode Slot Set the Slot for the zoom display by pressing in the Slot parameter field and entering a value using the numeric keys When a new value is entered the terminator fly out will appear with Enter or Cancel The rotary knob or Up down arrow keys may also be used to increment the marker value This sets the slot used for the Zoom displays of the Transmit Power Control The marker s value is displayed in the field below Slot and on the gratic
188. n before a printer 1s installed you will be prompted to install a printer The following procedure 1s a general overview of how to add a printer The actual menus and sequence may vary Anritsu M52781 Before you can perform printer related tasks such as page setup or printing a document you 9 ss need to install a printer Do you want to install a printer now Figure 2 29 Anritsu MS2781 Add Printer Dialog 2 24 MS278XB OM Preparation for Use Connecting External Devices Pressing Yes will initiate the Windows Add Printer Wizard shown below Add Printer Wizard Welcome to the Add Printer Wizard This wizard helps you install a printer or make printer connections 1 IF you have a Plug and Play printer that connects through a USB port or any other hat pluggable part such as IEEE 1394 infrared and so an vau do not need to use this wizard Click Cancel te close the wizard and then plug the printer s cable into pour computer ar point the printer toward your computer s infrared port and turn the printer an Windows will automatically install the printer For pau Ta continue click Next Cancel Figure 2 30 Add Printer Wizard If you are installing a network printer continue with the Wizard as described below Otherwise 1t is recommended that you follow the manufacturer s installation instructions for your printer Add Printer Wizard Local or Network Printer The wizard needs ta know which type of printe
189. n dio ERR Reid que ace we dee iat aue oh cid 1 3 Software AFCBITeDIUEG tar uon ee oe aoo reddes e male Ae RS kee ddr Gus 1 4 External Interfaces ado de Or BHL Ee ED id SER Sa tc ia dnd ER eR a 1 5 Iderific atop Number siria MET AENUNE que Rte Do epa d bie 1 5 Options and Accessories id SUR efl orton moe eis ol Dn e et oS On aed NOR d Be 1 5 1 3 Preventive Malntenah6e sirios AAA re 1 6 Cleaning the TouchiSereelr s dod Snc cede cae osos e deste ecd iue soo ge beac dA 1 6 Operating System Integrity aaa a RI IIR 1 6 ADBVIis FTOIBGCUODHss acidi usos ai deat Gees aiii sica addc ar dad 1 6 WINdOWS Updates alcaide td me tn t De eto QR dn d db ios 1 6 Operating System Backup and Recovery 0 0 cc ee ee eee 1 7 Replacing the Bine FUSES 53 bd debet adr dy dues tect Ud ie oir od Dat ee dite a d e dod dec 1 8 Menal BOO us s A codice o toam antec raton a e 1 8 Chapter 2 Preparation for Use 228 MOULIN iu da aaa uro SII Rb boten obe Tet oh ep Eos oM NE oda quearis Sec A 2 1 2 2 Operating Environment iade Truke i a E rh 2 1 2 9 Power REGUIFEMEING aao rale bx o e Or o dee ate AA A AAA 2 1 2 4 Whbacking the PrOguel ucl dascac asa pacte 3d A RES eden Sp o er diia 2 2 Initial IF Spe HOLD ur to Sy More rU Caf DE Cie S co sU SES o tt Ue ea ac act et V edt au sa 2 2 Package Contents edu iiu uem m de a db nua tur sedute icti s dedu e ere perge 2 2 2 5 ASSEMDIY ODUONAl 2o rico ve orae Qm o ehe etd ar ale Sida AA 2 3
190. n or off press the Off On button Y Delta Markers are not available E a Marker n us Set the active marker s time by pressing in the Marker n us parameter field where n is the active marker s number and entering a value using the numeric Normal Delta keys When a new value is entered the terminator fly out will appear with Enter or Markerifus Cancel The rotary knob or Up down arrow keys may also be used to increment the EDS marker value The marker s value is displayed in the field below Marker n us and on the graticule All Markers Off display All Markers Off Press the All Markers Off button to deactivate all of the markers TPC RACH Zoom Edge 7 TPC RACH Zoom Edge Press the Leading Trailing toggle button to select between the leading or trailing edge This button is only available when Both Edges are selected j Leading Trailing 4 1 MS278XB OM O Front Panel Menus Menu Archive Table 4 9 Marker Select Menu Modulation When in the WCDMA measurement mode with the Code Domain Power Error graph Measurements type selected the following marker selections are available Refer to the WCDMA Graph Type Dialog on page 4 48 for information on setting graph types Marker Select A i Active Marker To select the active marker press on the Active Marker field and select a marker from the fly out menu Active Marker Marker n Code Q SF Set the Code Number Spreading Factor by pressing in the Marker n
191. n windows and shows the desktop Inverse Video The Inverse Video selection inverts the video colors of the graph area This is useful to enhance the contrast between certain colors and for extracting graphical data to display in print format Message Log Selecting Message Log opens the instrument message log on page 3 35 MS278XB OM 3 13 Graphical User Interface Overview Front Panel Instrument Overview The Front Panel drop down menu provides access to all of the instrument s main menus and sub menus This 1s useful when the instrument is being accessed via the remote desktop feature File View Mz Tools Help Frequency Amplitude Bandwidth Marker Measurement Trace Display Y Sweep Trigger File System MATLAB Preset Help Figure 3 10 Front Panel Drop down Menus Refer to the following for more information Frequency Main Menu on page 4 4 Amplitude Main Menu on page 4 7 Bandwidth Main Menu on page 4 10 Marker Main Menu on page 4 13 Measurement Main Menu on page 4 19 Trace Main Menu on page 4 23 Display Main Menu on page 4 25 Sweep Main Menu on page 4 27 Trigger Main Menu on page 4 29 File Main Menu on page 4 35 System Main Menu on page 4 31 MATLAB Setup Dialog on page 4 57 MS278XB OM Instrument Overview Graphical User Interface Overview Tools The Tools drop down menu provides access to the Customize Tool Bar dialog and MATLAB The Tools drop down menu can be quickly accessed using the Alt T keybo
192. net Internet Explorer Paint P Remote Desktop Connection d Windows Movie Maker a i System Information Microsoft Excel x 4 Motepad P All Programs gt a i 4 My Recent Documents er am002967 on BLEE410 la Anritsu Network E Control Panel Sy Set Program Access and Defaults Si Administrative Tools k ud Connect Ta a Printers and Faxes Help and Support yo Search 37 Run P Log Off o CENTS Figure 2 16 Start Menu 2 16 MS278XB OM Preparation for Use 2 From the Control Panel select Network Connections E Control Panel File Edit Tools Help View 2 ya Search gt Folders Favorites Oo Back Address ess Mame V Control Panel A fb Accessibility Options TE Add Hardware G Switch to Category View Add or Remowe Programs 43 Administrative Tools 2 Date and Time See Also EL Dispi ay 62 Folder Options 5 Fonts Game Controllers Dinternet Options ota Keyboard O mail e Mouse AMetwork Connections ls Phone and Modern Options Th Power Options Printers and Faxes Program Download Monitor b Windows Update Help and Support Comments Adjust your computer settings Fc Installs and troubleshoots hardy Install or remove programs and Configure administrative settings Set the date time and time zon Change the appearance of your Customize the display af Files anc Add change and manage fonts Add remove and c
193. nstrument s hard drive Adobe Acrobat Reader e MATLAB A special demo version is copied onto the hard disk and requires installation Hard Disk Configuration One Primary Partition This 1s the default booting partition One Recovery Partition This contains a backup of the main partition that can be used to restore the main partition if the main partition becomes corrupted This is set up to be as small as possible about 5 extra space is allocated in addition to the space consumed by the Recovery utility 2 8 MS278XB OM Preparation for Use Configuration Analyzer Configuration This section describes how to determine which instrument options are installed or are available for installation Start by selecting Options from the Tools drop down menu shown below File View Front Panel Tools Help Customize ToolBar MATLAB Instrument Options Figure 2 5 Tools Drop down Menu This displays the Options dialog box below which lists the installed options and their availability HOptions GPIB Interface Option 3 30 MHz Demodulation Bandwidth Option 22 WCDMA Modulation Analysis Option 30 QAMIPSK Modulation Analysis Option 38 WIMAX Modulation Analysis Option 41 Phase Moise Measurement Option 52 Connectivity to MATLAB Option 40 Figure 2 6 Options Dialog If an option is installed it will be listed as Installed If the option is not installed it will be listed as Install Now If the option 1s not
194. ntation This manual is one of a three part series containing the following e MS278XB Operation Manual Part Number 10410 00273 e MS278XB Programming Manual Part Number 10410 00274 e MS278XB Maintenance Manual Part Number 10410 00275 Conventions Throughout this manual the terms MS278XB and analyzer will be used interchangeably to refer to the instrument The term DUT 1s used in place of device under test Path names may be used to represent the keystrokes and button presses for a desired action or procedure The path name generally begins with a front panel key keyboard key or main menu icon selection followed by additional sub menu selections each separated by a vertical line Front panel key names and menu selections are presented in the manual as they are on the system that is in initial caps all uppercase letters or with symbols as appropriate MS278XB OM 1 1 Product Description General Information 1 2 Product Description The Signature Signal Analyzer is a single instrument that integrates state of the art spectrum vector signal and digital modulation analysis into one easy to use instrument It incorporates the following capabilities Highly accurate spectrum measurements covering the range of 100 Hz to 8 GHz in a single band Vector measurements of modulated signals up to 30 MHz bandwidth Modulation and signal quality measurements of cellular and WLAN signals at the press of a button Multiple sweep and detector mo
195. nts Integrated MathWorks Computational Components Flow of Events The flow of events begins with the a Signature based measurement followed by the integration of a MathWorks based computational component Once the measurement is created select a MathWorks based computational component to integrate and then select the target data sets for computation Finally select the desired graphical measurement results 1 Selecting the Computational Component In this step you are presented with a list of computational components installed in the system Each computational component provides a name brief description file name along with a visual cue relating to its computational environment MS278XB OM 6 1 Signature MathWorks Connectivity Option 40 only Software Peripherals 2 Selecting the Target Parameters for Computation To facilitate usage of external computational tools Signature provides a list of measurement related parameters as well as acquisition data For Spectrum type measurements you may choose from the following parameters to export into the MATLAB environment Center Frequency e Span Frequency Resolution Bandwidth e Video Bandwidth Reference Level e Attenuation e Sweep Time and Time Span For Vector Signal Analysis measurements you may choose from the following parameters to export to the MATLAB environment Center Frequency e Sampling Frequency 3 Selecting the Target Data sets for Computation
196. o MATLAB 1s established a Desktop Window 1s launched as shown below Note If you do not see the normal desktop you can restore it by clicking on Desktop Desktop Layout Default File Edit Debug Desktop Window Help D gt Ba me oc p rj p Current Directory c matlab v f Shortcuts 2 Howto Add 7 What s New a x Command Window i mi t m cs Nb Stack Name Value Class FE Signature Setup Data 1x1 struct struct E Signature Sync 1x1 struct struct EA Signature Tracet 1x501 double double Current Directory Workspace are cd dir cd toolbox cd cd cd c Nmatlab 7 cd c signature Dependencies dir 11 11 04 5 09 PM 11 11 04 5 10 PM cd dir cd matlab7 work 11 12 04 2 03 PM v lt gt Figure 6 2 MATLAB Main Interface The Main MATLAB Interface has three sub windows Workspace This shows information about MATLAB variables Note the tab selection to show either the Workspace or the current directory Command History This shows the command history You can double click on a command to execute 1t or single click to copy and then paste in the command window for editing e Command Window This is where you type commands You can do math plot graphs or start programs The Workspace contains variables data from the Signature software Signature can output a variety of data to MATLAB to enable users to do their own measurements or analysis These outputs
197. og MS278XB OM End Frequency Type Y End Amplitude Type Next Save Defining a spectrum mask consists of entering the available mask definitions provided on the Define Spectrum Mask dialog Once the mask is defined press Save to save the mask Apply the mask as previously described 4 45 Parameter Entry and Measurement Setup Dialog Archive Front Panel Menus VSA Modulation Parameters Setup Dialog The VSA Modulation Parameters dialog allows you to specify the modulation setting for your measurement Modulation Tab Y54 Modulation Parameters Modulation Advanced Modulation Settings Filtering Format Filter Type OPSK Root Myquist Svmbol Rate Rolkoff Factor a 3 84 MHz 0 22 Capture Time 666 666667 us Figure 4 19 VSA Modulation Parameters Dialog 4 46 Modulation Settings Format BPSK Binary Phase Shift Keying QPSK Quadrature Phase Shift Keying default Pi4QPSK Pi 4 Quadrature Phase Shift Keying 8PSK Octet Phase Shift Keying 3Pi8PSK 3Pi 8 Phase Shift Keying 16QAM 16 Value Quadrature Amplitude Modulation 32QAM 32 Value Quadrature Amplitude Modulation 64QAM 64 Value Quadrature Amplitude Modulation 128QAM 128 Value Quadrature Amplitude Modulation 256QAM 256 Value Quadrature Amplitude Modulation Symbol Rate Sets the symbol rate for the measurement Range 10 kHz to 20 MHz Default 3 84 MHz Capture Time Sets the length of the time during which samples a
198. oi de Regit e al ate drin Doe d 3 7 N meric and Gursor Keys cs e RARE EXE Hee oe PRESE PEE SP E 3 8 COMES mi O as tado io caos Be Cs 3 9 DVD ROM CD RW Brive 222 ba a A ARA 3 10 Manually Ejecting the DVD ROM CD RW Drive Tray 0 0000 eee 3 10 ii MS278XB OM Table of Contents Continued 3 3 Graphical User Interface Overview llle 3 12 Drop down Menu Bar 3 13 A II Sete ahaa hee ete See 3 13 pp uc Selec et DE Sa as 3 13 Front Panel euros wh ne Soh AE RR ee ae ee a e E oes 3 14 TOO Siberia toba diarias pate 3 15 nn ued Arg al dk E ei E AA dearer S 3 15 Man Men src EC ye Tm 3 17 Sub menu Trees 3 19 Entering Data and Fly out Menus liliis 3 19 Toggle BUULONS REDIT CETTE TOIT TET OLI 3 23 Drop down Selection Menus o oooocococon en 3 24 Parameter Entry and Measurement Setup Dial09S oooooooooooo 3 24 Alpha Numeric E nltby su ag uad d Bate Sia re Re ot CE ede Dom o ede Hey eb t Xo 3 25 eir MPH rrr 3 26 Spectral Analysis Graticule Displays llle 3 26 Data DIS Sra RA RA EA A hl 3 28 Vector Signal Analysis Graticule Displays o o ooooooooonooo oo 3 30 Instrument Messages and Status Bar 1 0 ene 3 35 General Status Messages vu ira go el ads Goes Yl Le eger ha gem ea ek ees 3 35 Warning Messages iii Ed acd n Br co at id eu C ede Cg aL eoe d 3 35 Calibration Nesse Sre a acia iaa atada 3 35 External Keyboard Hot
199. ok like QPSK As additional codes are added the constellation gets more complex This constellation 1s of Test Model 2 which is a fairly simple signal where only 7 codes are being transmitted out of a total possibility of 256 or even 512 codes Composite Constellation Slot 1 ATT 14 00 dB REF 4 00 dBm E Center 2 140000000 GHz ae D 76 IQ Offset 57 96 dB Total Power 5 28 dBm Max Composite EWM 2 00 o Freq Err 441 80 Hz SCH Power 15 24 dBm Peak CodeDomain Error 56 75 dB Amp Err 0 53 P SCH Power 18 22 dBm EvMPeakPos B5 Phase Err 0 31 deg S SCH Power 18 29 dBm Scramble Cade O Rho 0 999930 Figure 5 32 Composite Constellation with Summary Table of a Test Model All of the summary measurements shown for QPSK are available Additional summary measurements such as Peak Code Domain Error a required measurement Rho and a variety of power measurements such as total power and the power in the Synchronizing channel SCH are also available To perform a composite measurement on the uplink signal check Uplink on the Base Station User Equipment button in the WCDMA Graph Type dialog on the Composite tab MS278XB OM 5 55 Modulation Measurements Measurements Single Code Measurement The next class of modulation quality measurements focuses on a single WCDMA code This is again very similar to the QPSK and Composite measurement selections but with a few significant differences Instead of an optional summary
200. on carefully before operating the equipment Symbols Used in Manuals Danger This indicates a very dangerous procedure that could result in serious injury or death or loss related to equipment malfunction if not performed properly Warning This indicates a hazardous procedure that could result in WARNING N light to severe injury or loss related to equipment malfunction if proper precautions are not taken Caution This indicates a hazardous procedure that could result in loss related to equipment malfunction if proper precautions are not taken Safety Symbols Used on Equipment and in Manuals The following safety symbols are used inside or on the equipment near operation locations to provide information about safety items and operation precautions Ensure that you clearly understand the meanings of the symbols and take the necessary precautions before operating the equipment Some or all of the following five symbols may or may not be used on all Anritsu equipment In addition there may be other labels attached to products that are not shown in the diagrams in this manual This indicates a prohibited operation The prohibited operation 1s indicated symbolically in or near the barred circle This indicates a compulsory safety precaution The required operation 1s indicated symbolically in or near the circle This indicates a warning or caution The contents are indicated symbolically in or near the triangle T
201. on Verification Swept Resolution Bandwidth The following test can be used to verify that the MS2781B 1s within its Swept Resolution Bandwidth Accuracy specifications Test Setup Connect the equipment as shown in the figure below 10 MHz Reference Input 10 MHz Reference Output T E l 34NKF50 MS278X Signal Analyzer N m to K f MG369XB Signal Generator Adapter i 3 dB Fixed 3 dB Fixed fi Attenuator Attenuator Coaxial Cable Figure 5 51 Equipment Setup for Swept Resolution Bandwidth Test Test Procedure I 2 Set up the instruments as shown in Figure 5 51 Turn on both the MS2781B Signal Analyzer and the MG369XB Signal Generator and allow them to warm up for one hour Press the Preset key on the MS2781B to reset the instrument to factory default state Set the MS2781B to use External Reference signal Set the output level of the MG369XB to 6 dBm Set the output frequency of the MG369XB to 100 MHz CW Set up the MS2781B as follows a Reference Level 0 dBm b Attenuation Auto c VBW Auto d Center Frequency 100 MHz cet the Span Frequency and the RBW on the MS2781B to the values listed in the first row of Table 5 6 On the MS2781B set Peak to CF 10 E Set the MS2781B to measure 3 dB OBW Verify that the measured OBW is within specifications listed in Table 5 6 MS278XB OM 5 79 Operation Verification Measurements 12 Repeat steps 9 through 12 for the other combinat
202. on allows you to select a measurement standard that automatically configures all of the measurement parameters To select a measurement standard press on the Standard button and select the desired standard from the fly out menu Graph Type Opens the WCDMA Graph Type Dialog on page 4 48 Setup Opens the WCDMA Setup Dialog on page 4 51 4 21 Menu Archive Front Panel Menus Table 4 13 Measurement Menu WiMAX Measurement Type Measurement A Measurement Type 200 WIVIAX Modulation Generic Graph Type Setup Un a e CL ze Phase Noise Measurement Type Measurement Measurement Type amp Phase Noise Generic Graph Type Setup Ln ti A a e rif dii WiMAX Measurement Type To change the measurement type press on the Measurement Type button and select one of the following measurement types from the fly out menu Spectrum Selects the spectrum analysis mode see above RF Selects the RF measurement mode see above QAM PSK Selects the modulation measurement mode see above WCDMA Selecis the modulation measurement mode WiMAX Launches the WiMAX Analysis application requires Options 22 and 41 Phase Noise Launches the Phase Noise Measurement application requires Option 52 The WiMAX measurement selection launches the WiMAX Analysis application in a separate window Refer to the Signature Option 41 SignalLab WiMAX Analysis Software User Guide par
203. on by clicking Start Programs or All Programs Accessories Communications Remote Desktop Connection Internet Internet Explorer Paint 9 Remote Desktop Co Measurement amp Auta Windows Movie Makg System Information P Microsoft Access All Programs Figure 7 2 Starting a Remote Desktop Connection Accessories A Administrative Tools m Games Fi Microsoft Office Tools Fi Network Associates m PrintMe Internet Printing m Startup Fi Ultimatezip 2 7 lx Adobe Reader 6 0 Fi National Instruments 4B Internet Explorer Microsoft Access Microsoft Excel Microsoft FrontPage Microsoft Outlook Microsoft PowerPoint Microsoft Word YI MSN Explorer 5 Outlook Express y Remote Assistance ES Windows Journal Viewer B windows Media Player 3 Windows Messenger WS Windows Movie Maker Log Off Shut Down al bd bd bd bd v A Accessibility 77 Communications e Entertainment e System Tools w Address Book j Calculator Command Prompt Notepad Y Paint Program Compatibility Wizard Synchronize 2 Tour Windows XP L3 Windows Explorer A WordPad HyperTerminal Network Connections Network Setup Wizard New Connection Wizard Remote Desktop Connection 2 This opens the Remote Desktop Connection dialog shown below TE Remote Desktop Connection Computer y Cancel Help Options Figure 7 3 Remote Desktop Connection Dialog 3 Type t
204. onfigure qarr Configure your Internet display Customize your keyboard setting Microsoft Outlook Profiles Customize your mouse settings Connects to other computers ne Configure your telephone dialing Configure energy saving setting Shows installed printers and Fax Manages downloading of System Y Regional and Language Options Customize settings For Ehe displa lii Figure 2 17 Control Panel gt Remote Interface Setup Note If your connection already exists and just needs to be modified skip the next steps and proceed to Step 11 MS278XB OM 2 17 Remote Interface Setup Preparation for Use 3 In the Network Connections window under Network Tasks on the left pane select Create a new connection Network Connections File Edit View Favorites Tools Advanced Help Address e Network Connections Name Network Tasks LAN or High Speed Internet Create a new connection Disable this network device Local Area Connection LAN or High Speed Inte d Repair this connection i Rename this connection E View status of this connection Change settings of this connection Other Places g Control Panel a Anritsu Network My Documents E am 023967 on BLEE410 Figure 2 18 Network Connections 4 The New Connection Wizard guides you through the new connection setup Press Next to continue Mew Connection Wizard Welcome to the New Connection e Wizard This wizard helps po
205. p Dialog Archive Front Panel Menus Other Tab WCDMA Graph Type Composite Code Domain Code Domain Other Single Channel Sync Channel SCH Random Access Transmit Power Channel RACH Control TPC SCH Summary RACH Power vs Transmit Power Time vs Time Slot number for SCH data hits RACH Power vs Transmit Power vs li Time with Zoom Time with Zoom Full Slot Full Slot Summary Y Off On Preamble Number for RACH Zoom Base Station User Equipment Downlink Uplink Figure 4 20 WCDMA Graph Type Dialog 4 50 The following graph types can be selected for additional Downlink measurements Sync Channel SCH Summary and Slot Number for Data Bits Transmit Power Control Transmit Power vs Time with Zoom select Full Slot Leading Edge Trailing Edge or Both Edges The following graph types can be selected for additional Uplink measurements Random Access Channel RACH Power vs Time RACH Power vs Time with Zoom select Full Slot Leading Edge Trailing Edge or Both Edges Summary Preamble Number for RACH Zoom Transmit Power Control Transmit Power vs Time with Zoom select Full Slot Leading Edge Trailing Edge or Both Edges Base Station User Equipment Uplink or Downlink MS278XB OM Front Panel Menus WCDMA Setup Dialog Parameter Entry and Measurement Setup Dialog Archive The WCDMA Setup dialog allows you to specify the WCDMA settings for your measurement Acqui
206. pt Result Sweep Script Result will be shown here Input Wideband Diff I Q Impedance MATLAB HandShake Y MATLAB HandShake Y Of On Off On Signature _Control StartSweep Starts Sweep from MATLAB Signature _Control StartSweep Starts Sweep from MATLAB Close Close Figure 6 1 MATLAB Setup Dialog 2 Toggle the Connect to MATLAB button to On setup information is always sent when you select Connect to MATLAB and close the dialog 3 If you want to send the IQ data to MATLAB rather than the trace data select the advanced tab and toggle IQ Data to On Note When sending IQ Data to MATLAB the MATLAB Setup dialog must be left open The active traces can come from a variety of measurements including spectrum swept or FFT zero span constellation or vector diagram For the I Q vector output you need to configure the sample rate record length IF bandwidth whether the input comes from the RF or I Q if available and the Wideband IF anti aliasing filter Note Other hardware settings will be done elsewhere These settings include e Center Frequency Span 0 e Reference Level and Attenuation e Trigger Source Level and Position e Sweep Single or Continuous 4 After a few moments you will see a MATLAB window Click on the MATLAB window or use Alt Tab to make it the active window MS278XB OM 6 3 Signature MathWorks Connectivity Option 40 only Software Peripherals MATLAB Control Once the connection t
207. r RMS 8 Connect the output of the low noise signal generator to the input of the MS2781B with a coaxial cable and an adapter 9 Set Span to 250 Hz and RBW to 10 Hz MS278XB OM 5 81 Operation Verification Measurements 10 11 12 13 14 15 16 17 18 19 Table 5 7 Offset 100 Hz 1 kHz 10 kHz 100 kHz 20 21 22 23 On the MS2781B set Peak to CF and then set Peak to Reference Level Set the MS2781B to Single Sweep mode press the Sweep button and then wait for the 200 sweeps to complete Turn on Marker 1 and Marker 2 Make Marker 2 as delta marker referenced to Marker 1 Move Marker 2 to the first offset frequency from the carrier frequency Record the marker reading in the measured dBc column Calculate the normalized phase noise using the formula in the Calculated Phase Noise column Verify that the calculated value 1s within specification On the MS2781B set Span and RBW to the next set of values in Table 5 7 Press the Sweep button to initiate a sweep Move Marker 2 to the next offset frequency Record the delta marker reading in the Measured Carrier to Noise Ratio column Calculate the phase noise and verify that the value is within specification Repeat steps 15 through 18 for the rest of the offset frequencies listed 1n Table 5 7 Single Sideband Phase Noise Test Measured Carrier to Noise Ratio Calculated Phase Noise Specification RBW C N dBc dBc Hz dBc Hz 2 5
208. r Panel Control Calibration Frequencies StepSize And Offset Touch Screen Measurement Measurement Y Sweep Menu File Menu Marker Menu VW Marker System Information Configuration Marker Select Y y Remote Control Marker To gt Y a Service Marker Config Y Display Lines Y Figure 3 14 Graphical List of Menus Only one sub menu can be expanded as needed by pressing the sub menu header When a new sub menu 1s expanded the previous sub menu automatically collapses The sub menus have a generalized behavior that 1s common throughout the system This behavior 1s described 1n the following paragraphs for each type of menu control Entering Data and Fly out Menus Data parameter entry fields such as center frequency or reference level are accessed by pressing 1n the parameter field Pressing in a parameter field makes it active and is indicated by a shaded background with a blinking cursor When new menus are accessed the default parameter field 1s automatically made active The active parameter field s value can be incremented by using the rotary knob for fine steps or the increment keys for coarse steps that follow the 1 2 3 5 convention Numerical data can also be entered directly by using the keypad once the parameter field is made active When data 1s entered a Fly out menu flies out offering a variety of appropriate units selections or a terminator operation such as Enter or Cancel Fly out menus
209. r to set up Select the option that describes the printer you want to use Local printer attached to this computer Automatically detect and install my Plug and Play printer To set up a network printer that i not attached to a print server use the Local printer option Cancel Figure 2 31 Add Printer Wizard MS278XB OM 2 25 Connecting External Devices Preparation for Use 1 Select the network radio button and press Next Add Printer Wizard Specify a Printer IF veu don t know the name or address of the printer pon can search for a printer that meets pour needs What printer do you want to connect to Connect to this printer or to browse for a printer select this option and click Next M ame Example server printer Connect to a printer on the Internet or on a home or office network URL Example http server printers muprinter printer Figure 2 32 Add Printer Wizard 2 Enter the name and location of your network printer or select Browse for a printer then press Next 2 Find Printers File Edit View Help In ES Entire Directory Printers Features Advanced Names Stop eon Clear All E Mame Location gf moh prt 118 12C 2nd floor ACCT ES 126 MMDMETG HP J PCL 8 moh prt 104 126 MMO RICOH Aficio 350 355 PCL 6 gf moh prt 103_Ps 12B MMDCMFG HP LaserJet 8000 Series PS Cii mah p
210. rE256 COP 9 99 dB Md Scramble CoderPrimaryh 262143 Code 0 Center 2 140000000 GHz Code 255 CDP Zoom Code 0 Code 15 Type Spread Factor CDP Abs CDP Rel Figure 5 24 Code Domain Power for Test Model 1 with Zoom and Summary Table MS278XB OM 5 47 Modulation Measurements Measurements Code Domain Error Measurement Signature can display the Code Domain Error with an optional zoom window or an optional summary table or both In each case the absolute power in each active code 1s shown Below 1s the graph type selection dialog WCDMA Graph Type ode Domain Code Domain Power Single Channel Code Domain Measurements Power or Error Vs Code Code Domain Code Domain Error Power Code Domain Code Domain Error Power with Zoom with Zoom Summary Y off Base Station User Equipment Y Downlink Uplink Figure 5 25 Code Domain Power Graph Selection Dialog 5 48 MS278XB OM Measurements Modulation Measurements The CDE graphs shows the error of each code and is similar to the EVM of each code but it 1s in dB Code Domain Error Slot 1 ATT 10 00 dB REF 0 00 dBm Scramble Code Primary O Code 0 Code 15 Type Spread Factor CDP Abs CDP Rel Figure 5 26 Code Domain Error of Test Model 2 MS278XB OM 5 49 Modulation Measurements Measurements QPSK Measurement The next class of modulation quality measurements 1s when you don t have a full WCDMA tr
211. rate must be lt 5 X 107 per day Table 5 3 Reference Oscillator Aging Rate Starting Date and Time otarting Frequency F1 Ending Date and Time Ending Frequency F2 Aging Rate F1 F2 5 74 MS278XB OM Measurements Operation Verification Frequency Readout Accuracy The following test can be used to verify that the MS2781B is within its Frequency Readout Accuracy specifications Test Setup Connect the equipment as shown in the figure below 10 MHz Reference Input 10 MHz Reference Output e Jo O e e e o god MS278X Signal Analyzer i NOE MG369XB Signal Generator Adapter 3 dB Fixed 3 dB Fixed j Attenuator Attenuator l Coaxial Cable Figure 5 49 Equipment Setup for Frequency Readout Accuracy Test Test Procedure 1 Set up the instruments as shown in Figure 5 49 2 Turn on both the MS2781B Signal Analyzer and the MG369XB Signal Generator and allow them to warm up for one hour Press the Preset key on the MS2781B to reset the instrument to factory default state Set the MS2781B to use External Reference signal Set the output level of the MG369XB to 6 dBm Set up the MS2781B as follows a Reference Level 0 dBm b Attenuation 10 dB c VBW Auto d Sweep Time Coupling Accy o OU A U 7 Set the output frequency of the MG369XB and the center frequency of MS2781B to the first freq listed in Table 5 4 8 Set the MS2781B to the first corresponding RBW and Span Frequency per Table
212. rce Trigger Level 0 dem Slope Y Rising Falling Trigger Delay o ms 4 30 Trigger Source To change the trigger source press on the Trigger Source button and select the trigger source from the fly out menu selections listed under Trigger Level below Free Run No Settings Video Range Reference Level to Reference Level 10 Scale Div Resolution 0 1 dB Default Reference Level 0 5 10 Scale Div The following unit terminators are supported when the appropriate amplitude units are selected dBm dBmV dBuV W mW uW nW pW fW aW V mV uV nV pV IF Power Wide BW Range 10 dBm to 50 dBm Attenuator Value Resolution 1 dB Default 10 dBm Attenuator Value The following unit terminators are supported when the appropriate amplitude units are selected dBm dBmV dBuV W mW uW nW pW fW aW V mV uV nV pV External TTL Level 1 4 V cannot be changed External Range 10V to 10V External Resolution 100 mV Default TTL 1 4V Terminators V mV Cancel Line Settings are not available Trigger Level To set the trigger level press in the Trigger Level parameter field and enter a value using the numeric keys When a new value is entered the terminator fly out will appear with the available units Press on the desired units to terminate the entry Slope To change the trigger slope press on the Slope button to toggle between Rising edge or Falling ed
213. re captured Range 1s to 5 us Terminators us ms s ks Cancel Constrained by the following 10 000 Symbol Rate x Capture Time 100 Filtering Filter Type Selects from the following receiver filters Low Pass Nyquist Root Nyquist default Rolloff Factor Sets the roll off factor for the measurement Range 0 1 to 1 0 in steps of 0 01 Default 0 22 MS278XB OM Front Panel Menus Advanced Tab YSA Modulation Parameters Modulation Advanced Trackina Ranae Input Wideband Es On RF Input Differential Data Encoding Impedance 4 i Off On Figure 4 19 VSA Modulation Parameters Dialog Parameter Entry and Measurement Setup Dialog Archive Tracking Range Toggles the tracking range on or off Input This button opens a fly out menu with the following input sources Wideband RF Input Narrowband HF Input Wideband Single l Q Input Wideband Diff 1 Q Input Cancel Differential Data Encoding Toggles differential encoding off or on Impedance Toggles the input impedance between 50 or 1 MQ The input must be changed to Single or Diff I Q before the input impedance can be changed MS278XB OM 4 47 Parameter Entry and Measurement Setup Dialog Archive WCDMA Graph Type Dialog Front Panel Menus The WCDMA Graph Type dialog lets you select the graph type display for your measurement QPSK Tab WCDMA Graph Type Code Domain Code Domain Power Single Channel QPSK Measurements
214. reHelpSystem L WebWorks Projects cpu OW d Ir UE Favorites EJ Er File name rl Open l My Metwork Places Files of type ial All Files All Microsoft Excel Files xI ode ode htm html Microsoft Excel Files xI do slay xle xlm xlc EL rina nal itr Loon nen c ceca e EO A EEEE noo conc nca cann Figure 6 6 Selecting the File Type in Excel MS278XB OM 6 7 Microsoft Applications Software Peripherals 3 The data 1s 1mported into Excel as shown below ES Microsoft Excel Tracebata csv E File Edit View Insert Format Tools Data Window Help Adobe PDF c EG Slay BBM 0 00 34X r 5 Arial zio IMA SS ch x ET TY TY J fe ER SPA aa Center Freg 100Mm1Hz 4 Span Freg 20kHz 5 Start Freq ga Sanz MHz B Stop Freq 100 01 MHz Reference Level OdbBm 8 RF Attenuation 1008 8 REW 200Hz 10 YEW 500Hz SWT 2 55 12 Trace Number 1 13 Trace Mode ClearVvrite Detector Mode Normal Units dBrn 17 Point Max Mlin 84 7841 101 151 82 5813 99 5456 99 5224 101 45 97 1629 105 463 98 745 106 79 95 6575 99 5593 OA 14219 1410 42 E O1 Ch ER CO ha Figure 6 7 Signature Data Imported Into Excel Note Frequency information must be calculated by using the center frequency and frequency span information along with the number of samples 501 Importing the Trace Data to Access 1 Open
215. rious Response e Input related Spurious Response Refer to the Required Equipment list before beginning these verification procedures Note Specifications listed in this section are for reference only and should be verified with the Signature Datasheet part number 11410 00396 The most current revision can be downloaded from the Documents area of the Anritsu Internet site http www us anritsu com Required Equipment Table 5 2 lists the equipment used throughout the verification procedures Table 5 2 Required Equipment Instrument Critical Specification Recommended Manufacturer Model Frequency Standard Frequency 10 MHz Symmetricom Model 9390 9600 Accuracy 5 x 10712 parts day Synthesized Signal Frequency Range 10 MHz to 8 GHz Anritsu Model MG3691B with Generator Ultra Low Phase Noise Options 2A 3 4 16 Synthesized Signal Frequency Range 10 MHz to 6 GHz HP 8665B Generator Spurious Performance lt 85 dBc Adapter N m to K f Anritsu Model 34NKF50 Adapter Ruggedized K m to N f Anritsu Model 34RKNF50 Attenuator K m to K f Anritsu Model 43KB 3 Frequency Range DC to 8 GHz Attenuation 3 dB Attenuator N m to N f Weinschel Model 1 3 Frequency Range DC to 8 GHz Attenuation 3 dB Attenuator N m to N f Weinschel Model 4410 Frequency Range DC to 8 GHz Attenuation 10 dB Cable N m to N m Any Frequency Range DC to 8 GHz Impedance 50 Q MS278XB OM 5 71 Operation Verification Measurements Table 5
216. rite utn EORR S ees 4 24 Maxo 22er ee oe ada 4 24 Nin Hol area IT 4 24 OR BISnbk cts S noe Rad US gas 4 24 A E a ee 4 24 Tracesseleg rta deret ara 4 24 Trace States DELTO din reed pee Ee 5 14 rates UI MC r 4 24 Tracking Generator Port 3 9 Trackin Range venida aia da 4 47 Tre Mate pt a ums 3 42 A T 4 30 O ARA ADOS AR LIT 3 7 Men setas ai ie do be arate o 4 29 4 30 Triggering Configuring o o o 5 17 Type of ACP Measurement 4 39 of Channel Power Measurement 4 37 of Multicarrier Channel Power Measurement 4 42 Type SWeep A Ra 4 28 U Units Amplt tle daa a e cea 4 9 Uplink Branch of Marker 4 16 4 17 E buses Eu duree eeu ud e 3 42 Connector Pinout eese 9 46 V A EE ute E E NE EIE 4 11 WB W AR BW tee cire ri o debe retro Be cd 4 12 MS278XB OM Vector Graph Type o oooooooo oo 4 21 Verification of Operation 5 71 Video Bandwidth Setting 5 9 Video LESS 212325425 AAA AA 4 30 Video Inverse o oo o o 3 13 4 26 MINUM curs eheu d EM RM Uu Ud mI E M 4 24 View Desktop o ooooooooo o 4 26 View Drop down Menu 3 13 View PAS kK Oa sau cerae echte ada Ce a 4 26 VSA Graticule Overview 3 90 W Warm up Time eee 2 5 Warning Messages eee 3 95 WCDMA Crap Type 2180 Lhsa ROO dc RIA ATI 4 21 W
217. ritsu Web This menu selection opens Internet Explorer to the Anritsu Web site if an internet connection is available MS278XB OM 3 15 Graphical User Interface Overview Instrument Overview About Anritsu Signature The About Anritsu Signature dialog contains information about the analyzer s software provides a legal disclaimer and offers a link to the Window s system information file About Anritsu 1527814 Anritsu M52 7814 Version 3 10 Warning This computer program is protected by copyright law and international treaties Unauthorized reproduction or distribution of this program or any System Info portion of it may result in severe civil and criminal penalties and will be prosecuted to the maximum extent possible under the law Other product or brand names are trademarks or registered trademarks of their respective halders Figure 3 13 Help About Dialog 3 16 MS278XB OM Instrument Overview Graphical User Interface Overview Main Menu Bar The Main Menu bar contains a set of icons that access the analyzer s measurement and setup configuration sub menus Pressing an icon will refresh the sub menu tree with the related set of sub menus The Main Menu bar can also be customized to display the icons you use most often Each available icon 1s detailed in Table 3 5 below Table 3 5 Main Menu Bar Icon List Icon Description m Freq 3 Amp 4H Bw a Marker The Frequency icon opens the Fr
218. rt 101 PS 128 1st Floor HP LaserJet 8000 Series P S 8 moh prt 099 12C Purchasing HP LaserJet 8100 Series PCL 38 moh prt 088 126 First Floor Clean Room HP DeskJet 12200 Printer gf moh prt 063 12D CIS HP LaserJet 5 5M Standard 111 item s Found Figure 2 33 Find Printers Dialog 2 26 MS278XB OM Preparation for Use Connecting External Devices 3 Select the location of your network printer and press Find Now then select your printer from the list and press OK Add Printer Wizard Completing the Add Printer Y Wizard 7 rou have successfully completed the Add Printer Wizard fou specified the following printer settings Mame moh prt 111 on mah pss DUT Default Yes Location 128 MMOMETG Comment HP Color Laserdet 5500dn next ta viewpoint conference room Ta close this wizard click Finish Figure 2 34 Add Printer Wizard 4 Press Finish to complete the Add Printer Wizard Connecting an External USB Device The external USB interface is a standard Type A USB connector that supports the USB 2 0 standard Signature can interface with a variety of external USB devices such as a keyboard mouse printer scanner drive or camera The USB interface offers the same behavior that 1s typically experienced in the Windows environment You may connect your USB devices as directed by the manufacturer s instructions Note A USB mouse may require a hot connection while the instrument is in the Operate mode with the
219. s Below is an example of the summary table showing the bit stream of a high speed channel in binary In this case you can see about 2 5 slots on the display Figure 5 37 Single Code Summary Table of HSDPA Bit Stream in Binary 5 60 MS278XB OM Measurements Modulation Measurements Single Code with Compressed Mode Measurement The final class of measurements 1s of Single Codes in Compressed Mode We are calling this a separate class as there are a number of significant distinctions from the usual single code measurements This example is of the Code Power vs Slot overview but with the maximum capture time selected eight frames or 120 slots The signal being measured is periodically compressed as can be seen near the marker Single Ch COP vs Slot Code 9605F 128 Code 4805F 64 Compressed ATT 10 00 dB EVM 130 32 Meri 29 Slot REF 0 00 dBm CarrierFregErr 12 20 Hz Trc1 47 44 dB Morrnal gt Mi Compressed _ Slot 1 Center 2 140000000 GHz Slot 120 Figure 5 38 Single Channel Code Power vs Slot MS278XB OM 5 61 Modulation Measurements Measurements For all other Single Channel measurements other than the Code Power vs Slot Overview you can choose either the Normal or Compressed display The measurement results will then be for the signal assuming that it is in the mode of the chosen Analysis Start and Length Single Ch Constellation Slot 1 Code 4805F 64 ATT 10 00 dB EVM 0 60
220. s Bar Warning Do not use sharp objects such as a pen or pencil to touch the screen as damage may result 3 12 MS278XB OM Instrument Overview Graphical User Interface Overview Drop down Menu Bar The drop down menus along the top of the screen conform to MS Windows standards They provide consistent application interfacing as that found in standard MS Windows applications In addition there are menu selections that allow you to activate the major minor functions found on the front panel assembly File View Front Panel Tools Help Figure 3 7 Drop down Menu Bar File The File drop down menu provides access to saving and recalling instrument setups exporting trace data opening Windows File Explorer or exiting the instrument application The File drop down menu can be quickly accessed using the Alt F keyboard combination HS View Front Panel Tools Help Recall Save File Explore Exit Figure 3 8 File Drop down Menus View The View drop down menu provides access to display control and facilitates access to the Windows Taskbar The View drop down menu can be quickly accessed using the Alt V keyboard combination File NS Front Panel Tools Help Taskbar Desktop Message Log Figure 3 9 View Drop down Menus Taskbar When you select Taskbar the Windows Taskbar will be displayed allowing you to access the Windows operating system and other third party software applications Desktop This menu selection minimizes all ope
221. s Ulis Cedex Telephone 016 09 21 550 FAX 016 44 61 065 GERMANY ANRITSU GmbH Konrad Zuse Platz 1 Muenchen 81829 Germany Telephone 089 442308 0 FAX 089 442308 55 INDIA MEERA AGENCIES P LTD 23 Community Center Kailash Colony Extension New Delhi India Telephone 91 11 6442700 FAX 91 11 6442500 ISRAEL TECH CENT LTD 4 Raul Valenberg St Tel Aviv 69719 Telephone 03 64 78 563 FAX 03 64 78 334 ITALY ANRITSU Sp A Roma Office Via E Vittorini 129 00144 Roma EUR Telephone 06 50 99 711 FAX 06 50 22 4252 KOREA ANRITSU CORPORATION LTD 8F Hyunjuk Building 832 41 Yeoksam Dong Kangnam Ku Seoul South Korea 135 080 Telephone 02 553 6603 FAX 02 553 6605 JAPAN ANRITSU CUSTOMER SERVICE LTD 5 1 1 Onna Atsugi shi Kanagawa Prf 243 Japan Telephone 046 296 6688 FAX 046 225 8379 SINGAPORE Anritsu Pte Ltd 60 Alexandra Terrace 02 08 The Comtech Singapore 118502 Tel 6 282 2400 FAX 6 282 2533 SOUTH AFRICA ETECSA 12 Surrey Square Office Park 330 Surrey Avenue Ferndale Randburg 2194 South Africa Telephone 27 11 787 7200 FAX 27 11 787 0446 SWEDEN ANRITSU AB Borgafjordsgatan 13 164 40 Kista Sweden Telephone 46 8 53470700 FAX 46 8 53470730 TAIWAN ANRITSU CO INC 7F No 316 Section 1 Nei Hu Road Taipei Taiwan R O C Telephone 886 2 8751 1816 FAX 886 2 8751 2126 UNITED KINGDOM ANRITSU LTD 200 Capability Green Luton Bedfordshire LU1 3LU En
222. s ad Miedo 4 28 Sweep Went suela aud Des acce dt Red 4 27 Sweep Mode in MATLAB Setup 4 58 Sweep DU pacas ta de desde ce de arra 3 42 Sweep Status Output o ooooo o 3 42 Sweep TTG 44 4 Sc erate im cca es uio 4 11 Sweep Time Coupling o ooo o 4 12 Sweep Time Setting llle 5 10 Swept sweep o ooo momo oo 4 28 Symbol Rate in Channel Power Setup 4 37 Symbol Rate Modulation 4 46 System O n 3 7 System Information Menu 4 32 SY Stent Men vcd Ca T c Dd ks 4 31 T Table Markets consista dr ems 4 18 Target Number of Samples 4 43 Target Number of Samples in CCDF 4 43 Taskbar View ici a E 4 26 Taskbar VIeWIDE c342324528 E GU UICE iaa 3 13 Time Sweep ud d Em c ea Re il daa 4 28 Toggle Buttons 64 oa xc 34a bw AE waa ed es 3 23 TO conta Gein deh does ecd Seat nah aks Ee ooh 4 20 Tools Drop down Menu 3 15 Touch Screen Calibration 4 26 Touch Screen Menu eese 4 26 Trace NO Datum aaa e a o E E 3 7 Trace AVerdplHP a E A a A Se cs 4 24 Trace Config Menu esee 4 24 Trace Data MOVIN nu uoi earn wee US Ru a tea 6 7 TOMO esper rE rere tot e ene 6 7 6 8 Trace Detector uud rin nr qoa er ero RU 4 24 MS278XB OM Trace Meni 5 4 tyre db Sab ata du 4 23 Trace Mode il tuo Ue 4 24 PNCVACS reer aika renna caps CR Ride oh de 4 24 Clear W
223. s as follows e 1 DPCCH channel C 256 0 Q e 1 DPDCH channel C 64 16 I e 1 HS DPCCH channel C 256 64 Q e E DPCCH channel C 256 1 I e 2 E DPDCH channels C 2 1 I and C 2 1 Q MS278XB OM 5 63 Modulation Measurements Measurements The color code for the different uplink channel types are listed 1n the following table Table 5 1 DP6cH 5 Red Code Domain Power D Uplink Slot 1 ATT 10 00 dB REF 0 00 dBm Code 0 Code Domain Power C Uplink Code 0 Type Spread Factor Ch CDP dBm CDP dB E DPECH DPDCH DPCCH Figure 5 41 Code Domain Power Code 255 Code 255 CDE dB If the summary option is enabled the channel name the code domain power values both absolute and relative and the code domain error values of the active code channels are displayed at the bottom of the CDP graph 5 64 MS278XB OM Measurements Modulation Measurements To get a clearer picture of the content in the display select the CDP with Zoom graph type A zoom of 16 code channels will be shown depending on the position of the dotted frame at the top graph The step size of the zooming frame is set in the Demodulation Config 2 Tab in the WCDMA Setup Dialog Figure 5 42 shows a graph of Code Domain Power with Zoom Code Domain Power D Uplinslot 1 Code Domain Power 0 Uplink ATT 10 00 dB REF 0 00 dBm Code 0 Code 15 Code 64 Code 79 Center 4 Q00000000 GHz I 0 Type
224. sas e a Sp Mei al EAS BR Bh yo ol winds ae 4 23 Trace Contig MOM Gin uua ad sues Freie ce arde epe aeo br ets Sal Stead Bee arcu a inan at 4 24 Display Mal VIG PIE a e us bette a dice BM Med REED ee Meee ee Nee Lato ead eS 4 25 Display Options Meneses Savas Gide Ge dead oh Ch tete Rc x Rot E Cep ee ts 4 26 TOUCH Screen Men Us decoded etae dotate usce wea atta yer Sodio ow de 4 26 Sweep Main Menu 000 cee eee eee eee eens 4 27 Sweep Mehl r eR RR URP DES B e Sedo Ev aia Rak emda bland 4 28 Tagger Maini Mete ios da detto air en jo onc d hr de pec e Sc de ot de Boite eaa 4 29 Tigger Men MERERI a id A A A e de a este ee A iio 4 30 oystem Malt MIR 2 6 uec A a A a Sr d ooo d S pas 4 31 Rear Panel Control MenuU o o ooooooo les 4 32 Calibravlon MENU 12 done scd dq a un Du am ates dors 4 32 System Information Menu llle 4 32 C ontig ratiob MENU s 550 dax racio Rs aom Eo poate ccn a dH Sade gis 4 33 Remote Control Mentira Enea aed pcd De dp ches 4 33 Service Mens eran dee wat Eo Doi derat dede de EUR ODE ia 4 34 FIS Main MENU a iS a ds Ban Re ip sh ak ita 4 35 xu mu ci O 4 35 iv MS278XB OM Table of Contents Continued 4 4 Parameter Entry and Measurement Setup Dialog Archive o o oooooooo 4 36 Occupied Bandwidth Setup Dialog lille 4 36 Channel Power Setup Dialog noa sad a epos og Hr na oed 4 37 Adjacent Channel Power ACP Setup Dialog
225. sc uot 2 betae sq ec aiaad x e eiut ew be auti ines m dub mand pae 2 12 GPIB Interface Connect e dei de ii s tt 2 12 PIB COMO FANCIES v amc eda ar Ern dele Bae Sods eae pes EN RE AERE exo EE dde 2 13 CANSO sanas d sardina 2 16 Network Connections o o o oooooo hn 2 16 Network Interface Setup llllllllleeee eee ene 2 16 2 9 Connecting External Devices oo oooocoooorore eee eens 2 24 Connecting an External Keyboard or Mouse 0 00 cece ee eee 2 24 Connecting an External Monitor llle 2 24 Connecting an External Printer o o o ooocooooonooo n 2 24 Connecting an External USB Device llle 2 27 2 10 Preparation for Storage Shipment o o o ooocooco ern 2 28 Preparation for Storage o oooooooorornoos eee eee eens 2 28 Preparation TOF ONIDMEN zs sedan Fa rats She eee kee het 2 28 Use a Suitable Container 0 0 0 eee 2 28 Protect the UIMSIRUIMGING 3 5 2 Sta cain d cu rode aca e Odes bo D ean coo qs ia 2 28 Cushion the TInstr rmerib ds iii B eget orn e diee edes o 2 28 Seal the Container 0 0 0 ee eee eee eens 2 28 Address the COMMON eau oe aoe eet esos 2 28 Chapter 3 Instrument Overview 31 DIT e Pe CREE TOO ETT o aio ive ICAC ia e 3 1 92 Pront Panel OVeIVIQW ss cias ead a ls ta id 3 1 DAA m 3 6 FONT ANCL INCVS i yt ada as ida ic 3 6 Major FUNCION eS 2 6 2 pete st e A ii 3 6 Minor EUACION INS Lucr 0c onc ae mente S re wh dl e R
226. se Alt1 Channel Spacing Sets the spacing between the main and Alt1 channel 1 Hz to 8 GHz Default 10 MHz Off Figure 4 15 Adjacent Channel Power Setup Dialog 4 38 MS278XB OM Front Panel Menus ACP Advanced Adj Channel Off Alti Channel Off Alt Channel Off RRC Filter Off Advanced On Mose Compensation Y Off On Start Time Stop Time MS278XB OM ACP Tab 2 of 2 Channel Width Integration Limits 5 MHz Adj Channel Width Adj Channel Spacing 5 MHz 5 MHz Alti Channel Width Alti Channel Spacing 5 MHz 10 MHz Alte Channel Width Alte Channel Spacing 5 MHz 15 MHz Roloff Factor Bandwidth 0 22 3 84 MHz Advanced Tab Figure 4 15 Adjacent Channel Power Setup Dialog Parameter Entry and Measurement Setup Dialog Archive Alt2 Channel Toggles the Alt2 channel measurement off or on Alt2 Channel Width Sets the bandwidth of the Alt2 channel Range 1 Hz to 8 GHz Default 5 MHz Alt2 Channel Spacing Sets the spacing between the main and Al2 channel Range 1 Hz to 8 GHz Default 15 MHz RRC Filter This is used to turn the root raised cosine filter RRC On or Off Rolloff Factor Sets the roll off factor for the measurement RRC filter must be on Range 0 1 to 1 0 in steps of 0 01 Default 0 22 Bandwidth Sets the bandwidth for the measurement RRC filter must be on Range 1 Hz to 8 GHz Default 3 84 MHz
227. sional installed This computer is known as the host e A remote computer running Windows 95 or above version of Windows This computer is known as the client and 1t must have the Remote Desktop Connection client software installed Windows XP comes with the Remote Desktop software or 1t can be downloaded from Microsoft e A connection to the Internet or network to which the analyzer is connected Note A broadband Internet connection improves performance but it is not required because Remote Desktop transfers only the minimal amount of data such as display and keyboard data to remotely control your analyzer When the instrument 1s controlled remotely the display is switched to the operating system s login menu usually presenting two icons One icon represents the remote user and the second icon represents the local user Logging in as either user will disconnect the remote Desktop Setting Up Your Analyzer This procedure assumes that your analyzer 1s part of a corporate network in which Remote Desktop connections are permitted You may need to consult your system administrator for more detailed setup and access permissions Enabling the Analyzer as the Host Note Signature is preset at the factory as the Host so this step may not be necessary You must first enable the Remote Desktop feature on the analyzer so that you can control it remotely from another computer You must be logged on as an administrator or the Local User wh
228. sition Config Tab WCDMA Setup Capture Length Narrowband s f Frames RF Input Analysis Start Delay IQ Input Impedance 256 Chips 0 Frames 0 Slots 256 Chips 0 057 mSecs Analysis Length 2304 Chips 0 Frames 0 Slots 2304 Chips 0 600 mSecs Base Station User Equipment Y Downlink Uplink Figure 4 21 WCDMA Setup Dialog MS278XB OM Spectrum Inversion Normal Invert l RRC Filter off Input Narrowband RF Input IQ Input Impedance Select between 50 Q or 1 MQ Capture Length Enter the number of frames to capture Analysis Start Enter the number of chips Analysis Length Enter the number of chips Spectrum Inversion Select either Normal or Invert RRC Filter Select the root raised cosine filter On or Off Base Station User Equipment Uplink or Downlink 4 51 Parameter Entry and Measurement Setup Dialog Archive Demodulation Config 1 Tab Modulation Config 1 Config 2 Analysis Active Code Channels Scrambling Code Y Manual Auto Sync Reference DPCCH Manual Active Channel Threshold Scramble code Type 33 dB Y Long Short IQ Display Rotation Transmit Diversity Antennal Y Odeg 45 deg Scramble code for d ch l AR Transmit Diversity Type Ordinary gt Max spread factor Y 256 512 STTD On Display Compressed Mode Signals Active Channel Mode Selection Y Manual TR Comp Spread Factor
229. soft cloth with a mild soap and water solution or a commercial window cleaner Do not use abrasive cleaners tissues or paper towels that can scratch the plastic surface Gently wipe the display filter to clean Operating System Integrity The Microsoft Windows XP operating system 1s configured for optimum signal analysis performance when it leaves the factory To maintain the system s operating integrity follow proper Windows shutdown procedures and do NOT modify the operating system settings or registry hard drive partitions or Anritsu user accounts Antivirus Protection Signature 1s compatible with McAfee VirusScan Enterprise version 8 0 0 Signature has also been tested with most common antivirus software but stability 1s not guaranteed with all antivirus software Anritsu recommends that antivirus software be installed when the instrument is connected to a network Internet The user assumes the responsibility to provide antivirus software as this is not supplied with the instrument Windows Updates Anritsu tests Signature with the latest Microsoft security updates as they become available however not all Microsoft updates are compatible with Signature and may affect the performance of the analyzer if installed Before connecting Signature to the Internet consult Anritsu customer service for procedures on how to safeguard the instrument from undesired conditions that could result from Windows vulnerabilities 16 MS2
230. splays The primary element in this area is the trace data on a graticule display Annotations provide feedback on the instrument s hardware setup for the measurement as well as measurement related warnings and status messages outside of the graticule area Spectral Analysis Graticule Displays Figure 3 21 shows a typical display while in the spectral analysis mode Most of the informational annotations are indicated Table 3 6 provides a detailed description of each of the display elements OFFSET REW 3 IMA ATT 10 cB LEM d Me Mkri 4 000090000 GH AMkr2 500 000 kez ADC OVLD REF 0 00 dBm B Trci 60 90 dim Trci 0 55 da Triggered Single Tre Clear Write Normal Trcz MaxHold Maximum Trc3 MnHold 50 Minimum Tur Tred Average Average oota 70 Pot Tri Wip Es vt de ahi M r ls AA M Swept f Ul T TI Li m T ih 3 9995000000 GHz Center 4 000000000 GHz OFFSET Stop 4 000500000 GHz 0 100 MHz div Span 1 020000 MHz Q4 Figure 3 21 Spectral Analysis Graticule 3 26 MS278XB OM Instrument Overview Graphical User Interface Overview Table 3 6 Index 4 to 8 10 11 12 13 14 15 16 17 18 19 20 21 22 opectral Analysis Graticule Legend Description Status Indicator This indicator asterisk is displayed when the current instrument setup does not correspond to the one which was applied when a trace is displayed This happens when
231. ss on the Measurement Type button and select one of the following measurement types from the fly out menu Spectrum Selects the spectrum analysis mode see above RF Selects the RF measurement mode see above QAM PSK Selects the modulation measurement mode WCDMA Selects the modulation measurement mode see below WiMAX Launches the WiMAX Analysis application requires Options 22 and 41 Phase Noise Launches the Phase Noise Measurement application requires Option 52 Standard This selection allows you to select a measurement standard that automatically configures all of the measurement parameters To select a measurement standard press on the Standard button and select the desired standard from the fly out menu Graph Types Vector EVM Time Constellation Power Time Summary Eye l Eye Q Setup Opens the VSA Modulation Parameters Setup Dialog on page 4 46 WCDMA Measurement Type To change the measurement type press on the Measurement Type button and select one of the following measurement types from the _ fly out menu Spectrum Selects the spectrum analysis mode see above RF Selects the RF measurement mode see above QAM PSK Selects the modulation measurement mode see above WCDMA Selects the modulation measurement mode WiMAX Launches the WiMAX Analysis application requires Options 22 and 41 Phase Noise Launches the Phase Noise Measurement application requires Option 52 Standard This selecti
232. t Trace 2 as the active trace and set it s detector to RMS 5 6 Select Trace 4 as the active trace and set it s detector to Maximum The display should look like the one in the figure below Figure 5 6 RE 500 Hz ATT 10 dB YEW OFF REF 0 00 dBm ST bs Trcl ClearvWrite Average Trca Clearvrite EH Trc3 Clearwrite5 Minimum m NUM m INF AAA mc PAR P Pas Ala LA Ma a uus Start 999 850000 MHz Center 1 000000000 GHz OFFSET stop 1 000150000 GHz 30 000 kHe div Span 300 000 kHz Trc4 Clearwrite Maximum c mu E SWEPT M Aud Displaying Detector Modes MS278XB OM 5 25 Measurement Examples Displaying Trace Modes Measurements The following example shows the display of a 1 GHz carrier using the MaxHold Average and MinHold trace states 1 Preset the analyzer using the Preset button 2 Set the center frequency to 1 GHz and the span to 300 kHz 3 On the Trace Config menu set Trace 1 to the MaxHold state 4 Select Trace 2 as the active trace and set 1t to the Average state with 5 averages 5 Select Trace 3 as the active trace and set 1t to the MinHold state The display should look like the one in the figure below Figure 5 7 5 26 REW 500 Hz ATT 10 dB VB OFF REF 0 00 dBm aT Ds a ft ft ft lo m LLL LLL Average 5 nf5 Trc3 MinHold 50 _ 0 fof Pet b lle 70 EM CNN n MES hy M Ve AA RT al DAA DC AA Start 999 850000 MHz Center 1 0
233. t key Functions When the MS278XB is equipped with an external keyboard additional input is available through various keyboard combinations hot keys Table 3 8 lists the hot keys and their function Table 3 8 Keyboard Hot key Reference K H ros inc AT 101 Usage 1 Frequency Main Menu Ctrl Shift Q 20 Increment Parameter Down Coarse Page Down 21 Increment Parameter Up Fine Up Arrow 22 Increment Parameter Down Fine Down Arrow NO oO Numeric Keys Numeric Keys Backspace Backspace NO O1 n2 IN Escape Esc NO O Enter Enter 3 36 MS278XB OM Instrument Overview Instrument Operation 3 4 Instrument Operation Changing Setups When a parameter is changed via the front panel or a message is received containing new setup information the system validates the requested change and then goes into the setup state while the new setup information 1s assimilated When the new setup information 1s processed the system returns to the measure state You may observe a momentary delay during this process which 1s normal Calibration State The system enters a calibration state when you request it or when the system determines that calibration 1s necessary In this calibration state the analog receiver and LO hardware 1s calibrated and the results saved for use in measurement corrections Upon completion the system returns to the measure state Instrument Preset The instrument can be set to a known state by pressing
234. t number 10410 00276 for information on WiMAX measurements using Signature Phase Noise Measurement Type To change the measurement type press on the Measurement Type button and select one of the following measurement types from the fly out menu Spectrum Selects the spectrum analysis mode see above RF Selects the RF measurement mode see above QAM PSK Selects the modulation measurement mode see above WCDMMA Selects the modulation measurement mode WiMAX Launches the WiMAX Analysis application requires Options 22 and 41 Phase Noise Launches the Phase Noise Measurement application requires Option 52 The Phase Noise measurement selection launches the Phase Noise Measurement application in a separate window Note All RF measurements apply only to the active trace 4 2 N MS278XB OM Front Panel Menus Trace Main Menu The Trace main menu can be quickly accessed by using the Ctrl Shift A keyboard combination The Trace main menu lets you configure and set up the Vy Trace Active Trace Display Trace Mode Trace Config Y Trace Averaging Detectors Figure 4 7 Trace Main Menu MS278XB OM Menu Archive 4 23 Menu Archive Trace Config Menu Front Panel Menus The Trace Config menu lets you select the active trace trace state detector type and set various trace options Note The Trace Menu is only available in Spectrum and RF measurement modes Table 4 14 Trace Config Menu Tra
235. t of 3 20 Proe Rn A S 4 30 Frequencies Menu eee 4 5 Frequency Key Arc 3 6 ALES UM E O TEE T 4 4 Siu eras cystine eds PETERE 4 6 Setting Center ccc eee ee 5 2 Dene Spano sow quedo uc ERR d ure qut Es 5 9 Front Panel Dra WINS oe cuta denarii Pot ed D dd e ddr 3 2 Drop down Menu seen 3 14 qo DRAMAS ters es ta r 3 6 NCIC dross a east cote yes an ens 3 1 Function of Marker eere 4 18 puse Blocks oiu zd ees geo REY puta em d 3 99 G Gaussian Reference Line in CCDF 4 43 MS278XB OM GPIB Interface Connector 3 40 EMOQUE Sesa opti B Sa eA a a d 3 43 Graph Type Constellation aros dated ee rra ah Rn Deos 4 21 Py VU PWC sas Aisne acta aa ee 4 21 PVE 43d 2 2 be dens he ba C Is dtd 4 21 Ee osa oeste dia Eos ee att 4 21 Power Time aa ue ale er e ceca 4 21 QAMPS E a USER UHR NUR 4 21 SUMMAT vanidad 4 21 WN CCLOM Abbas EAN 4 21 WODNEX tratara ence es 4 21 4 48 Graphical User Interface Overview 3 12 Graticule SPA Overview llle 3 26 VSA Overview eee 3 30 GULOVer dew cc eo ede ed Sud om E aed 3 12 H Handshake in MATLAB 4 57 4 58 Help Drop down Menu ess 3 15 A MTS 3 7 Horizontal Line 4 18 A GRO Ene EE adc 7 1 sls er ari as aca la dra ando 3 36 JUR DU inacabada ainia 3 41 1 Q Wideband Diff
236. t the MS2781B is within its average noise level specifications Test Setup Connect the equipment as shown in the figure below 0000000 MS278X Signal Analyzer 50 Ohm Termination Figure 5 53 Equipment Setup for Average Noise Level Test Test Procedure 1 Turn on the MS2781B Signal Analyzer and allow the instrument to warm up for one hour 2 Connect a 50 Q termination to the RF Input connector 3 Press the Preset key on the MS2781B to reset the instrument to factory default state 4 Set up the MS2781B as follows a Center Frequency 10 MHz Frequency Span 3 kHz Sweep Mode Single Attenuation 0 dB Reference Level 100 dBm Q 0 o amp Trace Mode Average Averaging Size 10 Detector Average Sweep Type FFT RBW 0 1 Hz o 1 rm o pd 0 e 5 84 MS278XB OM Measurements Operation Verification 5 Press the Sweep button from the Sweep menu and allow averaging to complete The display should look similar to that below REW 0 1 Hz ATT D dB Bu SO Hz REF 100 00 dBm tE Single 120 Irci Average pp ppp po Average n P fof lodge Start 9 998500 MHz Center 10 000000 MHz Stop 10 001500 MHz 0 300 EHz div Span 3 000 kHz 160 180 FFT 200 Figure 5 54 Displaying the Average Noise Level 6 Record the average displayed noise level in Table 5 9 and verify that it meets the specification 7 Set the Center Frequency of the MS2781B to the next Center Frequency listed in
237. the Preset key or the Preset menu item on the Front Panel drop down menu or by a command via the remote programming interface GPIB or LAN When initiating a preset the instrument goes through a sequence similar to startup by loading the default measurement parameters to the hardware MS278XB OM 3 37 Instrument Overview Rear Panel and Connector Diagrams 3 5 Rear Panel and Connector Diagrams Figure 3 34 below illustrates the MS278XB s rear panel features and connectors Table 3 9 on the following pages describes the indices shown lists Input Output specifications for each connector and lists the connector type The connector pinout diagrams are illustrated 1n Table 3 10 through Table 3 16 2 GG Y E e 0 8 9 q9 Ex SS ni 0000000000 307007 Co OO q 3050050070050070 e Sd o DO 73070090070000 fra My pO 0 ft Condon cyan a 008008 00 00 00 00 00 0000 ES 000 Oo 009 ODO oooO EIER EE e Ds 00 00 OOOO LOCA DD ODD n DOO ODDO DOPDOPDOHDORO reps 00 00500 0000 000050070 AX CAUTION 7 pnmo 2 RFE od DADO ADO DO DO DU DOLO DU ADD AL DAA AAN AAA nnUnn On 90000000 0 LODO DOE LOA z E P i olt E ud ae 4 IS oooO 4 CDD DOPDODODORCCHDO 0000 0 0008 00 008 00 008 00800800 00 00 OOOO J 00000700005 ES OU A a lt 900000500000708 SO OU 000008007 aN Uu ALIFIEL PERSAN MEL MICI A DAR Mein DE aF ARIF PARTS IN SIF KHER O es run Nome a 307000000 A
238. those functions that have a complex set of parameters to set use dialogs Most SPA functions use parameter entry fields and buttons in the sub menu display to set their measurement parameters Many VSA functions use dialogs to set their measurement parameters Refer to Parameter Entry and Measurement Setup Dialog Archive on page 4 36 for more information 3 24 MS278XB OM Instrument Overview Graphical User Interface Overview Alpha Numeric Entry Alphanumeric entry can be accomplished through an external physical keyboard or through the on screen software keyboard Figure 3 20 shows the on screen keyboard interface On Screen Keyboard File Keyboard Settings Help esci F1 r2 F3 Fa M rs re r7 ro a ro Fi Ft rid psc bik l2lsl Islsl7 sjs o i forse ins mold ud slslelrlolefilkelil fs gor et fetvjotatm lio as cul TE EEG tl 1 gt o Figure 3 20 MS278XB On Screen Keyboard The on screen keyboard functions the same as most common keyboards You simply press the key that you want to enter Additional settings are available through the drop down menus on the keyboard interface window The on screen keyboard is accessed through the Windows Taskbar View Taskbar by pressing Start Programs Accessories Accessibility On Screen Keyboard MS278XB OM 3 25 Graphical User Interface Overview Instrument Overview Graticule The Graph area is the main container for all of the measurement di
239. tion Analysis IQ Origin Offset for EVM Y Axis Maximum Scale Code Domain Power Y Relative to Total Include Exclude Power 100 PCDE Spread Factor y Magnitude Error 256 4 16x 10096 CDP Zoom Factor Phase Error 20 degrees Base Station User Equipment Downlink Uplink Modulation Analysis Config Tab WCDMA Setup Acquisiton Demodulation Demodulation Modulation Config 1 Config 2 Analysis Configuration for Demodulated Bitstream not decoded and SCH Analysis Format SCH Compensation Y Y Hex Binary Off On Sync to Pilot Bits PICH Compensation Y Y Off On Off On Constellation Rotation PICH Channel Number 16 PICH Timing Offset 1120 x256T chip SCH Threshold Base Station User Equipment Y Downlink Uplink Figure 4 21 WCDMA Setup Dialog MS278XB OM IQ Origin Offset for EVM Select to include or exclude the IQ origin offset for the error vector magnitude PCDE Spread Factor Select either 4 or 256 for the peak code domain error spreading factor EVM Select the Y axis scale for the error vector magnitude of 5 10 20 50 or 100 Magnitude Error Select the magnitude error of 5 10 20 50 or 100 Phase Error Select the phase error of 5 degrees 10 degrees 20 degrees 50 degrees 100 degrees 180 degrees Code Domain Power Select between Relative to Total Power or Absolute CDP Zoom Factor Select the code domain zoom f
240. tions and Data If Signature requires service or calibration the system may be returned to factory specifications and reimaged with a standard software configuration User installed applications and data may be lost and unable to be retrieved It 1s advised that user data be backed up or copied and retained by the user Applications will need to be reinstalled from their original installation disks A complete system restore from a previous user backup is not advised after service or calibration as this will result in the new calibrations being overwritten thus voiding the calibration accuracy Desktop Properties Background Wallpaper set to None Screen Saver Set to None Fonts Size set to Large Fonts and the font properties for the Menu category set to Tahoma 14 with a size of 30 Power Savings In the Home Office Desk Power Scheme group the Turn Off monitor setting should be set to Never User Accounts There 1s one User Account set up by default SignatureUser This account is password protected the password is 2780 A password is necessary for the Remote Desktop feature to work This account is the default account and is set to Auto Logon Directory Structure The following Directory Structure is used for installation of Signature related programs files etc e C Signature Root Directory e C Signature SignatureHelpSystem Contains Help Files Application Notes Manuals Examples Data Sheets etc
241. to Chapter 8 Remote Operation for detailed information on operating the instrument remotely using Windows Remote Desktop or third party applications such as WebEX or PCAnywhere GPIB Setup The MS278XB GPIB operates with any IBM PC compatible computer controller equipped with a National Instruments GPIB PCI VIIA interface card and supporting software GPIB Interface Connection Connect your external controller to the IEEE 488 2 GPIB interface connector on the rear panel as shown in Figure 2 11 From IEEE 488 2 Interface Connector ec To GPIB Interface Card Connector Figure 2 11 GPIB Interface Connection The GPIB system can accommodate up to 15 devices at any one time To achieve maximum performance on the bus proper timing and voltage level relationships must be maintained If either the cable length between separate instruments or the accumulated cable length between all instruments 1s too long the data and control lines cannot be driven properly and the system may fail to perform The following guidelines should be observed e No more than 15 instruments may be installed on the bus including the controller e Total accumulative cable length in meters may not exceed two times the number of bus instruments or 20 meters whichever 1s less e Individual cable length should not exceed 4 meters e 2 8 of the devices must be powered on Devices should not be powered on while the bus 1s 1n operation that 1s
242. trument Surround the unit with polyethylene sheeting to protect the finish Cushion the Instrument Cushion the instrument on all sides by tightly packing dunnage or urethane foam between the carton and the unit Provide at least three inches of dunnage on all sides Seal the Container Seal the carton by using either shipping tape or an industrial stapler Address the Container If the instrument 1s being returned to Anritsu for service mark the address of the appropriate Anritsu service center and your return address on the carton in one or more prominent locations 2 28 MS278XB OM Chapter 3 Instrument Overview 3 1 Introduction This chapter provides information and instructions on operating the MS2781B signal analyzer using the front panel controls It contains the following Illustrations and diagrams of the front panel data display area and data entry area that identify and describe all front panel controls and interfaces An annotated diagram of the menu display showing where the current setup information is located Descriptions of measurement setups through the use of menus property sheets and wizards An annotated diagram of the data displays showing where the current setup information and measurement data 1s displayed Descriptions of instrument error messages and status indicators This chapter also provides detailed information about all of the MS2781B rear panel interfaces and connectors 3 2 Front Panel Ov
243. tsu Company equipment and computer programs The drawings specifications and information contained herein are the property of Anritsu Company and any unauthorized use or disclosure of these drawings specifications and information is prohibited they shall not be reproduced copied or used 1n whole or in part as the basis for manufacture or sale of the equipment or software programs without the prior written consent of Anritsu Company UPDATES Updates 1f any can be downloaded from the Documents area of the Anritsu web site at http www us anritsu com END USER LICENSE AGREEMENT FOR ANRITSU SOFTWARE IMPORTANT READ CAREFULLY This End User License Agreement EULA is a legal agreement between you either an individual or a single entity and Anritsu for the Signature software product identified above which includes computer software and associated media and printed materials and may include online or electronic documentation SOFTWARE PRODUCT or SOFTWARE By receiving or otherwise using the SOFTWARE PRODUCT you agree to be bound by the terms of this EULA SOFTWARE PRODUCT LICENSE The SOFTWARE PRODUCT is protected by copyright laws and international copyright treaties as well as other intellectual property laws and treaties The SOFTWARE PRODUCT is licensed not sold 1 GRANT OF LICENSE This EULA grants you the following rights a You may use ONE copy of the Software Product identified above only on the hardware product Signa
244. ture Signal Analyzer and its internal computer which it was originally installed The SOFTWARE is in use on a computer when it is loaded into temporary memory for example RAM or installed into permanent memory for example hard disk CD ROM or other storage device of that computer However installation on a network server for the sole purpose of internal distribution to one or more other computer s shall not constitute use b Solely with respect to electronic documents included with the SOFTWARE you may make an unlimited number of copies either in hardcopy or electronic form provided that such copies shall be used only for internal purposes and are not republished or distributed to any third party 2 OWNERSHIP Except as expressly licensed to you in this Agreement Anritsu retains all right title and interest in and to the SOFTWARE PRODUCT provided however that subject to the license grant in Section 1 a and Anritsu s ownership of the underlying SOFTWARE PRODUCT you shall own all right title and interest in and to any Derivative Technology of the Product created by or for you 3 COPYRIGHT All title and copyrights in and to the SOFTWARE PRODUCT including but not limited to any images photographs animations video audio music text and applets incorporated into the SOFTWARE PRODUCT the accompanying printed materials and any copies of the SOFTWARE PRODUCT are owned by Anritsu or lts suppliers The SOFTWARE
245. u Connect to the Internet Connect to a private network such as pour workplace network To continue click Met Cancel Figure 2 19 New Connection Wizard 2 18 MS278XB OM Preparation for Use Remote Interface Setup 5 Select Connect to the network at my workplace and press Next Hew Connection Wizard Network Connection Type What do you want to da O Connect to the Internet Connect to the Internet so You can browse the Web and read email Connect to a business network using dial up ar PAN so you can work from home a field office ar another location O Set up an advanced connection Connect directly to another computer using pour serial parallel ar infrared port or set up this computer so that other computers can connect to il Figure 2 20 New Connection Wizard 6 Select Virtual Private Network connection and press Next Hew Connection Wizard Network Connection How do you want to connect to the network at pour workplace Create the following connection O Dial up connection Connect using a modem and a regular phone line or an Integrated Services Digital Network ISON phone line Connect to the network using a virtual private network YPN connection over the Internet Figure 2 21 New Connection Wizard MS278XB OM 2 19 Remote Interface Setup Preparation for Use 7 Enter the name of your new connection and press Next New Connection Wizard Connection Name Sp
246. u ados te Senes urbe eee 3 7 IN HT E IG sesser 8 55 da Sp kar gaan ad eue etn 3 8 A Saas a oh ea baa d abs d Oe 3 8 Rotary Knob esteto eiin e bac aciem 3 8 A O eas Bed 3 7 DYSTO abogadas a Pete lem as 3 7 TEACE shuns i eta ads Seams ie onde eee 3 7 Mi qu otha deat dad ob oe uil a etos So tate se eh 3 7 L Legend of Rear Panel 3 39 EIA io E aba em racha E eC ua 4 9 Level Mixer 12 4 2 29 abro yer ws 4 9 Level Trigger Jos ii qa DAS cR aw boca 4 30 El ESI A RU TTT I T TIT 4 18 Line a A doces IE I entente 4 30 Lines Displaying iaa eas pd d 4 18 Los Video Obs dana a E e RR ERI 3 99 Lb Mescide detras ta 4 32 lev di PROP O PEINE 4 46 M Main Menu Bar Customizing 4 56 Marker SO fateh ati a AAA os oben od poets 3 6 OTC oa oe XU en a uan o d e d 4 18 Marker CHIPS 434 eene brasas 4 14 4 15 Marker Code SF eese 4 17 Marker Config Menu sees 4 18 Marker Menu eee 4 13 Marker estrada 4 14 4 15 4 16 4 17 Marker Preamble Measured Preamble for Marker 4 16 Marker Select Menu 4 14 Marker Slot Measured Slot for Marker 4 15 Marker Table 45v aia balas 4 18 Marker To gt Menu ooo 4 17 Index 3 Markers NCUIVG cu qoae arr vedo wed odd 4 14 4 15 4 16 4 17 All Off Button 4 14 4 15 4 16 4 17 Ol NIE is ESSEN Ed 4 17 RUACUODN sun ss A bokeh bea tas pot 4 18 Vie NEC scores arena 4 17 M
247. ule display All Markers Off Disabled in this mode 4 15 Menu Archive Front Panel Menus Table 4 9 Marker Select Menu Modulation When in the WCDMA measurement mode with the Random Access Channel graph type Measurements selected the following marker selections are available Refer to the WCDMA Graph _ Type Dialog on page 4 48 for information on setting graph types Mar a Measured Preamble The measured preamble is fixed in this mode Measured Preamble On Off and Delta Markers are not available in this mode Preamble Set the Preamble by pressing in the Preamble parameter field and entering a value using the numeric keys When a new value is entered the terminator fly out will appear with Enter or Cancel The rotary knob or Up down arrow keys may not Off On be used to increment the marker value Preamble The marker s value is displayed in the field below Preamble and on the graticule Normal Delta display Preamble All Markers Off Disabled in this mode 1 Modulation When in the or WCDMA measurement mode with the Random Access Channel with Measurements Zoom or Transmit Power Control with Zoom graph type the following marker selections are available Refer to the WCDMA Graph Type Dialog on page 4 48 for information on Merker Select setting graph types Active Marker To select the active marker press on the Active Marker field and select a Active Marker marker from the fly out menu To turn the active marker o
248. us are used to select between continuous and single sweep trigger a new sweep and to select the sweep mode The default parameter is the continuous single sweep selection Lo o cq o Trigger Use this key for accessing the trigger menus The trigger menus are used to select the trigger source set the trigger level select the trigger slope and to set the trigger delay The default parameter is the trigger source selection System Use this key for accessing the system menus The system menus are used to access calibration and alignment modes set up external reference sources configure phase noise performance and to select the remote operating mode The default parameter is the calibrator selection mode File Use this key for accessing the file menus The file menus are used to save and recall instrument setups and to export trace and measurement data to a file The default parameter is the Save selection Help Use this key for accessing the Signature Help system When this key is pressed context sensitive help is enabled and the topics are displayed in the graph area Press the key again to toggle the display back to the measurement data Figure 3 3 Minor Function Keys MS278XB OM 3 7 Front Panel Overview Numeric and Cursor Keys Instrument Overview The numeric keys are located in a block next to the LCD display These keys are used for entering and manipulating data while in a parameter setup function Figur
249. utomation Explorer What is Measurement amp Automation Explorer Measurement amp Automation Explorer MA provides access to all your National Instruments DAG GPIB IMAG Il Motion VISA and Wl devices With Measurement amp Automation Explorer YOU can a Configure your National Instruments hardware and software Add new channels interfaces and virtual instruments Execute system diagnostics View devices and instruments connected to your system MAS displays an interactive task listin the right side of the MA window to quide you through configuration and basic tasks Taleam about any task on the list click on it a e ledge qe ly b ge oe nai D E Click here far an example Some task lists include interactive buttons For example to save a channel confiquration to a file click El from the task list Lb 4 x 3 On the left hand panel go to My System Devices and Interfaces GPIBO PMC GPIB right click on GPIBO and then select properties from the pop up menu 2 14 MS278XB OM Preparation for Use Remote Interface Setup 4 In the GPIB Configuration dialog change the Primary GPIB Address to the desired value 7 GPIB Configuration 2 f NI4882 Setting Advanced Y PMC GPIB Serial Number DOCFEEEC Interface Name Temination Methods EE Send EDI at end of Write GPIB Address Terminate Read on EOS Primary 1 Secondary NONE 0 EOS Byte 1 0
250. utton Figure 3 17 below illustrates the toggle buttons that you may encounter in menus Y Y Y Off On Continous Single 85 kHz 85 kHz Normal Delta Y v v Y Local Remote Log Linear Manual Auto Rising Falling Y Y External Internal Speed Accy SOL 11410 Figure 3 17 Toggle Buttons MS278XB OM 3 23 Graphical User Interface Overview Instrument Overview Drop down Selection Menus Many menus offer drop down selections that contain a variety of choices To access a drop down selection menu press on the down arrow for the parameter you would like to change and the drop down selections will expand To make a selection press on one of the choices then press Done The current selection is highlighted at the top of the drop down selection menu Figure 3 18 below illustrates a drop down selection menu Figure 3 18 Drop down Selection Menu Parameter Entry and Measurement Setup Dialogs Parameter entry and measurement setup dialogs are used throughout the system to provide direct access to related parameters for a given context These dialogs will generally look like the one shown 1n Figure 3 19 below 54 Modulation Parameters Modulaton Advanced Modulation Settings Filtering Format Filter Type OPSK Root Myquist Svmbol Rate Foll off Factor a 3 84 MHz 10 22 Capture Time 666 6656667 us Figure 3 19 Parameter Entry and Measurement Setup Dialog Not all parameters are set by using dialogs Only
251. ve in Signature It is best to install MATLAB into the default directory 4 58 MS278XB OM Chapter 5 Measurements 5 1 Introduction This chapter provides procedures on how to make several common spectrum analyzer measurements It 1s assumed that you have a basic understanding of spectrum analyzer measurements and that the MS278XB front panel and menu structure is familiar to you Refer to Chapter 3 for a description of the instrument s front panel operation and to Chapter 4 for a description of the instrument s menus and their structure Once you are familiar with the instrument you should be able to easily follow the procedures found in the following sections of this chapter Basic Measurement Setups on page 5 1 e Measurement Examples on page 5 19 e RF Measurements on page 5 28 e Modulation Measurements on page 5 35 5 2 Basic Measurement Setups This section describes the basic manual operation of the signal analyzer In the following procedures the receiver is tuned over a swept range of frequencies and the power is computed at each of the displayed data points The range of frequencies resolution bandwidth video bandwidth trace processing reference power level scale factor dB division and type of signal detection must all be selected to determine a valid setup for the measurement Alternately many of these parameters may be auto coupled to enable a valid measurement The most common steps to achieve this are
252. ve warning has been addressed plug the instrument into an adequate mains supply and set the instrument to Operate by pressing the Standby Operate front panel key Instrument Startup Signature requires at least two minutes to initially power up load the system software and perform a series of internal calibrations During this time informational screens will be displayed After the instrument has completed its startup the Signature application will be running To access the PC functions and minimize the Signature application access the View drop down menu and select Desktop During power up the system goes into a startup state in which a self test checks all of the sub systems for proper operation the firmware 1s also downloaded into the various peripheral devices During this time an informational splash screen 1s shown as illustrated below Version by Zinritsu NS 4 Ul F f Ag ll juo mam al Engineering Insight LI P http we anritu com signature Figure 2 4 Signature Startup Splash Screen Warm up Time Signature requires 30 minutes warm up time to meet operating specifications MS278XB OM 2 5 Configuration Preparation for Use Instrument Shutdown To shut down the instrument press and hold the front panel Standby Operate key for longer than one second Windows will begin the shutdown process and automatically close open applications It is not advised to turn the power off at the rear panel or pul
253. ved in the Network Connections folder To create the connection and close this wizard click Finish Figure 2 25 New Connection Wizard MS278XB OM 2 21 Remote Interface Setup Preparation for Use 11 If a connection needs to be manually set up or modified you can right click on the connection name in the Network Connections window Figure 2 17 and select Properties from the pop up dialog box Local rea Connection Properties General Authentication Advanced Connect using BS 3Com 302918 Integrated Fast Ethernet Controller 3C905B This connection uses the following items El Client for Microsoft Networks File and Printer Sharing for Microsoft Networks mao 3 Packet Scheduler Internet Protocol Transmission Control Protocol nternet Protocol The default wide area network protocol that provides communication across diverse Interconmected networks Description C Show icon in notification area when connected Figure 2 26 Local Area Connection Properties 12 From the properties dialog above select Internet Protocol TCP IP and click on the Properties button From here you can select to dynamically obtain an IP address automatically or manually configure your network connection Internet Protocol TCP IP Properties General You can get IP settings assigned automatically if your network supports this capability Otherwise you need to ask your network administrator for the
254. wing Note You may acquire a better image and reduce the use of black ink on hard copy printouts if the display is first presented in Inverse Video Access this feature from the View drop down menu and select Inverse Video The following procedures only work with Microsoft compatible applications that let you paste images from the clipboard such as Paint The same capabilities may be offered by third party software but are not demonstrated here Copying Screen Shots to Image Editors 1 With the analyzer displaying the 1mage of interest press and hold the Alt key on the keyboard then press the Print Screen key This copies the screen display to the clipboard 2 Open the application to which you wish to paste the image 3 Press and hold the Ctrl key on the keyboard then press the V key to paste the image Note Microsoft Paint may ask you to resize the bitmap Select Yes to this question 4 You may now use the image editing tools provided by the application to make any desired edits such as cropping resizing and annotating the 1mage Copying Screen Shots to Office Tools 1 With the analyzer displaying the 1mage of interest press and hold the Alt key on the keyboard then press the Print Screen key This copies the screen display to the clipboard 2 Open the application to which you wish to paste the image 3 In Microsoft Word place the cursor where you want to paste the 1mage In Microsoft PowerPoint navigate to the
255. yboard combination The Amplitude main menu allows you to set the following Reference Level Parameter Mat Amplitude Amplitude Attenuation Mode Input Attenuation Level Parameter Vertical Scale per division Parameter Y Axis Options Level Offset Parameter Scale Type Log or Linear Scale Units Level Offset Mixer Level Figure 4 3 Amplitude Main Menu MS278XB OM 4 7 Menu Archive Amplitude Menu Front Panel Menus The Amplitude menu lets you set the reference level attenuation level attenuation mode and scale per division of the graticule s Y axis Table 4 5 Amplitude Menu Amplitude 4 8 Reference Level Odem Attenuation Y Manual Auto Scale Diw 10 de Reference Level The reference level is set at the top line of the graticule To change the value press in the Reference Level parameter field and enter a new value using the numeric keys When a new value is entered the terminator fly out will appear with the available units Press on the desired units to terminate the entry Range 30 dBm to 150 dBm does not include Reference Offset Resolution 0 01 dB Default 0 dBm The following unit terminators are supported when the appropriate amplitude units are selected dBm dBmV dBuV W mW uW nW pW fW aW V mV uV nV Attenuation Level and Mode To change the manual attenuation level press in the Attenuation Level parameter field and enter a new value using the
256. you to E select the active marker along with the marker mode and access the marker search functions The default parameter is the active marker selection Measurement Use this key for accessing the advanced measurement menus The advanced measure menus allow you to access the advanced measurement modes of the spectrum analyzer such as RF and Modulation measurements Measurement e Figure 3 2 Major Function Keys 3 6 MS278XB OM Instrument Overview Front Panel Overview Minor Function Keys The minor function keys are located just left of the major function keys and activate second level menu trees on the GUI Each of the minor function keys have default parameters associated with them The default parameter is available for adjustment via the increment keys or rotary knob after the function is activated The key becomes illuminated when it s function 1s active The following list describes each of the key s functionality Trace Use this key for accessing the trace menus The trace menus are used to set the active trace select the trace state set the number of averages for the trace display and to select the detector type The default parameter is the active trace selection Trace Display Use this key for accessing the display menus The display menus are used to activate and set display lines The default parameter is the display line level parameter Sweep Use this key for accessing the sweep menus The sweep men

Download Pdf Manuals

image

Related Search

Related Contents

SITRANS F M MAG 5100 W    このリリースのPDFファイル  Slendertone 0394-2034  CX560 User Manual-英西中(Ver.1)  DK-52 取扱説明書  Entraînement à l`anglais parlé sur la base de sketches  SERVICE MANUAL  

Copyright © All rights reserved.
Failed to retrieve file