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GW Instek Spectrum Analyzers

1. REF OUT REF IN GPIB port Battery cover optional Optional battery pack RS232 s RS232 9 pin DSUB port IF OUT bcc SMA IF Out port DVI I DVI I DVI video out port Supports SVGA 800X600 60Hz Fan Power Socket Power Socket 100 240V 50 60Hz 18 1 5 GETTING STARTED Battery pack REF IN REF OUT Security Lock ALARM OUT TRIG IN GATE IN Phone USB B LAN REF IN 10 MHz REF OUT 10 MHz D ALARM OUT COLLECTOR TRIG IN GATE IN Voltage 10 8V gt Capacity 5200mAH BNC female reference input BNC female reference output 10MHz 500 impedance BNC female open collector Alarm output BNC female 3 3V CMOS trigger input gated sweep input 3 5mm stereo headphone jack wired for mono operation USB B Device port USB 1 1 2 0 RJ 45 10Base T 100Base Tx 19 GW INSTEK GSP 930 User Manual Display Attenuation Date Marker level and time information LXI icon Function menu Scale and EIM Peak seer Sweep level settings Trigger Traces and us waveforms Pre amp settings E Trace and d Detection Message area ncm settings Frequency Bandwidth Stat
2. Adjusting the LCD Brightness eret concernente ne ticae reris eterni ah Turning the LED Backlight Off cnet tette Setting a Display Line Reference Level Line Using the Video Out Port dis i Setting the Display Mode se ess Split Spectrum VIEW usce inerte citet i ti es b Re eet tetti te eb te EH thee nbn Rad 1 System Setting bx MR KERN System Information 1 Error Messages Set the System Language Set the Date and Time oe is is Using the Wake Up Clock etit ties tn PALrogen 1 ss A A N A OO T RR Using the Preset as 1 Save the User Preset Settings Preset Type Settings Power on Preset Settings usen peer ER ORE di trie RR ee 110 38 GW INSTEK BASIC OPERATION Frequency Settings Center Frequency Description The center frequency function sets the center frequency and centers the display to the center frequency Operation 1 Press Few gt Center F1 and enter the frequency and unit Range 0kHz 3GHz Resolution 1Hz Default 1 5GHz Display Center frequency Set Center Frequency 39 INSTEK GSP 930 User Manual Start and Stop Frequency Description The start sto
3. ERA 11 Package COntents iced tectae eda nde pe qii t e pelis poe taped 12 INSTEK GETTING STARTED GSP 930 Introduction The GSP 930 is the most advanced spectrum analyzer GW Instek has produced to date The GSP 930 features a split window display to view data in spectrum topographic or spectrographic views Main Features Performance e 9kHz 3GHz bandwidth e 1Hz resolution e Nominal RBW accuracy of 5 750kHz 8 gt 750kHz e Video bandwidth 1Hz 1MHz 10 steps Amplitude measurement range DANL 30dBm frequency dependent e Input attenuation 0 50dB e Phase noise lt 88dBc Hz 1GHz 10kHz Features 10 step increments for RBW bandwidth e Three display modes Spectrum Topographic and Spectrographic Split window display Built in EMI filter Auto Wake up e Built in preamplifier e Gate sweep e Marker Frequency counter Two operating modes Spectrum and Power Meter mode SEM measurement e ACPR measurement e OCBW measurement GW INSTEK GSP 930 User Manual e Channel power measurement Demodulation analyzer e Diverse marker functions and features with Peak Table Sequence function to automatically perform pre programmed sequential operations Optional battery operation Interface 8 4 color LCD 800x600 e On screen menu icons e DVI I video output e RS 232 with RTS CTS
4. alo 155 State Trace eene GW INSTEK GSP 930 User Manual Firmware update 30 First time use instructions 24 FM Analysis ss 123 Frequency Center frequency sss Center frequency step m Frequency Start frequency sees Stop 40 Front panel diagram 13 Glossary c seen 207 Ground Symbol rris 3 Language eee 106 Limit lines Creation etes 159 Deletion 163 Overview 159 Pass fail testing 163 List of features 9 Marker Delta markers 87 Functions Frequency counter acere 90 89 Move to trace 2 91 Moving delta markers 88 Moving markers manually 86 Moving markers to preset positions 86 Moving reference markers 88 Normal marker 85 Peak configuration 95 Peak search neret 93 Peak table Table Marketing Contact 205 Measurement 114 AM Analysis 119 AM FM demodulation sound 127 e sessssesssssosenssissonessosesueseasevengeats 152 bandwidth
5. A B a ABCDE D b FGHIJ E KLMNO Lowercase d lt gt Rename gt PQRST Return e M UVWXY 0 4 0 4 2 Return WT Return Y Rename Complete 5 The filename appears in the list as it is renamed Filename 6 Press to confirm the renaming of the file The USB and micro SD card options will only Note available when a flash drive SD card is inserted into the front panel ports 186 GW INSTEK FILE Save Files Description Any function settings or configurations that have been applied to the spectrum analyzer can be saved using the key Connect External To save files on a USB flash drive or micro SD Memory card insert the appropriate device into the front panel ports Save File 1 Press to enter the Save menu 2 Press Type F2 and select a file type to save See page 179 for details on file types State State data Trace Trace data Screen Screen shots Limit Line Limit line data Correction Correction data Sequence Sequence files Power meter Power meter data 3 Press Data Source F3 to select a data source for the file type if needed For state data Local state data trace data Tracel 4 For screen shots Normal Screen shot is saved as is Save Toner inverts the image file color to reduce ink when printing For limit line Limit line 1 5 For correction Correction data 1 5 For sequence Seq
6. F 3d o a E 9 x B Auto Auto Scale Return Return Bypass Free Run Edge Slope Rising Falling Trigger Mode Trigger Level 9 Trigger Delay ms Run Now Return see page 120 for the selectable LPF filter bandwidths 231 GW INSTEK GSP 930 User Manual From Measure gt Demod gt FM Analysis IF Bandwidth 300kHz LPF gt Bypass AF Trigger gt Bypass coe Seo FM Analysis On Off Min Max Reset Ref Value 30Hz Ref Pos 5 Scale Div 10 Hz Auto Scale Trigger Delay 50 ms NEN see page 124 for the selectable LPF filter bandwidths Ref Value 0 0ns Ref Pos 5 Scale Div 10 00ms Auto Scale On Off Edge Slope Rising Falling Trigger Mode Sgl Cont Trigger Level 10 Hz 232 GW INSTEK APPENDIX From Measure gt SEM From Measure gt SEM gt 3GPP gt From Measure gt SEM gt 3GPP gt REF Channel Offset Limit Duplexing Chan toy BW Table i FDD TDD Chan Span 3 96 MHz FDD Setup HBW 10kHz TDD Setup uto Man Total Pwr Ref 74 3dBm Auto Man 233 GW INSTEK GSP 930 User Manual From Measure gt SEM gt 3GPP gt Offset Limit FDD Setup Transmission BS Mode BS lai Max Out Wwe 39 lt P lt 43 6 lt P lt 20 Additional Max Out Pwr gt 31 lt P lt 39 P lt 6 None V AB c
7. 128 252 117 Overview w 112 Phase 129 SEM p 144 dC M 147 DVOEVIO Wa cipio riri 132 USER re eec 145 KO 150 Menu tree Amplitude eee 211 Autoset 213 BW Avg 213 Display 216 BING 222 Frequency see 213 Limit line 214 Trigger s 215 bandwidth 128 OCBW tn peores 117 Occupied bandwidth 117 Package contents 12 Peak 93 Peak 96 Phase 129 Power meter Activation essere 173 Data 175 Power on off Safety instruction 4 Power p a essaie 26 27 Pre amplifier 57 Preset teet tette tin 109 Power on settings 110 Settings 109 110 Quick save 192 GW INSTEK INDEX hj 61 Sweep Rear panel diagram 18 Continous 68 Remote 194 Gated sweep sse 68 GPIB configuration 195 Single SWEEP es
8. Brequency e Sp n Settings Full Span Zero Span zs iy sis is Last Spat Amplitude Settings Reference Level Attenuation Scale Div Scale Type View Scale sette ome roni emenda nU Reference Level Offset ae oe Sa Amplitude Cottection tc tnter is ie citet tet best d es eise t Create a Correction Amplitude Correction On Off Delete Correction Set Save Correction Set To Memory Recall Correction Set From Memory seen 56 Input Impedance ettet ttt tnnt etude tette betta babe te Input Impedance Calibration ia Using the Built in Pre Amplifiet eee rene entire tinens 57 BULDSbE su dici eio Hie eie i ene p M 59 Using Auto Sefyu re pu nien PUDE ee Ii D 59 Limiting the Autoset Vertical Search Range sss 60 36 GW INSTEK BASIC OPERATION Limiting the Autoset Horizontal Search Range see 60 Bandwidth Average 61 Resolution Bandwidth Setting 61 Vid o Bandwidth Settings V BW 62 VBW RBW Ratio Average Trace Average
9. Main CHBW Analysis gt g ACPR Setup gt 2 000000MHz Main CH Demod gt or SHR HLimit 0 00dBm NdB Bandwidth gt OCBW Setup gt LLimit 5 OFS 1 950 Phase OCBW H SP Jitter gt On 2 000000MHz Q ADJCH Setup gt Channel SEM gt Move Up Channel Def Help Move Down On Off Return Return Phase Jitter NdB BW CHBW Select Adj Ch gt n On Off 2 000000MHz AdjCh1 Start Offset N dB CH SPC 0 00008 2 000000MHz on off AdjCh2 Stop Offset OCBW ADJ CHBW 90 0 2 000000MHz AdjCh3 OCBW SPAN 3 000000MHz ADJ CH Offset 2 000000MHz ADJ CH H Limit 0 00dBm ADJ CH L Limit 0 00dBm Return Return Return 9 g D o 6 Q g 9 UJ V 2 5 229 GW INSTEK GSP 930 User Manual From Measure gt Demod From Measure TOI TOI On Off Reference Lower Upper Limit 30 00dBm AM Analysis Analysis gt volume Digital Gain Sound gt Control 0 000dB Demod Type AM FM Pass Fail Test Off From Measure gt CNR CSO CTB oise Marking in AMarker 230 1 5 APPENDIX From Measure gt Demod gt AM gt 5 m lt E o AM Analysis IF Bandwidth 300kHz LPF gt Setup gt Bypass Min Max Reset Time Axis gt Depth Axis gt AF Trigger gt Return Ref Value Ref Value 0 0ns 2 Ref Pos Ref Pos 5 Scale Div Scale Div 10 00ms 9 g I adi
10. Set the of the OCBW to CHBW Move Channels 1 Press C Channel Analysis F1 and select Up Down Channel Move Up F5 Next main channel Channel Move Down F6 Previous main channel The channel space CH SPC parameter Note determines where the next main channel is located The CH SPC parameters from the ACPR and OCBW setups are independent 118 GW INSTEK ADVANCED OPERATION AM FM Analysis AM Analysis Description When amplitude modulation is turned on the input signal is centered on the center frequency and the span is automatically set to zero span Measurement AM Depth Current Min Max items Mod Rate Current Min Max Carrier Pwr Current Min Max Carrier Freq Offset Current Min Max SINAD Current Min Max Operation 1 Set the center frequency to the carrier frequency configuration page 39 2 Press gt Demod F2 gt AM Analysis F1 gt AM Analysis F1 and turn AM analysis on Any other measurement mode will automatically be disabled 3 The display splits into two screens The top shows the AM waveform in the time domain The bottom screen shows the AM measurement 119 GW INSTEK GSP 930 User Manual AM waveform AM modulation measurements 4 Press Setup F2 gt IF Bandwidth F1 and set the Intermediate frequency bandwidth Set with adequate bandwidth to accommodate spectrum contained in the carrier Press LPF F2 t
11. LCD Function Main Control File keys display keys keys Power key A Ss Marker keys C State keys N Scroll wheel le el Arrow keys J RF input terminal USB A Tracking Numeric DC power Micro SD generator Enter and supply port output BK SP keys LCD display 800x600 color LCD display The display shows the soft keys for the current function frequency amplitude and marker information Function keys _ The F1 to F7 function keys directly correspond to the soft keys on the right hand side of display Main keys Sets the center frequency start frequency stop frequency center frequency step and frequency offset values 13 GW INSTEK GSP 930 User Manual span Sets the span with options for full span zero span and last span Sets the amplitude reference level attenuation pre amplifier controls scale and other options for attenuation and scale Amplitude Automatically searches the peak signal with maximum amplitude and displays it with appropriate horizontal and vertical scales Sets the resolution bandwidth video bandwidth average type and turns the EMI filter on off Control keys BW Avg Sweep Sets the sweep time and gate time Sets traces and trace related functions Trace The Display key configures the windowing mode and basic display properties Display Accesses measuremen
12. Example Relative Absolute mask Channel integrated BWe gt i Offset lt i Offst2 K Offset 3 Parameters Chan Inte BW Channel Integration Bandwidth The Chan Inte BW is used to measure the in channel power 132 1 5 ADVANCED OPERATION Chan Span Used to define the span of the main channel when measuring the channel power RBW Sets the resolution bandwidth for the main channel when measuring the in channel power Total Power Reference The total power of the carrier that is used as the reference for calculating the offset power PSD Ref The mean power spectral density of the carrier that is used as the reference for calculating the offset power Select Offset Selects the offset pairs 1 5 used for configuration Start Freq Sets the start frequency offset for the selected offset number Stop Freq Sets the stop frequency offset for the selected offset number RBW Sets the resolution bandwidth of the selected offset number Abs Start Sets the absolute level limit at the Start Freq for selected offset number 133 GW INSTEK GSP 930 User Manual Abs Stop Sets the absolute level limit at the Stop Freq for the selected offset number The Abs Stop level limit can be set to Couple or Man Man allows Abs Stop to be user defined while Couple will lock Abs Stop to the A
13. 7 68 Mcps 7 68Mcps 10M Hz Unit MHz Abs RBW gt 43 5 lt lt 5 2 17dBm 30kHz 5 2 lt B lt 6 17 29dBm 30kHz 6 lt C lt 24 5 16dBm 1MHz Unit MHz Absl l RBW 39 lt P lt 43 5 lt A lt 5 2 17dBm 30kHz 5 2 lt B lt 6 17 29dBm 30kHz 6 lt C lt 15 16dBm 1MHz 15 lt 0 lt 24 5 P 59dB 1MHz Unit MHz Absl l RBW 31 lt P lt 39 5 lt A lt 5 2 P 56dB 30kHz 5 2 lt B lt 6 P 56 P 68dB 30kHz 6 lt lt 15 P 55dB 1MHz 15 lt 0 lt 24 5 P 59dB 1MHz Unit MHz Abs RBW P 31 5 lt lt 5 2 25dBm 30kHz 5 2 lt B lt 6 25 37dBm 30kHz 6 lt C lt 15 24dBm 1MHz 15 lt 0 lt 24 5 28dBm 1MHz 140 GW INSTEK ADVANCED OPERATION 3GPP TDD UE The channel span 3 84Mcps 5MHz 1 28Mcps 1 6M Hz 7 68Mcps 10M Hz Note A B C D E denote offsets 1 to 5 respectively Unit MHz Rell2 RBW 3 84Mcps 2 5 lt lt 3 5 35 50dBc 2 3 5 lt lt 7 5 35 39dBc 1MHz 7 5 lt lt 8 5 39 49dBc 1MHz 8 5 lt D lt 12 5 49dBc 1MHz Unit MHz Rel RBW 1 28Mcps 0 8 lt lt 1 8 35 49dBc 30kHz 1 8 lt lt 2 4 49 59 2dBc 30kHz 2 4 lt lt 4 44dBc 1MHz Unit MHz Rel RBW 7 68Mcps 5 lt lt 5 75 38 46dBc 30kHz 5 75 lt B lt 7 46 53dBc 30kHz 7 lt C lt 15 38 42dBc 1 gt 2 15 lt D lt 17 42 52dBc 1MHz 17 lt E lt 25 53dBc 1MHz 802 11b The channel span 22M Hz Note A B denotes offsets 1 and offset 2 Here the default value of f is 24MHz This can be user define
14. A 30dBm MAX RF input port Accepts RF inputs Maximum input 33dBm Input impedance 500 Maximum DC voltage 50V e N type female DC power supply lt 500 A DC Z OUTPUT SMB port supplies power for optional accessories DC 7V 500mA Max 16 GW INSTEK GETTING STARTED The numeric keypad is used to enter vales and parameters It is often used in conjunction with the arrow keys and scroll wheel Numeric keypad TG output port The Tracking Generator TG Output source TG OUTPUT 500 N type female 50V e SU e Input impedance 500 Output power 50dBm to 0dBm Maximum reversed power 30dBm USB A MicroSD MES USB A port Micro SD port for gt saving recalling settings files 17 GW INSTEK GSP 930 User Manual Rear Panel IF OUT DVI I USB B Fan Power port LAN port socket A RS232 port TRIGIN GATE IN port HA ALARM OUT OPEN COLLECTOR
15. 189 GW INSTEK GSP 930 User Manual N If the file name is not user defined a file name will Note be automatically created in the following format for data files File name Type data source XX file extension The image file names will be automatically created in the following format File name NowPicture_XX jpg The XX parameter is incremented each time the same file type is created The USB and micro SD card options will only be Note available when a flash drive SD card is inserted into the front panel ports Recall Files Description Any file that has previously been saved can be recalled using the key Connect External To recall files from a USB flash drive or micro Memory SD card insert the appropriate device into the front panel ports 1 Press to enter the Recall menu 2 Press Type F2 and select a file type to save See page 179 for details on file types State State data Trace Trace data Limit Line Limit line data Correction Correction data Sequence Sequence files 190 1 5 FILE Recall File 1 Power meter Power meter data Press Destination F3 to select the destination for the file type For State data Local state data For Trace data Tracel 4 For Limit Lines Limit line 1 5 For Correction Correction data 1 5 Sequence Sequence 1 5 For Power Meter Power meter 1 5 Press Recall From F1 and select a source location R
16. Fail Mask More 1 2 Absolute Return Return 239 1 5 GSP 930 User Manual GSP 930 Specifications The specifications apply when the GSP is powered on for at least 30 minutes to warm up to a temperature of 20 C to 30 C unless specified otherwise Frequency Frequency Range 9 kHz to 3 0 GHz Resolution 1 Hz Frequency Reference Accuracy period since last adjustment X aging rate stability over temperature supply voltage stability Aging Rage 2 ppm max 1 year after last adjustment Frequency 0 025 ppm to 50 C Stability over Temperature Supply Voltage 0 02 ppm Stability Frequency Readout Accuracy Start Stop marker frequency indication X frequency Center Marker reference accuracy 10 x RBW frequency resolution Sweep points 601 Span 0 6 to 601 Span 0 Marker Frequency Counter Resolution 1 Hz 10 Hz 100 Hz 1 kHz Accuracy marker frequency RBW Span gt 0 02 indication X frequency Mkr level to DNL gt 30 reference accuracy dB Frequency Span counter resolution Range 0 Hz zero span 100 Hz to 3 GHz Resolution 1 Hz Accuracy frequency resolution 240 GW INSTEK APPENDIX Phase Noise Offset from Fc 1 GHz RBW 1 Carrier kHz VBW 10 Hz Average gt 40 10 kHz lt 88 dBc Hz TypicaP 100 kHz lt 95 dBc Hz Typical 1 MHz 113 dBc Hz Typical Resolution Bandwidth RBW Filter Filt
17. dBuV a W lt lt lt 8 lt lt lt dBm dBm EE vy 0 3 lt lt lt lt 3 212 1 5 Frequency Span Auto set BW Avg Sweep APPENDIX Center Freq 1 2345GHz Start Freq 1 2345GHz Stop Freq 1 2345GHz CF Step 1 00000MHz Auto Man RBW 1MHz Man VBW 1MHz Auto Man VBW RBW 1 00000 Average 20 On Off Average Type Log Power EMI Filter On Off Span 1 2345GHz Full Span LOG Power Volt Average Amp Floor 80 00dBm Man Span 3 000000MHz Sweep Time 50 00 ms Auto Man Sweep Single Sweep Cont Gated Sweep Mode On Off Gate Delay 50 0 ms Gate Length 540 ms 213 GW INSTEK GSP 930 User Manual Limit Line i Select Limit gt Limit Line gt Point Num Limit 1 Pass Fail Test Frequency Point by Point OHZ Limit 2 Trace Data to Limit Line gt Limit 0 00dBm Limit 3 Mkr Data to m Limit Line Limit 4 Save Limit Line Limit 5 Delete Limit ine Delete Point Return Return s o High Limit gt Point Num Create Limit Line Limit 1 ow Low Limit gt imi Mkr Data to Limit Offset Limit 2 Point Pass Criterion All In Man In Limit 3 Limit Offset Min In r ass Fall Test Limit 4 Limit 5 OFF Return Return Return ho S g 2 UJ 214 GW INSTEK APPENDIX Trigger Sequence Trigger Ext Ed wi Edge Video Level ii TG Trig
18. 1 5 GSP 930 User Manual 5 Press CNR F2 and turn CNR on Any other measurement mode will automatically be disabled e Ensure the aural and color subcarriers are disabled before CNR is turned on 6 The display splits into two screens The top shows the trace with the visual carrier marker and the noise marker The bottom screen shows the CNR measurements Visual carrier Noise marker marker CNR measurements 7 Press CNR CH SP F2 to set the channel space Range 0 3GHz 8 Press Channel Move Down F4 or Channel Move Up F5 to move to the next or previous channel N Note 154 Ensure the aural and color subcarriers are turned off when making CNR measurements 1 5 ADVANCED OPERATION Composite Second Order CSO Description Composite Second Order measurement calculates the difference in amplitude between the carrier signal and the composite second order beat Parameters CSO CH SP The channel space Measurement Visual Carrier frequency amplitude items Channel Space frequency CSO amplitude difference Example 1 PEN lt Visual carrier marker o oo T o lt CSO Beat marker 5 ME Aural audio carrier pacang To next main channel Operation 1 Press CNR CSO CTB F7 gt Setup F1 gt CSO F2 and choose CSO 2 Press CSO F2 and toggle CSO on Any other measurement mode will automatically be disabled The
19. 103 GW INSTEK GSP 930 User Manual N No operations can be performed in alternate Note sweep mode After exiting the split spectrum view the analyzer will use the settings from the active window The settings for the inactive screen will be retained for the next time that split spectrum view is used Example 104 INSTEK BASIC OPERATION System Settings System Information Description The System Information displays the following Serial Number Installed Options Version Calibration Date Software LOI Firmware RF File sys TG RF DNS Hostname TG MAC Address DSP Wordlist Core Operation 1 Press See gt System Information F1 to bring up a list of the system information Error Messages Description View error messages that are in the error queue by message number description and time AII errors from the system error queue are logged when operating the analyzer For a list of the error messages please see the programming manual Operation 1 Press See Error message F2 to bring up the error message table 2 Press Preo Page F2 and Next Page F3 to navigate through each page of the error list 105 GW INSTEK GSP 930 User Manual 3 Press Clear Error Queue F6 to clear the error messages from the list Set the System Language Description The GSP 930 supports a number of languages The system language sets the soft menu keys to the selected
20. 3 Press Normal F3 and then position the marker to the desired location 4 Press Function F5 gt Frequency Counter F1 and turn the counter function on 5 Press Resolution F2 and set the resolution Auto Automatically chooses the best resolution Man Allows the resolution to be manually set Man Range 1Hz 10Hz 100Hz 1kHz 6 The display will show the frequency measurement at the top of the screen at the selected resolution Frequency 90 INSTEK BASIC OPERATION Move Marker to Trace Description The Marker Trace function moves the selected marker to any of the currently active traces Operation 1 Press gt Select Marker F1 and select a marker number 2 Press F2 to turn the selected marker on 3 Press More 1 2 F7 gt Marker Trace F1 and choose a trace to move the current marker to Only active traces can be selected Autof F T TraceT F2 TraceZ F3 Trace3 F4 Trace4 F5 4 In the example below marker 1 is set to 1 and marker 2 is set to Trace2 Marker 1 Trace 1 Marker 2 Trace 2 91 GW INSTEK GSP 930 User Manual Show Markers in Table Description The GSP 930 has a Marker Table function to show all the active markers and measurements at once Operation 1 Press gt More 1 2 F7 gt Marker Table F2 and turn the marker table on 2 The display will split into two screens The bottom half will show the Marker Tabl
21. FM waveform FM modulation measurements 4 Press Setup F2 gt IF Bandwidth F1 and set the Intermediate frequency bandwidth 10kHz 30kHz 100kHz 300kHz 1MHz Set with adequate bandwidth to accommodate spectrum contained in the carrier Press LPF F2 to set the low pass filter frequency alternatively the frequency can be set to bypass Signal Frequency Hz Selectable bandwidth of LPF Hz 278 125 156 250 78 125 52 083 39 063 31 250 239 063 78 125 39 063 26 042 19 531 15 625 219 531 39 068 19 531 13 021 9 766 7 813 27 813 15625 7 813 5 208 3 906 3 125 23 906 7 813 3 906 2 604 1 953 1 563 21 953 3 906 1 953 1 302 977 781 2781 1 563 781 521 391 313 2391 781 391 260 195 156 2195 391 195 130 98 78 gt 78 156 78 52 39 31 239 78 39 26 20 16 gt 20 39 20 13 10 8 28 16 8 5 4 3 GW 6 ADVANCED OPERATION 6 Press Time Axis F3 to set horizontal axis parameters Ref Value F1 Sets the starting time on the time axis Ref Pos F2 Shifts the waveform X number of grid subdivisions Scale Div F3 Sets the grid division scale when Auto Scale is Off Auto Scale F4 Toggles auto scaling on off 7 Press Deviation Axis F4 to set depth vertical parameters Ref Value F 1 Offsets the reference position in frequency Ret Pos F2 Sets the reference position of the waveform on a horizontal grid subdivision 1 10 Scale Div F3 Sets the horizontal grid division s
22. GW INSTEK GSP 930 User Manual Turn off the visual carrier signal from the input and press the key on the front panel Asecond trace will appear to mark the CTB amplitude This will place a marker 2 on the second trace and calculate the difference 1 2 Press CH SP F2 to set the channel space Range 0 3GHz Press Channel Move Down F4 or Channel Move Up F5 to move to next or previous channel N Note 158 To perform the CTB measurement again press Setup FT CTB F3 RestartfF 1 GW INSTEK ADVANCED OPERATION Limit Line Testing The limit line is used to set the upper or lower amplitude limits over the entire frequency range The limit lines can be used to detect whether the input signal is above below or within the limit lines The limit lines can be manually or automatically created The limit lines can be manually edited by frequency or from the trace data or marker points Creating a Limit Point by Point from page 159 e Creating a Limit from Trace Data from page 161 e Creating a Limit from marker data from page 162 e Creating a Limit from marker data from page 162 Delete Limit Line from page 163 e Pass Fail Testing from page 163 Creating a Limit Point by Point Description Create a limit manually point by point A maximum of ten points can be used Operation 1 Press C tm gt Edit Limit Lines F1 Limit Line F1
23. GW INSTEK GSP 930 User Manual Scale Div Description Sets the logarithmic units for the vertical divisions when the scale is set to Log Operation 1 Press wwe Scale Div F3 repeatedly to select the vertical division units Unit Range 10 5 2 1 Display The Scale Div function is only selectable when the Note scale is set to Log logarithmic Scale Type Description Sets the vertical scale in linear or logarithmic units By default the linear scale is set to volts and the logarithmic scale is set to dBm Operation 1 Press gt Scale Type F4 and set the vertical scale to Log or Lin N If the unit scale is changed i e dBm volts the Note displayed vertical scale type will remain in the set linear or logarithmic setting GW INSTEK BASIC OPERATION View Scale Description The Scale function turns the vertical scale on off The value of each graticule division is displayed with same units used for the Ref Level settings Operation 1 Press gt Scale F5 to toggle the Scale on or off 2 Press Scale Pos F6 to toggle the position of the scale when on Scale position Left Center Right Display The vertical scale is displayed on the left hand side by default 49 INSTEK GSP 930 User Manual Vertical Scale Units Description Change the vertical units for both linear or logarithmic scales Operation 1 Press Cw More F7 Y Axis F1
24. gt Amp Floor F2 and switch the range from Auto to Man 2 Enter the amplitude limit and unit for the Autoset search Range 80 to 20dBm See page 48 for setting the amplitude units Note Limiting the Autoset Horizontal Search Range Description You can change the frequency span limit in the display to get a better view of the Autoset result By default the frequency span after Autoset is set at 3MHz Operation 1 Press gt Span F3 and switch the range from Auto to Man 2 Enter the span frequency for the Autoset search Manual Range 100Hz to 3GHz 60 GW INSTEK BASIC OPERATION Bandwidth Average Settings BW Avg key sets the resolution bandwidth RBW video bandwidth VBW and averaging functions The resolution sweep time and averaging are in a trade off relationship so configuration should be done with care Resolution Bandwidth Setting RBW Description RBW Resolution Bandwidth defines the width of the IF intermediate frequency filter that is used to separate signal peaks from one another The narrower the RBW the greater the capability to separate signals at close frequencies But it also makes the sweep time longer under specific frequency spans the display is updated less frequently Operation 1 Press 9 s gt RBW F1 and set the RBW to Auto or Man 2 Set the resolution bandwidth and unit for Man mode Mode Auto Man Frequency Range 3dB 10Hz
25. 25 INSTEK GSP 930 User Manual Power UP Steps 1 Insert the AC power cord into the power socket 2 The power button exterior will be lit blue to indicate that the GSP 930 is in standby mode gt 3 Press the power button to turn the GSP 930 on 4 The power button will turn orange and the GSP 930 will start to boot up O N It takes approximately 1 5 minutes for the GSP 930 Note to fully startup 26 INSTEK GETTING STARTED Power Down Description The GSP 930 has two methods to power down Normal and Forced Power Down The normal power down method will save the system state and end any running processes The state is saved for the next time the instrument is turned back on The forced power down method only does a minimum state save Normal Power Press the power button The system will Down automatically handle the power down procedure in the following order The system state is saved e Outstanding processes are closed in sequence The LCD backlight is turned off The system enters standby mode the power key changes from orange to blue N The process takes 10 seconds Note Forced Power Press and hold the power button for 4 Down seconds until the system turns off and the power button turns blue N The forced down mode might cause the GSP Note 930 to perform a longer system check the next time it is powered up GW INSTEK GSP 930 User Manual
26. Next Peak 94 INSTEK BASIC OPERATION Example Next Peak Right Example Next Peak Left Peak Configuration Description There are two peak search configuration options Peak Excursion and Peak Threshold Peak Excursion Peak Excursion sets the minimum value above the peak threshold for which peaks will be detected 95 GW INSTEK GSP 930 User Manual Peak Threshold Peak threshold sets the minimum threshold level for the analyzer to detect peaks Any value above the Peak Threshold Peak Excursion will be detected as a peak Peak detection area Peak Excursion Operation 1 Press 55 More 1 2 F7 2 Press Peak Excursion F2 to set the excursion level 3 Press Peak Threshold F3 to set the peak threshold Peak Excursion 0 100dB Peak Threshold 120dB 30dB Peak Table Description The Peak Table function will display all peaks up to 10 that meet the peak configuration settings The amplitude and frequency for each peak is listed Operation 1 Press sen gt More 1 2 F7 gt Peak Table F5 96 GW INSTEK BASIC OPERATION 2 Press Peak Sort F2 and set the sorting type Freq Sort by frequency in ascending order Amp Sort by amplitude in ascending order 3 Press Peak Table F1 to turn the peak table on 4 The display splits in two The bottom screen shows the peak table with the peak marker ID X axis position and amplitude Peak ma
27. Setting the Date Time and Wake Up Clock Description The GSP 930 can be setup to power up automatically using the Wakeup Clock function This feature is useful to wake up the instrument early and eliminate settling time System Date Example Set the System Date to March 1 2012 1 Press Ss Date Time FA Set Date F1 gt Year F1 2 Press 2012 gt Enter F1 3 Press Month F2 gt 3 gt Enter F1 4 Press Day F3 gt 1 gt Enter F1 5 Press Return F7 N The System Date will be shown at the top of the Note display System Time Example Set the System Time to 9 00 AM 1 Press 5 v Date Time FA Set Time F2 gt Hour F1 2 Press 9 gt Enter F1 3 Press Minute F2 gt 0 gt Enter F1 4 Press Second F3 gt 0 gt Enter F1 5 Press Return F7 GW INSTEK GETTING STARTED AN The System Time will be shown at the top of the Note display System Wake Up Example Set the GSP 930 to wake up at 9 00 Clock AM 1 Press gt Date T ime F4 gt Wake Up Clock F3 gt Clock F1 2 Press Clock F1 to choose a clock 1 7 3 Press State F2 to turn the clock on off 4 Press Hour F3 gt 9 gt Enter F1 5 Press Minute F4 gt 0 gt Enter F1 6 Press F5 and choose Rept Repeat or Single 7 Press Select Date F6 and select a day 8 Press Return F7 to save the Wake Up Clock settings N The system time is kept with the CR2032 clock Note battery If the system time wake
28. 210mAh Connection 1 Turn off the GSP 930 and 5 gt remove the battery cover LNS battery if connected 2 Replace the battery with the same type and specification 206 GW INSTEK APPENDIX Glossary of Acronyms Acronym Definition 3GPP 3 9 Generation Partnership Project ACPR Adjacent Channel Power Ratio BS Base Station CF Center Frequency CH BW Channel Bandwidth CH SPC Channel Space CNR Carrier to Noise Ratio CSO Composite Second Order CTB Composite Triple Beat DANL Displayed Average Noise Level Def Default DL Down Link DSSS OFDM Direct Sequence Spread Spectrum Orthogonal Frequency Division Multiplexing EMI Electromagnetic Interference ERP CCK Extended Rate Physical layer Complimentary Code Keying ERP DSSS Extended Rate Physical layer Direct Sequence Spread Spectrum ERP OFDM Extended Rate Physical layer Orthogonal Frequency Division Multiplexing ERP PBCC Extended Rate Physical layer Packet Binary Convolutional Code ETSI European Telecommunications Standards Institute FDD Frequency Division Duplexing IF Intermediate Frequency LOI Local Oscillator LPF Low Pass Filter LXI LAN eXtensions for Instrumentation OCBW Occupied Channel Bandwidth PSD Power Spectral Density RBW Resolution Bandwidth REF Reference SEM Spectrum Emission Mask SINAD Signal to Noise and Distortion Ratio TDD Time Division Duplexing 207 GW INSTEK GSP 930 User Manual TG Tracking G
29. Any other measurement mode will automatically be disabled 2 The display splits into two screens The top shows the trace with the absolute and or relative masks The bottom screen shows the SEM measurement results 144 INSTEK ADVANCED OPERATION Absolute limit line SEM measurements User Defined 1 Press Setup F1 gt User Define F6 to set SEM Parameters measurement to user defined parameters 2 Press Meas Type F1 choose between TotalPwrRef F1 or PSDRef F2 3 Press Ref Channel F2 and set the following ChanIntegBW F 1 Sets the channel integration bandwidth Chan Span FZ Sets the channel span RBW F3 Sets the resolution bandwidth TotalPwrRef F4 Sets the total PSDReffF4 power reference level 4 Press Return F7 to return the previous menu 145 GW INSTEK GSP 930 User Manual 5 Press Offset Limit F3 to set the offset parameters SelectOffset F 1 Select which offset to edit F2 Toggles the selected offset on off StartFreq F3 Sets the start frequency of the selected offset StopFreq F4 Sets the Stop Frequency of the selected offset RBWIF5 Sets the RBW of the selected offset 6 Press More 1 2 F6 to set absolute and relative level limits and conditions Abs Start F2 Sets the absolute start level limit for the selected offset Abs Stop F3 Sets the absolute stop level limit for the selected offset Man Allows a user defined Abs Stop
30. From System More 1 2 Rmt Interface Config RS232 Baud Rate 221 INSTEK GSP 930 User Manual Mode File Power Unit High Limit Frequency Low Limit Sensor Mode Pass Fail Test LowNoise Fast On Off Pass Fail Test gt Trigger Free Ext SD Card Name Copy to gt 222 GW INSTEK APPENDIX From File gt Type From File gt Delete Delete Now Delete Warning Don t Ask Ask sta Trace Screen 1 9 1 2 Return 2 2 From File gt Rename ABCDE UVWXY 223 GW INSTEK GSP 930 User Manual Save Mode Power Meter See Save gt Save To gt Local Save Save To gt Local Hour 06 Record Stop State 0 00 0 Minute 07 Type gt State Record Step o Data Source Second Screen PMET Record Option Name Record Stop Record Now Power Meter Return Return o 9 2 e ze ES m See File gt Rename According to type Power Meter State Normal Local State Save Toner e N 24 GW INSTEK APPENDIX From Save gt Save To gt Local Register 1 Register 2 Register 3 Register 4 Register 5 Register 6 More 1 2 225 GW INSTEK GSP 930 User Manual Mode Spectrum Save To gt Local See Save gt Save To gt Local State Trace Type gt Trace Trace State Trac
31. Pre amplifier ee 99 Display diagram 20 Reference level offset Di isposal instructions 6 Scalei oai do Scale diy Disposal symbol 3 Vertical scale unit 50 EMI Filter eene 66 View scale 49 61010 59 Measurement category Horizontal settings 60 Pollution degree Vertical settings 60 Environment Average Safety instruction 5 Trace FAQ PEE aba SE 205 Type File Bandwidth files cirian 183 RBW 61 Correction 181 62 Delete titio VBW RBW 62 File explorer E Battery File types Safety instruction 5 Limit line data Battery 25 files MERERI Oe arenae Carrier to noise ratio 152 VSN iss ARR CUNT NAM Power meter data Caution symbol 3 Cleaning the instrument 5 Recall CINE em 152 Rename files Composite second order 155 Save files Composite triple beat 156 Screen files Conventions 32 Sequence
32. and then choose the desired units 2 The units are changed accordingly Units dBm dBmV dBuV Watts Volts Reference Level Offset Description The Reference Level Offset function sets an offset value to the reference level to compensate for any loss or gain from an external network or device The offset value does not affect the input attenuation or the on screen trace This setting will change the reference level readout the scale readout and the marker readout Operation 1 Press Aet gt More F7 gt RefLulOffset F2 and set the offset level and unit 2 To remove the offset level set the reference offset to 0 dB Range OdB 50dB Display Icon The AMP icon is displayed at the bottom of the screen INSTEK BASIC OPERATION Example Ref Before reference level offset OdB Reference level Ref 10dBm offset 10dB After reference level offset offset 10dB Amplitude Correction Description Amplitude correction adjusts the frequency response of the spectrum analyzer by altering the amplitudes at specified frequencies This allows the spectrum analyzer to compensate for loss or gain from an external network or device at certain frequencies Range Correction Sets 5 sets of 30 points Amplitude 40dB to 40dB Amplitude Resolution 0 1dB Frequency 9kHz to 3GHz Frequency Resolution 1Hz 51 GW INSTEK GSP 930 User Manual Display Correction points
33. default or the configuration settings that were used before the instrument was turned off Operation 1 Press gt Pwr On Preset F5 Power On F1 and choose the power on settings Power On Last Preset See Preset Type Settings page 209 for details on Note the preset conditions The last preset conditions cannot be loaded if the instrument was not powered down correctly the last time it was used Please see page 27 for details GW INSTEK ADVANCED OPERATION EEE ES Channel Analysis Overview eet AM Analysis FM Analysis AM FM Demodulation etit teret eee tee ee dB Bandwidth Phase Jitter Measurement Spectrum Emission Mask Overview Spectrum Emission Mask Testing enssanssansoasssanssennncananoninons Third Order Intermodulation Distortion CNR CSO CTB Measurement Cattier to Noise Ratio CNR Composite Second Order CSO sss Composite Triple Beat 1 Limit Line Testing 4 2 5 pter eo oro apo ona Repo evo Revue uota Creating a Limit Point by Point sentent 1 Creating a Limit from Trace Data Creating a Limit from marker data sse 162 WG le te ERE RR 163 Pass Fail T
34. off ADJCHBW F3 Choose the bandwidth of the selected channel 115 GW INSTEK GSP 930 User Manual ADJCH Offset F4 Set the adjacent channel offset ADJCH HLimit F5 Set the adjacent channel high limit ADJCH LLimit F5 Set the adjacent channel low limit Repeat the above steps for the other adjacent channels if needed Move Channels 1 Up Down Press meas gt Channel Analysis F1 and press the following to move to another channel Channel Move Up F5 Next main channel Channel Move Down F6 Previous main channel N Note 116 The channel space CH SPC parameter determines where the next main channel is located GW INSTEK ADVANCED OPERATION OCBW Description Occupied bandwidth measurements are used to measure the power of the occupied channel as a percentage to the power of the channel Example CBWE a EN Operation 1 Press ve Channel Analysis F1 OCBW FA Setting up the and turn OCBW on main channel Any other measurement mode will automatically be disabled 2 The display splits into two screens The top shows the channel bandwidth The bottom screen shows the OCBW measurement results in real time 117 GW INSTEK GSP 930 User Manual CH BW Channel power and total power results 3 Press OCBW Setup F3 to enter the OCBW setup CHBW F T Set the channel bandwidth CH SPCIF2 Set the channel space between main channels
35. 3kHz 1 3 10 step 10kHz 1MHz 10 step Frequency Range 6dB 200Hz 9kHz 120kHz Display Icon H The BW icon is displayed at the bottom of the screen when the RBW is in Man mode AN If the RBW settings have an asterisk it Note indicates that the 6dB filters are used 61 GW INSTEK GSP 930 User Manual Video Bandwidth Settings VBW Description VBW Video Bandwidth defines the smoothness of the trace on the display Combined with RBW VBW defines the ability to sort out the target signal from surrounding noise or adjacent peaks Operation 1 Display Icon VBW RBW Ratio Press ea gt and set the VBW to Auto or Man Set the video bandwidth and unit for Man mode Mode Auto Man Frequency Range 3dB 1Hz 1MHz 1 3 10 step H The BW icon is displayed at the bottom of the screen when the VBW is in Man mode Description The VBW RBW function is used to view the ratio between the video bandwidth and the resolution bandwidth The VBW RBW ratio is altered by setting the RBW and or VBW settings see page 61 amp 62 respectively View VBW RBW 1 ratio 2 Press The ratio is displayed on the VBW RBW F3 soft key GW INSTEK BASIC OPERATION Display m VBW RBW Ratio Tip Signals that are masked by the noise floor level should have a ratio of less than 1 to smooth the noise out Signals with strong frequency components should use a r
36. Chee deeded oou Corrected output Original waveform Example The diagram above shows how amplitude correction is used to compensate for any losses or gains at specific frequencies Create a Correction Set Description The GSP 930 can create and edit up to 5 sets of correction points The correction points and associated values are all tabulated for ease of use Operation 1 Press More F7 gt Correction F3 gt Correction Set F1 and choose a correction set to edit create Correction set 1 5 52 GW INSTEK BASIC OPERATION 2 Press Edit F3 The GSP 930 will split into two screens The top screen will show the waveform and the bottom screen will provide an overview of the correction points Frequency of Spectrum display selected point Correction points 3 Press Point Num F1 and choose a point number to edit Point Num 1 30 4 Press Frequency F2 and choose the frequency of the selected point Press Gain Offset F3 and choose the amplitude of the select point The units will be the same as those used for the vertical scale The frequency of the point values displayed in the correction table on the bottom display 53 GW INSTEK GSP 930 User Manual Correction Table 5 Repeat steps 2 to 4 for any other correction points 6 To delete the selected point press Delete Point F6 7 Press Return F7 gt Save Correction F5 to save the correction set N Note that
37. EN 61326 2 2 Conducted and Radiated Emissions Electrostatic Discharge EN 55011 2009 A1 2010 EN 61000 4 2 2009 Current Harmonic Radiated Immunity EN 61000 3 2 2006 1 2009 2 2009 EN 61000 4 3 20067 A1 2008 A2 2010 Voltage Fluctuation Electrical Fast Transients EN 61000 3 3 2008 EN 61000 4 4 2004 A1 2010 Surge Immunity EN 61000 4 5 2006 Conducted Susceptibility EN 61000 4 6 2009 Power Frequency Magnetic Field EN 61000 4 8 2010 Voltage Dips Interrupts EN 61000 4 11 2004 Low Voltage Equipment Directive 2006 95 EC Safety Requirements EN 61010 1 2010 EN 61010 2 030 2010 GW INSTEK INDEX Accessories 11 dd 156 114 Date Time Wake up 1 28 Adjacent channel power 114 Declaration of conformity 250 Alarm output m Default settings AM Analysis Display demodulation sound Backlight eee 98 127 Brightness s 98 Amplitude Display mode Amplitude correction 51 Sung 100 amp 101 Attenuation 47 Topographic 102 Correction een 22 Reference level line 99 Input impedance 56 Spit spectrum view 103
38. F5 to save the currently selected limit line N Using this function will also change the position of Note marker 1 outside ofthe limit function Delete Limit Line Description Any one of the 5 limit lines can be deleted Activate 1 Press Edit Limt Lines F1 Limit Line F1 Correction and choose a limit line limit line 1 5 to delete 2 Press Delete Limit Line F6 The data from the chosen limit line will be deleted Pass Fail Testing Description Before pass fail testing can begin limit lines for the upper and lower limits must first be saved See the page 116 163 GW INSTEK GSP 930 User Manual Limit Operation 1 Press ue Pass Fail Test 2 To set a high limit press High Limit F1 and choose one of the limit lines as the upper high limit 3 To set the low limit press Low Limit F2 and select one of the limit lines as the lower limit 4 Press Pass Criterion F3 and select the pass criteria Criteria All In Max In Min In 5 Press Pass Fail Test and turn the testing on 6 The test result appears in the bottom of the display Pass Fail Display Icon The alarm icon is shown at the bottom of the display whenever testing is turned on N At least one limit line high or low must be turned Note on to enable testing If the high limit or low limit is turned off the maximum or minimum display level is set automatically as the high or low limit respecti
39. Sets the trigger to rising or falling edge 121 GW INSTEK GSP 930 User Manual Trigger Mode F3 Sets the triggering mode Nor Normal trigger Sgl Single trigger Cont Continuously trigger Trigger Level F4 Sets the trigger level as a percentage of the depth Trigger Delay F5 Sets the trigger delay time 0 to 1ks Run Nowf F6 Turns FreeRun mode off and uses the user defined trigger settings The and MIN measurements are held until Note higher or lower values are found To reset the MAX and MIN measurements press Mees gt Demod F2 gt AM Analysis F TI Min Max Reset F 3 122 INSTEK ADVANCED OPERATION FM Analysis Description When frequency modulation is turned on the input signal is centered on the carrier frequency and the span is automatically set to zero span Measurement Freq Deviation Current Min Max items Mod Rate Current Min Max Carrier Pwr Current Min Max Carrier Freq Offset Current Min Max SINAD Current Min Max Operation 1 Set the center frequency to the carrier frequency configuration page 39 2 Press C gt Demod F2 gt EM Analysis F2 gt FM Analysis F1 and turn FM analysis on Any other measurement mode will automatically be disabled 3 The display splits into two screens The top shows the FM waveform in the time domain The bottom screen shows the FM measurement 123 124 GW INSTEK GSP 930 User Manual
40. Type ds MEI Sinole Swee Perren sutu n E EREEREER EE A Continuous Sweep s sis isi Gated Sweep 68 Using the Gated Sweep inicssinsssnsssssssnsnonanonnssnnsasnnnnnis 70 WAGE 72 Selecting Mcr 72 Trace Math 74 Detection cee Se ont ae nian beu i ERE eles 75 MEE SOT 79 Selecting Uniseer C 79 Free Run Mode iter 79 Activate Video Trigger ueste eerte tee A Pe EH Red 79 Activate External 81 Selecting the Trigger Mode Set the Trigger Delay Time A E reae re E Activating a unies niente tede t di ee HER eei as 0d Activate a Normal Market Move Marker Manually Move Marker to Preset Locations 2 T Activate Delta Market Move Delta Marker s Manually Marker Functions eene Marker Noise Frequency Counter Move Mark r tol race Show Markers Fable ze te PGA LAE INSTEK GSP 930 User Manual Move Marker to Peak goose nei Move Marker and Peak to Center Search for Peaks Peak Configuration m ie Peak Fable
41. and choose a limit line Limit line 1 5 2 Press Point by Point F2 The GSP 930 is split into two screens The top screen shows the trace and limit lines and the bottom screen shows the limit line table 159 GW INSTEK GSP 930 User Manual Spectrum display Limit Line Table 3 Press Point Num F1 and choose a point number to edit must start at 1 4 Press Frequency F2 and set the frequency of the first point 5 Press Limit F3 and set the amplitude level of the point All the points will be displayed in a limit line table at the bottom of the display 6 Repeat steps 3 5 for the remaining points max 10 7 To delete the selected point press Delete Point F6 8 Press Return F7 gt Save Save Limit Line F5 to save the currently selected limit line N Note that the limit lines are automatically sorted by Note frequency low high 160 INSTEK ADVANCED OPERATION Creating a Limit from Trace Data Description Trace data can be used to create limit lines A 10 point limit line is created from the trace data at each grid division as well as the start and stop frequencies Operation 1 Press gt Edit Limit Lines E1 gt Limit Line F1 and choose a limit line limit line 1 5 Limit line 1 5 2 Press Trace Data to Limit Line F3 The GSP 930 is split into two screens The top screen shows the trace and limit lines and the bottom screen shows the limit line ta
42. excepted The ratio of occupied bandwidth to the amount of power consumed Range 0 to 100 0 1 resolution 113 INSTEK GSP 930 User Manual ACPR Description Adjacent channel power refers to the amount of power leaked to the adjacent channel from the main channel This measurement is a ratio of the main channel power to power in the adjacent channel Example Offst1k Offset 2 3 Offset 3 X 3 Ch ig ea pecs To next channel Operation 1 Press gt Channel Analysis F1 ACPR F2 Setting up the and turn ACPR on main channel Any other measurement mode will automatically be disabled 2 The display splits into two screens The top screen shows the main channel adjacent channels and their corresponding limits The bottom screen shows the ACPR measurement results in real time 114 GW INSTEK ADVANCED OPERATION Channel power results 3 Press meas J gt Channel Analysis F1 gt ACPR Setup F1 gt and set the following Main CHBW F 1 Set the bandwidth of the main channel Main CH H Limit F2 Set the low limit for the main channel Main CH Limit F3 Set the high limit for the main channel CH SPC F4 Specify the channel spacing Operation 1 Press ADJCH Setup F5 to setup the adjacent Setting up the channels adjacent channel s ADJCH FT Choose an adjacent channel number 1 2 3 F2 Toggle the selected channel on
43. files 1 The up down arrow keys or the Press gt File Explorer Select memory location Local F 1 Internal memory USB FZ Front panel USB memory SD CardfF3 Micro SD card scroll wheel can be used to move up down the file list 181 GW INSTEK GSP 930 User Manual The left right arrow keys can be 6 9 A used to move to the next previous O page of files in the file list View Files Type The file explorer can be configured to only view files of a certain type For details on file types please see page 179 Press Type F2 and select a file type to view All All file types can be viewed State View state files only Trace View trace files only Screen View screen shots only Limit Line View limit lines only Correction View correction data only Sequence View sequence files only Power Meter View power meter files only After selecting a file type only those types of files will be listed by the file explorer Sort Files Files can be sorted in ascending order by either name or by date By default files are sorted by name Press Sort By F3 and choose the sorting type Name Sort by alphabetical order Date Sort by file creation date N Note 182 The USB and micro SD card options will only be available when a flash drive SD card is inserted into the front panel ports 1 5 FILE Copy Files Description Files from local mem
44. frequency is output Gated sweep icon 01 44 39 20 Mkt 10 048 N Gate Delay and Gate Length must first be set Note before Gated Sweep is turned on 7 GW INSTEK GSP 930 User Manual Trace The GSP 930 is able to set the parameters of up to 4 different trances on the display at once Each trace is represented by a different color and is updated with each sweep Selecting a Trace Description Each trace 1 2 3 4 is represented by a different color When activated an icon for each trace color and function is shown to the left of the display When a trace is selected parameters can be set edited from the trace menu Trace Color 1 Yellow 2 Pink 3 Blue 4 Red Trace Type The type of trace used determines how the trace data is stored or manipulated before being displayed The analyzer updates each trace according to the type of trace used Clear and The GSP 930 continuously Write updates the display with each sweep Hold Max The maximum or minimum Hold Min points are maintained for the selected trace The trace points are updated each sweep if new maximum or minimum points are found 72 GW INSTEK BASIC OPERATION View View will hold the selected trace and stop updating the trace data for the selected trace Pressing View F4 will display the trace data that was cleared using the Blank F5 key Blank Clears the selected trace from the display and stores trace data The trace d
45. graph of the measurements Power meter bar Power meter measurement Data log of power measurements 3 Press Power Unit F1 and choose the unit 173 INSTEK GSP 930 User Manual Unit dBm W 4 Press Frequency F2 choose measurement frequency Frequency 1MHz 6200MHz Resolution 1MHz 5 Press Sensor Mode F3 to choose measurement speed and thus accuracy of the power meter Low Noise 100ms sample typical Fast 30ms sample typical 6 To create pass fail tests press Pass Fail Test F4 and set the following parameters High Limit F Tf 100dBm 20dBm Low Limit F2 100dBm 20dBm Pass Fail Test F 3 On Off Pass Icon Fail Icon FAIL 7 Press Trigger F5 to toggle between a free run internal trigger and an external trigger Trigger Free Ext Ext trigger input 3 3V CMOS MEN GATE IN 8 Press MAX MIN HOLD F6 to toggle the MAX MIN hold measurements on off in the power meter bar The MIN MAX measurements will be displayed in the power bar meter in the center of the screen 174 INSTEK ADVANCED OPERATION MIN HOLD MIN HOLD Maus els a N os The return to the Spectrum Mode press Spectrum F 1 Data Logging Power Meter Measurements Description When in Power Meter mode the spectrum analyzer is able to log the power meter measurements over a user defined time period at user defined intervals Operation 1 Press to enter the save me
46. ns Example Start Offset o Stop Offset amp Operation 1 Press Cs gt Phase Jitter F4 gt Phase Jitter F1 Setting up the and turn Phase Jitter on main channel Any other measurement mode will automatically be disabled 2 The display splits into two screens The top shows the trace with the start and stop offsets The bottom screen shows the phase jitter measurements 130 GW INSTEK ADVANCED OPERATION Start Stop offset offset Phase jitter measurements 3 Press Start Offset F2 to set the start offset Offset 0Hz span freq 4 Press Stop Offset F3 to set the stop offset Offset 0Hz 1 span freq N The phase jitter measurements are strongly tied to Note the RBW and VBW 131 GW INSTEK GSP 930 User Manual Spectrum Emission Mask Overview Description SEM measurements are used to measure the out of channel emissions relative to the in channel power SEM measurements are usually calculated for specified power bands at a number of different offsets to the carrier frequency SEM measurements are often carried out for a number of different wireless standards For 3GPP the GSP 930 supports BS base station and UE user equipment testing standards for both FDD frequency division duplexing and TDD time division duplexing modes The GSP 930 also supports SEM testing for 802 11b 802 115 802 11n and 802 16 as well as user defined emission mask testing
47. selected marker in the same fashion as a normal marker see page 86 Move Both 1 reference and delta marker Press either Move Pair Span F4 or Move Pair Center F5 to move both markers at the same time Move Pair Span Move Pair Center Sets the frequency span between both markers The span can be positive or negative 1 1 span gt Moves both markers at the same time keeping the span between both markers even throughout 2 Move both markers in the same fashion as a normal marker see page 86 INSTEK BASIC OPERATION Marker Functions Marker Noise Description The noise marker function calculates the average noise level over a bandwidth of 1Hz referenced from the marker position Operation 1 Press Wari gt Select Marker F1 and select a marker number 2 Press F2 to turn the selected marker on 3 Press Normal F3 and then position the marker to the desired location 4 Press Function F5 gt Marker Noise and turn Marker Noise on 5 The display will show the noise level measurement at the top of the screen in dBm Hz Marker ID Frequency dBm Hz Marker 89 INSTEK GSP 930 User Manual Frequency Counter Description The frequency counter function is used to make accurate frequency measurements Operation 1 Press Mater gt Select Marker F1 and select a marker number 2 Press F2 to turn the selected marker on
48. trigger is used when an external trigger signal is input into the rear panel TRIG IN port The external trigger signal can be configured as positive or negative edge Trigger 3 3V CMOS Operation 1 Press Crew Trigger Condition F2 Ext Edge F2 and select the trigger edge Pos Positive edge Neg Negative edge 2 Connect the external trigger signal to the rear panel TRIG IN port TRIG IN GATE 3 Press Action Now F5 to activate the external trigger 4 The system will now wait the trigger conditions to be matched before starting a sweep Display Icon The EXT Trigger icon is displayed when the external trigger is activated AN The trigger will revert back to the Free Run mode if Note any parameter settings are changed such as the span or amplitude settings 81 GW INSTEK GSP 930 User Manual Selecting the Trigger Mode Description In free run mode all signals are captured and the trigger conditions are not used Modes Normal The spectrum analyzer captures every signal that meets the trigger conditions Single The spectrum analyzer captures the first signal that meets the trigger conditions Continuous The spectrum analyzer captures the first signal that meets the trigger conditions then switches to free run mode thereafter Operation 1 Press ts gt Trigger Mode F3 to toggle the trigger mode Nor Normal Sgl Single Cont Continuous 2 Press Action Now
49. with either the letter E the earth symbol or coloured Green Green amp Yellow The wire which is coloured Blue must be connected to the terminal which is marked with the letter N or coloured Blue or Black The wire which is coloured Brown must be connected to the terminal marked with the letter L or P or coloured Brown or Red If in doubt consult the instructions provided with the equipment or contact the supplier This cable appliance should be protected by a suitably rated and approved HBC mains fuse refer to the rating information on the equipment and or user instructions for details As a guide a cable of 0 75012 should be protected by a or 5A fuse Larger conductors would normally require 13A types depending on the connection method used Any exposed wiring from a cable plug or connection that is engaged in a live socket is extremely hazardous If a cable or plug is deemed hazardous turn off the mains power and remove the cable any fuses and fuse assemblies All hazardous wiring must be immediately destroyed and replaced in accordance to the above standard INSTEK GSP 930 User Manual G ETTING STARTED This chapter provides a brief overview of the GSP 930 the package contents instructions for first time use and an introduction to the front panel rear panel and GUI GSP 930 9 Maitu cavea eee ne 9
50. 1000 s Span 0 Hz Min Resolution 10 us Sweep Mode Continuous Single Trigger Source Free run Video External Trigger Slope Positive or negative edge RF Preamplifier Frequency Range 1 MHz to 3 GHz Gain 18 dB Nominal installed as standard Front Panel Input Output RF Input Connector Type N type female Impedance 50 ohm nominal VSWR 1 6 1 300 kHz to 3 GHz Input attenuator 7 10 dB 244 GW INSTEK APPENDIX Power for Option Connector Type SMB male Voltage Current DC 7V 500 mA max With short circuit protection USB Host Connector Type A plug Protocol Version 2 0 Supports Full High Low speed MicroSD Socket Protocol SD 1 1 Supported Cards microSD microSDHC Up to 32GB capacity Rear Panel Input Output Reference Output Connector Type female Output Frequency 10 MHz Output 3 3V CMOS Amplitude Output 50 ohm Impedance Reference Input Connector Type female Input Reference 10 MHz Frequency Input Amplitude 5 dBm to 10 dBm Frequency Lock Within 5 ppm of the Range input reference frequency Alarm Output Connector Type female Open collector Trigger Input Gated Sweep Input Connector Type female Input Amplitude 3 3V CMOS Switch Auto selection by function LAN TCP IP Interface Connector Type RJ 45 Base 10Base T 100Base Tx Auto MDIX USB Device C
51. BW 20MHz 19MHz CH BW 10MHz 9 5MHz Note A B C D denote offsets 1 to 4 respectively Here the default value of f is 16 75MHz CHBW 20MHz or 31 5MHz CHBW 10 This can be user defined Unit MHz Rell2 RBW CH BW 10 9 lt lt 19 5 25 32dBc 100kHz 19 5 lt C lt 29 5 32 50dBc 100kHz 29 5 lt D lt f 50dBc 100kHz Unit MHz Rell l RBW CH BW 10MHz 4 75 lt lt 5 45 0 25dBc 100kHz 5 45 lt B lt 9 75 25 32dBc 100kHz 9 75 lt lt 14 75 32 50dBc 100kHz 14 75 lt D lt f 50dBc 100kHz reference IEEE Std 802 16 2009 N 0 Abs Absolute limit Note 21 Rel Relative limit to the total power or the power spectral density depending on the compliance of the main channel BI Additional Additional absolute limit Pass Fail Criteria Case 1 When both Abs and Rel are used the 143 GW INSTEK GSP 930 User Manual highest value Abs or Rel is used as the Pass Fail judgment The trace points under the limit indicate a pass Case2 If the additional limit is used the higher value from casel is compared to the additional limit The lowest one is used as the pass fail judgment Spectrum Emission Mask Testing Description For spectrum emission mask testing the GSP 930 has pre defined testing parameters for 3GPP 802 11x and 802 16 The GSP 930 also allows you to perform user defined SEM testing Operation 1 Press Ms gt SEM F5 gt SEM F2 and turn SEM on
52. Config F2 gt USB Mode and toggle the USB mode to Device N It may take a few moments to switch USB modes Note Configure GPIB Interface To use GPIB the optional GPIB port must be installed Configure GPIB 1 Ensure the spectrum anlayzer is off before proceeding 2 Connect a GPIB cable from a GPIB controller to the GPIB port ol 9 on the spectrum analyzer 3 Turn the spectrum analyzer on 195 GW INSTEK GSP 930 User Manual 4 Press ss gt More 1 2 F7 RmtInterface Config F2 gt GPIB Addr and set the GPIB address GPIB address 0 30 GPIB constraints Maximum 15 devices altogether 20m cable length 2m between each device e Unique address assigned to each device At least 2 3 of the devices turned On No loop or parallel connection Configure the LAN and LXI Interface The GSP 930 is a class C LXI compliant instrument The LXI specification allows instrumentation to be configured for basic remote control or monitoring over a LAN For details on the LXI specification and compliance classes please see the LXI website 9 http www lxistandard org Background The LAN interface is used for remote control over a network The spectrum analyzer supports DHCP connections so the instrument can be automatically connected to an existing network Alternatively network settings can also be manually configured LAN IP Address Default Gate
53. EK GSP 930 User Manual Recall Correction Set From Memory Operation 1 Press Recall F1 and choose the recall location Location Register Local USB SD 2 Press Type F2 gt Correction F5 3 Press Destination F3 and choose a correction set Correction Set Correction 1 5 4 Press Recall Now F4 5 The current correction set will be recalled from the selected location For more information on Save and Recall please see page 170 Input Impedance Description Sets the input impedance to 750 or 500 Operation 1 Press gt More F7 gt Input Z F4 to toggle the input impedance Range 75Q 500 INSTEK BASIC OPERATION Input Impedance Calibration Description When an external impedance converter module optional accessory ADP 101 is used to convert the impedance of a device from 500 to 750 some external loss can be induced The Input Z Cal function can be used to compensate for these losses with an offset value N The Input Z Cal function is only available when the Note input impedance is set to 750 Operation 1 Press rene More F7 gt Input Z Cal F5 and set the impedance offset Range OdB to 10dB Resolution 1dB Display Icon The AMP icon is displayed at the bottom of the screen when Input 7 CalzOdB Using the Built in Pre Amplifier Description The built in pre amplifier boosts weak input signals such as EMI testing signals to levels that are
54. External To delete files on a USB flash drive or micro SD Memory card insert the appropriate device into the front panel port Delete File 1 Press File Explorer 2 Select a file from local or external memory 3 Press Delete F5 4 Press Delete Now F1 5 The file will be deleted after Delete Now is pressed 184 1 5 FILE Delete Warning 1 To enable a prompt to confirm the deletion of a file press Delete Warning F2 and select an option Don t Ask No confirmation dialog box will appear when a file is deleted Ask Will prompt for the user to confirm whether to delete the file or not Note Rename Files The USB and micro SD card options will only be available when a flash drive SD card is inserted into the front panel ports Description Any files in local memory or external memory such as USB or micro SD card can be renamed Connect External Memory To rename files on a USB flash drive or micro SD card insert the appropriate device into the front panel ports Rename File 1 Rename the selected file using the Press ie gt File Explorer Select a file from local or external memory Press Rename F6 F1 F7 keys as shown below or use the numeric keypad to enter numbers 185 GW INSTEK GSP 930 User Manual Limitations No spaces Only 1 9 A Z a z characters allowed P
55. F5 to manually start triggering INSTEK BASIC OPERATION Set the Trigger Delay Time Description Sets the delay time between when the analyzer triggers and when the analyzer begins to capture the signal Delay time range 1ns to 1ks Operation 1 Press Crow Trigger Delay F4 and set the trigger delay time Delay range 0 1000s GW INSTEK GSP 930 User Manual Marker A Marker shows the frequency and amplitude of a waveform point The GSP 930 can activate up to 6 markers or marker pairs simultaneously as well as up to 10 peak markers in the marker table The marker table helps editing and viewing multiple markers a single display A delta marker shows the frequency and amplitude differences between the reference marker The GSP 930 can automatically move a marker to various locations including the peak signal center frequency and start stop frequency Other marker operations regarding signal peaks are available in the Peak Search function e Activating a Marker from page 85 Move Marker Manually from page 86 Move Marker to Preset Locations from page 86 e Activate Delta Marker from page 87 Move Delta Marker s Manually from page 88 e Marker Functions from page 89 e Move Marker to Trace from page 91 Show Markers in Table from page 92 e Peak Search from page 93 Peak Configuration from page 95 e Peak Table from page 96 84
56. GW INSTEK BASIC OPERATION Activating a Marker There are two basic marker types normal markers and delta markers Normal markers are used to measure the frequency time or amplitude of a point on the trace Delta markers are used to measure the difference between a reference point and a selected point on the trace Activate a Normal Marker Operation 1 Press rer Select Marker F1 and select a marker number Marker 1 6 2 Press F2 to turn the selected marker 3 Press Normal F3 to set the selected marker to the Normal type 4 The display will show the marker on the trace centered by default with the marker measurement at the top of the display Maker ID Frequency Amplitude 85 INSTEK GSP 930 User Manual Move Marker Manually Operation 1 Press Mater gt Select Marker F1 and select a marker number 2 Use the left right arrow keys to move the marker one grid division 0 0 3 Use the scroll wheel to move the marker in fine increments 4 Alternatively the numeric keypad can be used to directly enter the frequency of the marker position Move Marker to Preset Locations Description The key is used to move the selected marker to a number of preset positions Functions Mkr gt Center Move to center frequency Mkr gt Start Move to start frequency Mkr gt Stop Move to stop frequency Mkr gt CF Step Move to step frequency Mkr gt Ref Lvl Move to re
57. MHz Absl l RBW 6 lt P lt 20 12 5 lt lt Afmax P 56dB 1MHz Unit MHz Abs RBW P 6 12 5 lt lt 50dBm 1MHz 3GPP FDD BS For operation in bands Il IV V X XII XIII XIV and Additional XXV additional requirements listed below apply in Requirements addition to the minimum requirements listed above Unit MHz AdditionalPl RBW Bands 3 5 lt lt Afmax 13dBm 1MHz Unit MHz AdditionalPl RBW Bands V 2 5 lt A lt 3 5 15dBm 30kHz 3 5 lt B lt 13dBm 100kHz Unit MHz AdditionalPl RBW Bands XII XIII XIV 2 5 lt A lt 3 5 13dBm 30kHz 3 5 lt lt 13dBm 100kHz 3GPP FDD UE The channel span is set to 5MHz Note A B C D E denote offsets 1 to 5 respectively Rel Absl l RBW Unit MHz 2 5 lt A lt 3 5 35 50dBc 71 1dBm 30kHz 3 5 lt lt 7 5 35 39dBc 55 8dBm 1MHz 7 5 lt lt 8 5 39 494 55 8dBm 1MHz 8 5 lt 0 lt 12 5 49 49dBc 55 8dBm 1MHz 137 GW INSTEK GSP 930 User Manual 3GPP FDD UE Additional requirements for 3GPP FDD UE Additional Unit MHz AdditionalPl RBW Requirements Bands 2 5 lt lt 3 5 15dBm 30kHz IV X 3 5 lt B lt 12 5 15dBm 1MHz Unit MHz Additional RBW Band V 2 5 lt A lt 3 5 15dBm 30kHz 3 5 lt B lt 12 5 13dBm 100kHz Unit MHz Additionall RBW Bands 3 5 lt B lt 12 5 13dBm 100kHz 3GPP TDD BS For the TDD configuration different limits can by 3 84Mcps chosen base
58. Min Offset Limit Value gt Return Q o 12 3545 12345 Off Abs Star Band XIV Start Freq ADS Stop O 5 Stop Freq 27MHz Y F RBW More 1 2 Return E 234 GW INSTEK APPENDIX From Measure gt SEM gt 3GPP gt Offset Limit FDD Setup Transmission Add Limits Min Offset Limit UE Mode Offset 123 45 Start Freq 27 MHz Stop Freq 27MHz More 1 2 Offset 12345 Abs Start 22 dBm Abs Stop 22dBm Rel Start 35dBc Rel Stop 50dBc Band XIII Band XIV 235 GW INSTEK GSP 930 User Manual From Measure gt SEM gt 3GPP gt es pui 55e pu a offset 7 68M Min Offset Limit Stop Freq Value gt 2 7MHz RBW 3MHz From Measure gt SEM gt 3GPP gt Chip Rate 1 28M Offset Limit gt TDD Setup Transmission Offset Offset Chip Rate 26 lt P lt 34 3 84M 1 28M On Off 7 68M 2 7MHz Min Offset Limit Stop Freq Rel Start Value gt 2 7MHz 22dBm RBW Rel Stop 3MHz 22dBm 236 GW INSTEK APPENDIX From From Measure gt SEM gt Measure gt SEM gt 11g Offset 802 11n Offset it Limit Chan Integ BW Modulation ERP OFDM 3 84MHz ene DSSS OPEM Chan Span Min Offset Limit ERF DSSS 3 96MHz Value gt RBW 10kHz From Measure SEM 802 11b g n 802 802 16 Ref Channel Lim CH BW 20M 40M Min Offset Limit Value PSD Ref 74 3dBm Hz F
59. NCED OPERATION nnne 111 Measurement oer Hen 112 Limit Line Testing 159 SOGUENCE 165 Tracking Generator 170 Power Meter iet ehh 173 FL LE 178 File Overview 178 GW INSTEK GSP 930 User Manual REMOTE 194 Interface Configuration 195 D Do 205 APPENDIX RR 206 Replace the Clock 206 Glossary of Acronyms 207 GSP 930 Default Settings 209 Menu 211 GSP 930 Specifications 240 GSP 930 249 Declaration of Conformity 250 INDEX d 251 INSTEK SAFETY INSTRUCTIONS SAFETY INSTRUCTIONS This chapter contains important safety instructions that you must follow during operation and storage Read the following before any operation to insure your safety and to keep the instrument in the best possible condition Safety Symbols These safety symbols may appear in this manual or on the instrument N Warning Identifies conditions or practices that WARNING could result in injury or loss of life N Caution Identifies conditions or practices that CAUTION could result in damage to the instrument or to other propertie
60. S and UE testing Chip Rate F2 Selects the bandwidth of the RRC filter that is used to measure the in channel power for TDD duplexing 3 84MHz 1 28MHz 7 68MHz Max Out Pwr F2 F3 Sets the maximum output power for BS tests gt 43 39 lt lt 43 31 lt lt 39 P lt 31 148 INSTEK ADVANCED OPERATION limits F4 Selects the operating bands for FDD duplexing None Bandll BandIV BandV BandX BandX11 BandXIII BandXIV MinOffset Allows you to view the Limit Value F5 parameters of each of the offsets including start stop frequency RBW Abs Start Stop and Rel Start Stop Pre Set Test For details on 802 11x and 802 16 SEM test Parameters parameters please see the SEM overview on 802 XX page 132 1 Press Setup F1 gt and choose a 802 XX test 802 11b F2 802 11g F3 802 11n F4 802 16 F5 2 Press Ref Channel F2 to view the predefined settings for channel integrated bandwidth channel span RBW and PSD ref 3 Press Offset Limit F3 to view the parameter values of each of the offsets including Start and Stop Frequency RBW Rel Start and Stop 149 INSTEK GSP 930 User Manual Third Order Intermodulation Distortion TOI Description Third order intermodulation distortion measurement is used to calculate the TOI products caused by two signals that are close together in frequency in a non linear system Both the upper and lower third order intercept point
61. STEK GSP 930 User Manual Tracking Generator The tracking generator is a factory installed option that generates a sweep signal with its sweep time and frequency range matching the GSP 930 The amplitude is maintained at a constant value over the entire frequency range This is useful for testing the frequency response of the DUT e Activate the Tracking Generator from page 170 Normalize the Tracking Generator from page 171 Activate Tracking Generator Operation 1 Press Sem gt More 1 2 F7 gt Option F1 gt Tracking Generator F1 gt TG F1 and toggle the tracking generator on e The TG OUTPUT will be activated 2 Press TG Level F2 to set the output level of the tracking generator Range 50 to 0OdBm 3 Press TG Lvl Offset F3 to set the offset level of the tracking generator to compensate for system gain loss Range 10dB to10dB 4 Press TG Lol Step F4 to set the step resolution of the TG level Range 0 5 to 50dB 0 5dB step 5 Press Power Sweep F5 to vary the output power of the TG to the rate of the sweep At the beginning of the sweep the output power is at 170 GW INSTEK ADVANCED OPERATION the set TG Level and increases decreases linearly to the set Power Sweep level at the end of the sweep Range 5dB to 5dB Normalize the Tracking Generator Background The normalize function subtracts the trace after each sweep with a reference trace The resultant trace is added t
62. Spectrum Analyzer GSP 930 USER MANUAL REVISION 1 1 APRIL 2012 150 9001 CERTIFIED MANUFACTURER GW INSTEK This manual contains proprietary information which is protected by copyright All rights are reserved No part of this manual may be photocopied reproduced or translated to another language without prior written consent of Good Will company The information in this manual was correct at the time of printing However Good Will continues to improve products and reserves the rights to change specification equipment and maintenance procedures at any time without notice Good Will Instrument Co Ltd No 7 1 Jhongsing Rd Tucheng Dist New Taipei City 236 Taiwan GW INSTEK SAFETY INSTRUCTIONS Table of Contents SAFETY 3 GETTING ea Pepe 8 GSP 930 Introduction 9 ACCESSOTIES eR ER Rep 11 13 First Use 1 24 BASIC OPERATION 36 Frequency 39 Span Seti 43 Amplitude Settings nes 46 AUTOSE Teesra I b EE 59 Bandwidth Average Settings 61 5 NE S 66 Ire m 72 iiim 79 Mud MNT 84 DiS Pla 98 System 105 Hii eL 109 ADVA
63. Topographic 10 opagraphic View 80 000MHz 10kHz 180 000kHz The topographic view shows the frequency of events The topographic view is useful for observing smaller signals that have been overpowered by stronger signals or to easily observe intermittent events Color is used to represent the frequency of an event Red represents a high frequency of occurrence while blue represents events that occur rarely XI Display Spectrogram Spectrum 79 900MHz 80 000MHz 80 100MHz j 10kHz 1OkHz 200 000kHz 201ms Displays both spectrographic and spectrum views of the signal 102 GW INSTEK BASIC OPERATION GwInSTEK Topographic 4 Spectrum D 10 0048 80 090MHz Displays both topographic and spectrum views of the signal Split Spectrum View Description The split spectrum view is able to view two different sweep ranges on the display at the same time using a split screen view The top and bottom view can have independent sweep ranges amplitudes spans and other settings However only one split screen top or bottom can be swept each time Operation 1 Press es Window Setup F1 gt Split Spectrum F2 Active Win F1 to activate the upper split screen 2 Pressing Active Win F1 will toggle the sweep between the upper and lower screen 3 Press Alternate Sweep F2 for the analyzer to alternate the sweep between the upper and lower screen at the end of each sweep
64. and unit LogDiff ref range 120dBm 30dBm LogDiff ref units dBm W 6 If LogOffset was selected set the offset level and unit LogOffset range 50dB 50dB 7 To turn trace math off press the OFF F6 Display Icon The Math icon is displayed when trace math is turned on Trace Detection Mode Description Each time the spectrum analyzer samples data for each point on the trace a number of samples are usually taken for each point known as a sample bucket The actual value of each point is determined by the detector from the samples in each bucket Each selected trace 1 2 3 4 can use different detection mode 75 1 5 GSP 930 User Manual Detection modes Auto Normal Peak Peak Sample Average 76 Automatically chooses an appropriate mode based on the values of all the samples While the signal level is constantly increasing or decreasing the positive peaks are detected Otherwise detecting mode switches between positive peak and negative peaks Useful for picking up burst phenomenon while avoiding excessive noise Detects positive peak signals by selecting the maximum peak value for each point from each bucket This mode is useful for sinusoidal signals Detects negative peak signals by selecting the lowest peak value for each point from each bucket This mode is not recommended for amplitude measurement Randomly selects a value from the bucket sa
65. ata can be restored by pressing View F4 Display Icon Trace 3 Trace 4 Trace 2 Operation 1 Press C Trace F1 and choose the trace number Trace 1 2 3 4 2 Select the trace type Clear amp Write FZ Max HoldfF 3 Min HoldfF 4 View F5 Blank F6 N Traces 2 3 and 4 are set to Blank by default Note 73 INSTEK GSP 930 User Manual Trace Math Description Performs trace math from two traces TR1 TR2 and stores the result in the currently selected trace It also performs trace shift Math functions Power Diff Subtracts the TR1 amplitude data from the TR2 amplitude data The TR1 data TR2 data are converted to watts The result is converted back to dBm Log Diff Subtracts the TR1 amplitude data from the TR2 amplitude data and then adds a logarithmic reference Both the TR1 and TR2 data is in dBm The resultant trace of the subtraction is in dB When the result is added to a logarithmic reference the resulting data is in dBm LOG Offset Adds a reference to the TR1 trance Operation 1 Press C 7e gt More F1 Trace Math F1 2 Press TR1 F1 and select the first trace source TRI Trace 2 Trace 3 Trace 4 3 Press TR2 F2 and select the second trace source TR2 Trace 2 Trace 3 Trace 4 INSTEK BASIC OPERATION 4 Select the trace math function PowerDitHF3 LogDiffF4 LogOffset F5 5 If LogDiff was selected set the reference level
66. atio equal to or greater than 1 Average Trace Description The Average function averages the trace for a user defined number of times before it is displayed This feature smoothes the noise level but has the drawback of slowing down the display update rate Operation 1 Press awa gt Average F4 and toggle Average on or off 2 Set the number of averages Range 4 200 Default 20 Display Icon The AVG icon is displayed at the bottom of the screen when the Average function is on 63 GW INSTEK GSP 930 User Manual Example BW Avg E Average On 20x GW INSTEK BASIC OPERATION Average Type Description The Average Type function determines how the GSP 930 determines the average value LOG Average Averages the trace points on a logarithmic scale Volt Average Averages the amplitudes of the trace points on a linear voltage scale Power Average Averages the trace points on a logarithmic scale in watts Operation 1 Press awa gt Average Type F5 and choose the average type Range LOG Power Volt Average Power Average Default LOG Power GW INSTEK GSP 930 User Manual EMI Filter Description The built in EMI filter is used for specific measurement situations such as EMI average detection where a higher level of sensitivity is required than the standard configuration When turned on the RBW is set to 6dB indicated by an asterisk When any measur
67. ble Spectrum display 1 10 28 Limit Line Table 3 Press Limit Offset F2 and set an offset level 4 Press Create Limit Line Now F1 limit line will automatically be created based on the trace and offset level 161 GW INSTEK GSP 930 User Manual A limit line can be created any number of times 5 Press Return F7 gt Save Save Limit Line F5 to save the currently selected limit line Creating a Limit from marker data Description Marker data can be used to create limit lines Please see the marker chapter on page 83 for details on markers A maximum of 10 points can be created Operation 1 Press tm gt Edit Limit Lines F1 Limit Line F1 and choose a limit line Limit line 1 5 2 Press Mkr Data to Limit Line F4 The GSP 930 is split into two screens The top screen shows the trace and limit lines and the bottom screen shows the limit line table Spectrum display Limit Line Table 3 Press Point Num F1 and choose a point number 162 GW INSTEK ADVANCED OPERATION to edit must start at 1 4 Press Limit Offset F3 and set offset level for the point 5 Press Mkr Data to Point F2 This adds the currently active marker s position to the selected point 6 The marker position can be moved at this point using the scroll wheel Press the Enter key to set the position 7 Repeat steps 3 5 for any other points max 10 8 Press Return F7 gt Save Limit Line
68. bs Start level limit Rel Start Sets the relative level limit at the Start Freq for the selected offset number Rel Stop Sets the relative level limit at the Stop Freq for the selected offset number Rel Stop can be set to Coulple or Man Man allows Rel Stop to be user defined while Couple will lock Rel Stop to the Rel Start level limit Fail Mask Sets the fail conditions for measurement with regards to the level limits Absolute Relative Absolute amp Relative Absolute or Relative Measurement Main Channel items Bandwidth Unit Hz Total Power Unit dBm PSD Power Spectral Density Unit dBm Hz 134 1 5 ADVANCED OPERATION Offset 1 5 Lower dBm Upper dBm 3GPP Operating Bands Operating UL Frequencies Band VII VII XI XII XII XIV XV XVI XVII XVIII XIX XX XXI XXV UE transmit Node B receive 1920 1980M Hz 1850 1910M Hz 1710 1785MHz 1710 1755MHz 824 849MHz 830 840MHz 2500 2570MHz 880 915MHz 1749 9 1784 9MHz 1710 1770MHz 1427 9 1452 9MHz 698 716MHz 777 787MHz 788 796MHz Reserved Reserved Reserved Reserved 830 845MHz 832 862MHz 1447 9 1462 9MHz 1850 1915MHz DL Frequencies UE receive Node B transmit 2110 2170MHz 1930 1990 MHz 1805 1880M Hz 2110 2155MHz 869 894MHz 875 885MHz 2620 2690MHz 925 960MHz 1844 9 1879 9MHz 2110 2170MHz 1475 9 1500 9MHz 728 746MHz 746 756MHz 758 768MHz Reserved Reserved Re
69. cale Auto Scale F4 Toggles auto scaling on off Operation 8 Press AF Trigger F5 to set the triggering trigger conditions configuration FreeRun F 1 Disables the trigger this is the default setting Edge Slope F2 Sets the trigger to rising or falling edge 125 GW INSTEK GSP 930 User Manual Trigger Mode F3 Sets the triggering mode Nor Normal trigger Sgl Single trigger Cont Continuously trigger Trigger Level F4 Sets the trigger level as a frequency Trigger Delay F5 Sets the trigger delay time 0 to 1ks Run Nowf F6 Turns FreeRun mode off and uses the user defined trigger settings The and MIN measurements are held until Note higher or lower values are found To reset the MAX and MIN measurements press Mees gt Demod F2 gt FM Analysis FT Min Max Reset F 3 126 INSTEK ADVANCED OPERATION AM FM Demodulation Description The GSP 930 has a convenient AM FM demodulation function to tune into AM or FM broadcast signals and listen to the demodulated baseband signals using the ear phone out socket Operation 1 Set the center frequency to the desired FM AM Setup carrier frequency See page 39 for details 2 Set the span to zero See page 44 for details 3 Set the Preamp to Auto See page 57 Connection Connect headphones or a speaker to the phone output port Operation 4 Press gt Demod F2 Sound F3 Ear Phone Out F1 and turn the
70. ccuracy 0 5 dB 0160 MHz 10 dBm Source attenuation 10 dB 20 to 30 Output Flatness Referenced to 160 MHz 10 dBm 100 kHz to 2 GHz 1 5 dB 2 GHz 3 GHz 2 dB Output Level 0 8 dB Referenced to 10 dBm Switching Uncertainty Harmonics lt 30 dBc Typical output level 10 dBm Reverse Power 30 dBm max Connector type N type female Impedance 50 ohm Nominal Output VSWR lt 1 6 1 300 kHz to 3 GHz source attenuation gt 12 dB USB Power Sensor Optional Type Average power sensor Model PWS 06 Interface to Meter USB cable to GSP930 Front Panel USB Host Connector Type N type male 50 ohm nominal Input VSWR 13 1 Typical 1 3 1 Max Input Frequency 1 to 6200 MHz Sensing Level 32 to 420 dBm Max Input Damage gt 27 dBm Power 247 INSTEK GSP 930 User Manual Power 30 dBm to 5 dBm Measurement 1 MHz to 3GHz 0 10 dB Uncertainty typical 0 30 dB max 25 C 3 GHz to 6 GHz 0 15 dB typical 0 30 dB max 5 dBm to 12 dBm 1 MHz to 3GHz 0 15 dB typical 0 30 dB max 3 GHz to 6 GHz 0 15 dB typical 0 30 dB max 12 dBm to 20 dBm 1 MHz to 3GHz 0 20 dB typical 0 40 dB max 3 GHz to 6 GHz 0 20 dB typical 0 40 dB max Power 30 dBm to 5 dBm Measurement 1 MHz to 3GHz 0 25 dB Uncertainty typical Oto 25 3 GHz to 6 GHz 0 25 dB typical 5 dBm to 12 dBm 1 MHz to 3GHz 0 20 dB typical 3 GHz to 6 GHz 0 20 dB
71. d Unit MHz Rell l RBW 11 lt lt 22 30dBc 100kHz 22 lt B lt f 50dBc 100kHz reference IEEE Std 802 11b 1999 141 GW INSTEK GSP 930 User Manual 802 11g The channel span ERP OFDM DSSS OFDM 18MHz ERP DSSS ERP PBCC ERP CCK 22MHz Note A B C D denote offsets 1 to 4 respectively Here the default value of f is 40MHz ERP OFDM DSSS OFDM or 25MHz ERP DSSS ERP PBCC ERP CCK This can be user defined Unit MHz Rell RBW ERP OFDM DSSS 9 lt lt 1 1 0 20d Bc 100kHz OFDM 11 lt B lt 20 20 28dBc 100kHz 20 lt C lt 30 28 40dBc 100kHz 30 lt D lt f 40dBc 100kHz Unit MHz Rell2l RBW ERP DSSS ERP PBCC 11 lt A lt 22 30dBc 100kHz ERP CCK 22xB f 50dBc 100kHz reference IEEE Std 802 11a 1999 802 11n The channel span CH BW 20MHz 18MHz CH BW 40 38MHz Note A B C D denote offsets 1 to 4 respectively Here the default value of f is 40M Hz CHBW 20MHz or 7OMHz CHBW 40 This can be user defined Unit MHz Rell l RBW CH BW 20MHz 9 lt lt 1 1 0 20dBc 100kHz 11 lt B lt 20 20 28dBc 100kHz 20 lt C lt 30 28 45dBc 100kHz 30 lt D lt f 45dBc 100kHz 142 INSTEK ADVANCED OPERATION Unit MHz RBW CH BW 40MHz 19 lt lt 21 0 20dBc 100kHz 21 lt lt 40 20 28dBc 100kHz 40 lt C lt 60 28 45dBc 100kHz 60 lt D lt f 45dBc 100kHz reference IEEE Std 802 1n 2009 802 16 The channel span CH
72. d on the total channel power The channel span 3 84Mcps 5MHz Note A B C D E denote offsets 1 to 5 respectively Unit MHz Abs RBW P243 2 5 lt lt 2 7 14dBm 30kHz 2 7 lt B lt 3 5 14 26dBm 30kHz 3 5 lt C lt 12 13dBm 1MHz Unit MHz Abs RBW 39 lt P lt 43 2 5 lt A lt 2 7 14dBm 30kHz 2 7 lt B lt 3 5 14 26dBm 30kHz 3 5 lt C lt 7 5 13dBm 1MHz 7 5 lt D lt 12 P 56dB 1MHz 138 GW INSTEK ADVANCED OPERATION Unit MHz Abs RBW 31 lt P lt 39 2 5 lt A lt 2 7 P 53dBm 30kHz 2 7 lt B lt 3 5 P 53 P 65dBm 30kHz 3 5 lt C lt 7 5 P 52dBm 1MHz 7 5 lt C lt 12 P 56dBm 1MHz Unit MHz RBW P lt 31 2 5 lt lt 2 7 22dBm 30kHz 2 7 lt B lt 3 5 22 34dBm 30kHz 3 5 lt C lt 7 5 21dBm 1MHz 7 5 lt D lt 12 25dBm 1MHz referenced from ETSI 3GPP TS 25 102 version 10 2 0 Release 10 3GPP TS 25 105 version 10 3 0 Release 10 3GPP TDD BS The channel span 1 28Mcps 1 28Mcps 1 6M Hz Unit MHz Absl l RBW P234 0 8 lt lt 1 20dBm 30kHz 1 lt lt 1 8 20 28dBm 30kHz 1 8 lt C lt 3 5 13dBm 1MHz Unit MHz RBW 26 lt P lt 34 0 8 lt lt 1 P 54dB 30kHz 1 lt B lt 1 8 P 54 P 62dB 30kHz 1 8 lt C lt 3 5 P 47dB 1MHz Unit MHz Abs RBW P 26 0 8 lt lt 1 28dBm 30kHz 1 lt lt 1 8 28 36dBm 30kHz 1 8 lt C lt 3 5 21dBm 1MHz 139 GW INSTEK GSP 930 User Manual 3GPP TDD BS The channel span
73. display splits into two screens The top shows the trace with the visual carrier marker and the CSO beat marker The bottom screen shows the CSO measurements 155 GW INSTEK GSP 930 User Manual Visual carrier CSO beat marker marker CSO measurements 4 Press CSO CH SP F2 to set the channel space Range 0 3GHz 5 Press Channel Move Down F4 or Channel Move Up F5 to move to next or previous channel Composite Triple Beat CTB Description Composite triple beat measurement calculates the difference in amplitude between the visual carrier and the composite triple beat amplitude Measurement Visual Carrier frequency amplitude items CTB amplitude difference from the visual carrier and the triple beat Triple Beat amplitude 156 GW INSTEK ADVANCED OPERATION Example 1 Visual carrier marker Channel De eee gt spacing To next main channel Operation 1 Press CNR CSO CTB F7 gt Setup F1 gt CTB F2 gt Return F7 to choose measurement and return to the previous menu 2 Press CTB F2 and turn CTB on Any other measurement mode will automatically be disabled 3 The display splits into two screens The top shows the trace with the visual carrier marker The bottom screen shows the CTB measurements This will place a marker 1 on the visual carrier and record the amplitude Visual carrier CTB beat marker marker CTB measurements 157
74. e Data Source gt Trace 1 E Format Trace Screen Line Line puso name Correction Sequence Save Now See File Rename Local State Trace 1 Normal Correction 1 Sequence 1 Trace 2 Save Toner Limit 2 Correction 2 Sequence 2 Trace 3 Limit 3 Correction Sequence Trace 4 Limit 4 Correction 4 Sequence 4 Limit 5 Correction 5 Sequence 5 8 M N 26 Recall Mode Power Meter Recall Recall From gt Local Register gt Register 1 Type gt State Local Register 2 Destination gt Local State USB Register 3 SD Card Register 4 Register 5 Register 6 Return More 1 2 2 2 2 Local State Power Meter a n Power Meter gt S 2 5 a a 2 lt o 3 o 227 GW INSTEK GSP 930 User Manual Mode Spectrum Recall Recall From Loca sta adi Trace pd Destination gt Trace 1 USB Register 3 Recall Now Line Line Register 4 Correction Register 5 o S e g a Sequence Register 6 a a Return More 1 2 Local State Trace 1 Limit 1 Correction 1 Sequence 1 Trace 2 Limit 2 Correction 2 Sequence 2 Trace 3 Limit 3 Correction 3 Sequence 3 Trace 4 Limit 4 Correction 4 Sequence 4 Limit 5 Correction 5 Sequence 5 N 28 Meas gt Demod
75. e All Sort by Name Quick Save Type Screen Data Source Normal Save Type Screen Data Source Normal Recall Type State Destination Local State Marker Marker Off Data Source Normal Marker gt N A Peak Search Peak Track Off Peak Excursion 10dB Peak Threshold 50dBm Peak Table Off Mode Mode Spectrum System 210 Language region dependent Preset Type Factory Preset Option Tracking generator Off Power On Preset Alarm Output Off Remote Interface Config GPIB Address 2 LAN DHCP RS232 BaudRate 115200 USB Mode Host GW INSTEK APPENDIX Menu Tree gt 3 a Amplitude Ref Level 30 dB Attenuation 10 gt uto Man Scale Div 5 2 1 3 Scale Type Log Lin Scale On Scale Pos Left Cent Right More 1 2 Select Correction m E Correction On Off Edit Save Correction Delete Correction Return Y Axis dBm RefLvlOffset 0 000dB Correction Input Z Input Z Cal 0 000dB E a Preamp Auto Bypass Return 2 2 Correction 1 Correction 2 Correction 3 Correction 4 Correction 5 dBm dBmV dBuV Watts Volts Point Num Frequency 1 2345 GHz oa Gain Offset 10 00 dB Delete Point Return 211 INSTEK GSP 930 User Manual Y Axis gt dBm dBm dBmV lt dBm 8 8 Watts A EN Volts dBuV 3 3 3 c e dBmV 3
76. e Pollution degree 3 Conductive pollution occurs or dry non conductive pollution occurs which becomes conductive due to condensation which is expected In such conditions equipment is normally protected against exposure to direct sunlight precipitation and full wind pressure but neither temperature nor humidity is controlled Storage Location Indoor environmen Temperature 20 C to 70 C Humidity lt 90 GW INSTEK GSP 930 User Manual Disposal Do not dispose this instrument as unsorted municipal waste Please use a separate collection facility or contact the supplier from which this instrument was purchased Please make sure discarded electrical waste is properly recycled to reduce environmental impact GW INSTEK SAFETY INSTRUCTIONS Power cord for the United Kingdom When using the instrument in the United Kingdom make sure the power cord meets the following safety instructions NOTE This lead appliance must only be wired by competent persons WARNING THIS APPLIANCE MUST BE EARTHED IMPORTANT The wires in this lead are coloured in accordance with the following code Green Yellow Earth OF Blue Neutral Ong Brown Live Phase As the colours of the wires in main leads may not correspond with the coloured marking identified in your plug appliance proceed as follows The wire which is coloured Green amp Yellow must be connected to the Earth terminal marked
77. e factory default settings are restored with the Preset key For details on how to configure the preset settings please see page 109 Steps 1 Press Preset 2 The spectrum analyzer will load the preset settings 31 GW INSTEK GSP 930 User Manual Conventions The following conventions are used throughout the user manual Read the conventions below for a basic grasp of how to operate the GSP 930 menu system and front panel keys Soft Menu keys The 1 to F7 function keys on the right side of the display correspond directly to the soft menu keys on their left F1 F7 function keys Soft menu keys Input Parameter Values Selecting this type of menu key will allow you to enter a new value with the numeric keypad or increment decrement the value using the scroll wheel Toggle State Pressing this menu key will toggle the state 32 GW INSTEK GETTING STARTED Toggle State amp Input Parameter Pressing this menu key will allow you to toggle the state of the function between Auto and Man ual state When in the Man state the parameter value can be manually edited Use the numeric keypad to enter the new value or use the scroll wheel to increment decrement the current value Sub Menu Date Time gt Pressing this menu key will enter a submenu Sub Menu to select parameter Pressing this menu key will enter a submenu to select a parameter Active Function Pressing th
78. e with the marker ID normal reference or delta trace x axis position frequency time and the amplitude of the marker Marker Table 92 INSTEK BASIC OPERATION Peak Search Move Marker to Peak Description The key is used to find trace peaks Operation 1 Press gt Select Marker F1 and select a marker number 2 Press 225 Peak Search F1 The marker will move to the highest signal peak 3 To continually search for the peak each sweep press Gas More 1 2 F7 Peak Track F1 and set Peak Track to on Move Marker and Peak to Center Description The Center function moves the marker to the highest signal peak and moves the center frequency to that peak Operation 1 Press C Select Marker F1 and select a marker number 2 Press 5 Mkr Center F2 N The span will not be changed Note 93 GW INSTEK GSP 930 User Manual Search for Peaks Description The key can be used to search for a number of different peaks Peak Search Next Peak Searches for next highest peak visible on the display Next Peak Right Searches for the next peak to the right of the marker Next Peak Left Searches for the next peak to the left of the marker Min Search Searches for the lowest peak Operation 1 Press Water gt Select Marker F1 and select a marker number 2 Press sean and select the type of peak you wish to find Example
79. ear phone out on 5 Press Volume F2 to set the volume output Volume 0 15 default 7 6 Press Digital Gain Control F3 to change the gain Gain 0 18dB 6dB step 7 Press Demod Type F4 to choose AM or FM demodulation 127 GW INSTEK GSP 930 User Manual N dB Bandwidth Description N dB bandwidth measurements are used to measure the frequency bandwidth that covers a specified amplitude N dB from the top of the peak Example Operation 1 Press C gt NdB Bandwidth F3 gt NdB 1 and turn N dB BW on Any other measurement mode will automatically be disabled 2 The display splits into two screens The top shows the trace with markers for NdB and NdB BW The bottom screen shows the N dB measurement results in real time 128 GW INSTEK ADVANCED OPERATION N dB BW Measurement 3 Press NdB F2 to set the NdB amplitude Amplitude 0 1dB 80 0 dB N The NdB bandwidth measurements are strongly Note tied to the RBW and VBW Phase Jitter Measurement Description Phase Jitter refers to the amount of phase fluctuation and can be used to evaluate stability of a signal in the time domain Parameters Start Offset The start frequency with respect to the center frequency Stop Offset The stop frequency with respect to the center frequency 129 GW INSTEK GSP 930 User Manual Measurement Carrier Power dBm items Jitter in phase rad Jitter in time
80. easy to handle over the entire frequency range The built in pre amplifier on the GSP 930 has a nominal gain of 20dB In the Auto setting the pre amplifier will be automatically turned on when the reference level is less than 30dBm When the reference level is greater than 30dBm the pre amplifier is turned off The bypass setting turns the pre amplifier off 57 GW INSTEK GSP 930 User Manual Operation 1 Press Amina gt More F7 Preamp F6 to toggle the Preamp state Range Auto Bypass Display Icon The Pr amp icon indicates that the pre amplifier is on Example Pr amp icon When the pre amplifier is on the attenuator Note becomes fixed at OdB i e Attenuation OdB 58 GW INSTEK BASIC OPERATION Autoset The Autoset function searches the peak signals in two stages full span amp 0Hz 100MHz limited span picks the signal peak with the maximum amplitude and then shows it in the display Using Autoset Operation 1 Press gt Autoset F1 Autoset Range Amplitude 80dBm 20dBm Span 100Hz 3GHz Example After Autoset 59 INSTEK GSP 930 User Manual N RBW VBW and sweep settings are reset to Auto Note when the Autoset function is used Limiting the Autoset Vertical Search Range Description You can set the amplitude floor so that the signals lower than the setting will be ignored by the Autoset search Operation 1 Press
81. egister 1 6 Internal memory registers these internal registers are not part of local memory Local Internal memory USB External USB memory SD Card External micro SD card To Recall the selected file type press Recall Now F1 A message Finish will be displayed at the bottom of the screen when the recall is successful N Note The USB and micro SD card options will only be available when a flash drive SD card is inserted into the front panel ports 191 GW INSTEK GSP 930 User Manual Quick Save Description The key is a hot key to save files with a single press The type of file that is saved is pre configured with the key By default the S key will save screen shots to the local memory or to an external flash drive if inserted Supported File Types Screen trace state limit line correction sequence Connect External Memory To save files a USB flash drive or micro SD card insert the appropriate device into the front panel ports Quick Save Setup 1 Press the key and configure the file Type Data Source and Format See page 187 for details Using the Quick 1 Save key Press S5 at any time to save the selected file type using the settings above A Save Finish message will shown at the bottom of the screen when the save has been completed GW INSTEK FILE N The file name will be automatically created in the Note following forma
82. ement functions are turned on see page 111 for details the EMI filter is automatically disabled Conversely if the EMI filter is turned on any measurement functions are turned off Operation 1 Press 9 s EMI Filter F6 and toggle EMI filter on or off Sweep The GSP 930 has a number of sweep options including setting the sweep time and sweep mode continuous single The GSP 930 also has gated sweep modes Sweep Time Description Sweep time defines the length of time the system takes to sweep the current frequency span Note however that sweep time and RBW VBW are in a trade off Faster sweep times update the display more frequently but make RBW and VBW wider reducing the capability to separate signals at close frequencies GW INSTEK BASIC OPERATION Operation 1 Press _ gt Sweep Time F1 and toggle the Sweep time to Auto or Man 2 Set the sweep time for the Man mode Mode Auto Man Range 22ms 1000s span gt 0Hz 50us 1000s span 0Hz Resolution 10us Display Icon The SWT icon will be displayed at the bottom of the screen when in the sweep is in manual mode Single Sweep Description The single sweep function is used to perform a single sweep When Sweep Single is pressed the GSP 930 will perform a single sweep and then stop Operation 1 Press Corm gt Sweep Single F2 to put the spectrum analyzer into single sweep mode 2 Press Sweep Single F2 again to perform a
83. enerator TOI Third Order Intercept UE User Equipment UP Up Link VBW Video Bandwidth 208 1 5 APPENDIX GSP 930 Default Settings The following default settings are the factory configuration settings for the spectrum analyzer Function settings Test settings Frequency Center Frequency 1 5GHz Start Frequency 0Hz Stop Frequency 3GHz CF Step Auto Frequency Offset OHz Span Span 3GHz Amplitude Reference level 0 00dBm Attenuation Auto Scale Div 10 Scale Type Log Scale Off Y Axis dBm idus level offset Correction Off Input Z 50Q Input Z calibration 0 000dB Preamp Bypass Autoset Amp Floor Auto Span Auto BW Avg RBW Auto VBW Auto VBW RBW N A Average Off Average Power Log Power EMI Filter Off Sweep Sweep Time Auto Sweep Continuous Gated Sweep Off Gate Delay 50ms Gate Length 540ms Trace Activated traces trace 1 Trace Type Clear and Write Trace Math Off Detection Auto Normal Display Window Setup Spectrum LCD Backlight On LCD Brightness Hi Display Line 50 0dBm Off 209 GW INSTEK GSP 930 User Manual Meas ACPR Off OCBW Off AM Analysis Off FM Analysis Off Ear phone Out Off NdB BW Off Phase Jitter Off SEM Off TOI Off CNR CSO CTB Off Limit Line Limit lines Off Pass Fail Test Off Sequence Sequence Off Trigger Free Run File Typ
84. er Bandwidth 10 Hz to 3 kHz in 1 3 10 sequence 3dB bandwidth subtotal 6 filters 10 kHz to 1 MHz increment in 1096 step 3dB bandwidth min RBW 10 kHz zero span Subtotal 49 filters 200 Hz 9 kHz 120 kHz 6dB bandwidth Accuracy 896 RBW gt 750 kHz Nominal 5 RBW lt 750 kHz Nominal Shape Factor lt 4 51 Video Bandwidth VBW Filter Normal Bandwidth ratio 60dB 3dB 1 Hz to 1 MHz in 1 3 10 sequence Filter Bandwidth 3dB bandwidt 1 Frequency Resolution Span Sweep points 1 2 Typical specifications in this datasheet mean that the performance can be exhibited in 8096 of the units with a 95 confidence level over the temperature range 20 to 30 C They are not covered by the product warranty 3 Nominal values indicate expected performance They are not covered by the product warranty Amplitude Amplitude Range Measurement 100 kHz to 1 MHz Range Displayed Average Noise Level DANL to 18 dBm 1 MHz to 10 MHz DANL to 21 dBm 10 MHz to 3 GHz Attenuator DANL to 30 dBm Input Attenuator 50 dB in 1 dB step Range Maximum Safe Input Level Auto or manual setup Average Total gt 433 dBm Input attenuator Power gt 10 dB DC Voltage 50V 241 GW INSTEK GSP 930 User Manual 1 dB Gain Compression Total Power at Ist gt 0 dBm TypicakFc gt 50 MHz Mixer preamp off Total Power a
85. er factory default states or the user defined states depending on the Preset configuration settings e Using the Preset Key from page 109 e Save the User Preset Settings from page 109 e Preset Type Settings from page 110 e Power on Preset Settings from page 110 Using the Preset Key Description The Preset key loads the factory default state or user defined preset settings See the Preset Type Settings on page 109 to set the type of preset settings that are loaded Factory Preset The factory default settings are listed on page 209 Operation Press reset to load the preset settings Save the User Preset Settings Description The user defined preset settings can be created by saving the current state as the user defined preset settings Operation Press 9 gt Pwr On Preset F5 gt Save User Preset F3 to save the current state as the User Preset settings 109 INSTEK GSP 930 User Manual Preset Type Settings Description Each time the Preset key is pressed a set of preset configuration settings are loaded The preset configuration settings can be either the factory default settings or the user defined settings Operation 1 Press Seem Pur On Preset F5 Preset Type 2 and choose the preset type User Preset FT Factory Preset FZ Power on Preset Settings Description When the spectrum analyzer is turned on either the preset configuration settings are loaded
86. er frequency and span are added as steps to a sequence 1 Press Feaveney gt Center Freg F1 20MHz C 2 Press D Zero Span F3 3 The two operations are added to the Sequence Editor CenterFreq 20 000MHz ZeroSpan N The arrow keys can be used to move the cursor to Note the desired step 166 GW INSTEK ADVANCED OPERATION Add Delay to The delay function adds a delay between steps Sequence 1 Press Delay Time F2 gt and enter the delay time Range 100ms 10s 2 Press to add the delay time to the sequence editor The delay time will be inserted as a step CenterFreq 20 000MHz ZeroSpan Delay Time 500ms N The arrow keys can be used to move the cursor to Note the desired step Pause Sequence The Wait to Go function is used to pause a sequence until Continue F1 is pressed This is useful for observing measurements before moving onto the next step 1 Press Wait to Go F3 C9 Wait to Go will be inserted as a step CenterFreq 20 000MHz ZeroSpan Waittogo 2 When a sequence is running Press Continue F1 to resume running the sequence 167 INSTEK GSP 930 User Manual Insert Sequence Inserts another sequence into the current sequence 1 Press Do Sequence F4 gt and select a sequence to insert into the current sequence The selected sequence will be inserted as a step CenterFreq 20 000MHz Sequence 2 Z
87. er signal the delay time 3 The end of the gate time is determined by the 68 1 5 BASIC OPERATION set gate length 4 The gated sweep should not be positioned at either end of the transmission period RF Burst Trigger Delay Length Example The diagram above demonstrates the relationship between the input trigger the input signal and the position of the gated sweep relative to the input signal N Note Please take into consideration RBW settling time Setting the delay time too short may not leave enough time for the RBW filter to resolve 69 INSTEK GSP 930 User Manual Using the Gated Sweep Mode Connection 1 Connect a trigger signal 3 3v CMOS to the GATE IN port on the rear panel TRIG IN GATE IN Operation 1 Press sve gt GateDelay F5 and set the gate delay time 2 Press gt Gated Length F6 and set the gate time length 3 Press gt Gated Sweep F4 and turn the mode on Gate Delay Os 1000s Gate Length 10us 1000s Display Icon The Sweep Gated icon is displayed when Gated Sweep is turned on 70 INSTEK BASIC OPERATION Example The example below shows the spectrum of an FSK modulated signal when gated sweep mode is off 01 S Hz 70 13 d8m The example below shows the same signal with the gated sweep timed to sweep when only the desired
88. eroSpan N The current sequence cannot be inserted into Note itself Delete Step Any step in the Sequence Editor can be deleted 1 Use the arrow keys on the front KG panel to highlight the step you 9 wish to delete CenterFreq 20 000MHz Span 10 000MHz Ref Level 0 00dBm 2 Press Delete Step F5 gt to delete the step The selected step will be removed from the Sequence editor CenterFreq 20 000MHz Ref Level 0 00dBm Stop Editin 1 Press Stop Edit F6 g P 2 icon turns off 168 GW INSTEK ADVANCED OPERATION Save Current After a sequence has been edited and stopped Sequence it can be saved 1 Press Sewer gt Save Sequence F4 gt to save the sequence 2 The selected sequence will be saved Delete Current 1 Press 5 Delete Sequence F5 gt to delete Sequence the current sequence Running a Sequence Run Mode 1 Press gt Sequence F1 and choose sequence 2 Press Run Mode F6 and toggle the run mode Single Runs the sequence once only Cont Runs the sequence continually until Stop Running Sequence F7 is pressed Note the Stop Running Sequence F7 option only appears when the sequence is running Run Sequence 3 Press Run Now F7 to start running the selected sequence 4 Press Stop Running Sequence F7 to stop the sequence In single mode the sequence will stop running when all steps have finished 169 GW IN
89. esting 163 ro m 165 Editing 5 165 Running a Sequence sca t teet ie carter 169 111 GW INSTEK GSP 930 User Manual Measurement This section describes how to use the automatic measurement modes The GSP 930 includes the following measurements ACPR from page 114 e OCBW from page 117 AM demodulation from page 119 FM demodulation from page 123 N dB measurement page 128 Phase Jitter page 129 SEM measurement from page 132 TOI measurement from page 150 CNR CSO CTB measurement from page 152 Channel Analysis Overview Description Channel analysis measurement includes ACPR adjacent channel power and OCBW occupied bandwidth measurements Parameters Channel bandwidth The frequency bandwidth the target channel occupies Range Between 0Hz 3GHz 0Hz excepted Channel Space The frequency distance between each main channel Range Between 0Hz 3GHz 112 1 5 Adjacent channel bandwidth 1 amp 2 Adjacent channel offset 1 3 OCBW ADVANCED OPERATION The frequency bandwidth the adjacent channels occupy Range Between 0Hz 3GHz 0Hz excepted The frequency distance between the adjacent channels and main channel Range 1 Between 0Hz 3GHz 0Hz
90. external monitor to the rear panel DVI terminal 1 00999598 ono 095950990 Sie 259999850 gu 99 GW INSTEK GSP 930 User Manual Setting the Display Mode Description The GSP 930 has three different display modes for viewing spectrum spectrograph and topographic It is also possible to view the spectrum with the spectrographic or topographic views using a split screen Spectrum Default display mode Spectrogram Useful for viewing frequency or power in the time domain Topographic Useful for observing the frequency of events with a trace Operation 1 Press 2 gt Window Setup F1 and select the display mode Spectrum F T Spectrogram F3 Topographic F4 Spectrogram Spectrum F5 Topographic Spectrum F 6 N The same trace is used on the top and bottom for Note the Spectrogram Spectrum and Topographic Spectrum modes GW INSTEK BASIC OPERATION Example Spectrogram The Spectrogram view shows signals in both the frequency and time domain The X axis represents frequency the Y axis represents time and the color of each point represents the amplitude at a particular frequency amp time Red high dark blue low Each new trace is shown at the bottom of the display and older traces are pushed up toward the top of the display until they are removed 101 GW INSTEK GSP 930 User Manual 14 14 24 2011 06 17 Frequency
91. ference level amplitude N When the Mater key is used the span and other settings may be automatically changed Operation 1 Press water gt Select Marker F1 and select a marker number 2 Press and select a marker position 86 GW INSTEK BASIC OPERATION Mkr gt Center F1 Mkr gt Start F2 Mkr Stop F3 Mkr gt CF Step F4 Mkr gt Ref Lvl F5 Activate Delta Marker Description Delta markers are marker pairs that measure the difference in frequency time and amplitude between a reference marker and a delta marker When delta markers are activated the reference and delta marker appear at the position of the selected marker or in the center of the display if the selected marker has not yet be activated The marker measurement is located at the top of the display under the normal marker measurement Delta Markers Ref Reference marker designated as 1 Delta Delta marker designated as n Operation 1 Press Select Marker F1 and select marker number 2 Press F2 to turn the selected marker on 3 Press Delta F4 gt Delta F1 to set the selected marker to the Delta type 87 1 5 GSP 930 User Manual Move Delta Marker s Manually Move Delta or 1 Reference Marker Press we Delta F4 gt Move F2 gt Move Ref F2 to move the reference marker Press Matter gt Delta F4 gt Move F2 gt Move Delta F3 to move the Delta marker Move the
92. ger Mode Trigger Freq Nor Sgl Cont 1 12345M Hz Only for when Wait to 90 is used in the sequence Trigger Delay m Delete Sequence Delete Step Run Mode i i Single ndi Stop Running Sequence 215 INSTEK GSP 930 User Manual Trace Display Select Trace gt TR1 gt Detection gt TR2 gt Clear amp Write Normal Max Hold Power Diff 130 0dBm TR1 TR2 Log Diff Min Hold 50 00dBm TR1 TR2 Ref Log Offset 0 00dB TR1 Offset Window Setup gt LCD Brightn Al EPO Sectan gt Seen Display Line 50 00dBm Topographic Peak On Off Spectrogram Sample Spectrum Topographic Average Spectrum HR HE 216 GW INSTEK APPENDIX Marker Marker Select Marker gt Marker 1 Delta off Marker 2 Move Ref Normal Marker 3 Move Delta Move Pair Delta gt Marker 4 pan Move Pair Function gt Marker 5 Center All Off Marker 6 More i 1 2 1 Return Marker Trace gt Trace 1 Auto Freq Counter gt ou reg Counter Auto Man S gt Resolution id T Trace 1 a kHz mE Auto Man Trace 2 Trace 3 Trace 4 Return 2 2 Return Return 217 1 5 GSP 930 User Manual Peak Search Marker gt Peak Peak Track Peak Search On Off Peak Excursion Mkr gt Center 10 0098 Peak Threshold Next Peak 50 00dBm On Off Next Peak Right Next Peak Left More 1 2 Mkr gt Center M
93. hardware flow control e USB 20 with support for USB LAN TCP IP with LXI support e Optional GPIB TEEE488 interface IF output 886MHz Headphone output REF reference clock input output BNC ports Alarm Open collector output BNC port Trigger Gate input BNC ports RF N type input port Tracking generator output DC 7V 500mA output SMB port 10 1 5 GETTING STARTED Accessories Standard Part number Accessories Region dependant Region dependant Options Option number Optl Opt2 Opt3 Optional Part number Accessories PWS 06 GRA 415 Description User manual Power cord Description Tracking generator Battery 11 1V 5200mAH Li ion battery GPIB interface IEEE 488 bus Description USB Average Power Sensor up to 6200 MHz 32 to 20 dBm 6U Rack mount kit GW INSTEK GSP 930 User Manual Package Contents Check the contents before using the GSP 930 Opening the box Contents Main unit Power x1 region single unit may include optional dependent GPIB TG output e Quick Start manual e User Manual CD e Optional battery pack Calibration certificate 12 GW INSTEK GETTING STARTED Appearance GSP 930 Front Panel
94. he upper and lower 3 4 order intermodulation product amplitude 5 Press Pass Fail Test F4 to toggle pass fail testing on off CNR CSO CTB Measurement Carrier to Noise Ratio CNR Description Carrier to noise ratio calculates the difference in amplitude between the carrier signal and the noise level present in the transmission CNR measurements are used for both analog and digital CATV Parameters Noise Marking Sets the position of the delta marker A1 using two options MIN The delta marker will search for the minimum between the carrier frequency and the carrier frequency 4MHz AMarker User defined delta marker position 152 GW INSTEK ADVANCED OPERATION Measurement Visual Carrier frequency amplitude items CNR amplitude difference Af frequency difference between visual carrier and noise marker Example 1 lt Visual carrier marker Aural audio carrier gt P 8 next main channel Operation 1 Press C gt CNR CSO CTB F7 gt Setup F1 gt CNR F1 to choose CNR measurement 2 Press Noise Marking F1 and toggle the noise marker type between Min and AMarker 3 If Min was selected press Return F7 to return to the previous menu 4 If AMarker was selected press V Delta F4 gt Delta F1 and set the delta marker position See page 86 for details on moving markers Press gt CNR CSO CTB FT to return to the previous menu 153
95. icro SD card Format SDSC SDHC 179 GW INSTEK GSP 930 User Manual File Types Overview The file types are listed in order as shown in the file State State data contains the state of the each of the panel operations e Frequency e Sequence Span e Trigger Amplitude e Marker BW Avg e Marker gt Sweep e Peak Search Trace e Preset Display Mode Meas e System Limit Line Trace Trace data contains the trace data in comma separated values Center frequency Span Resolution Bandwidth Video Bandwidth Reference Level Sweep Time Point number trace data points Screen Contains the JPEG file of the display 800X600 Limit Line The limit line data contains the following in comma separated values Point number Frequency value of point Magnitude of point Magnitude unit 1 5 FILE Correction Correction data contains the following correction line data Point number Frequency value of point Gain offset of point Unit Sequence The sequence files contain the sequence number and step operations for that sequence This data is not designed to be user editable Power Meter The power meter data contains Date Time Power in dBm Using the File Explorer Connect External Memory To view files on a USB flash drive or micro SD card insert the appropriate device into the front panel port Selecting
96. is recognized Indicates that a micro SD card is inserted into the front panel and is recognized 23 GW INSTEK GSP 930 User Manual First Use Instructions Use the procedures below when first using the GSP 930 to tilt the stand insert the battery pack power up the instrument setting the internal clock the wake up clock updating the firmware and restoring the default settings Lastly the Conventions sections will introduce you to the basic operating conventions used throughout the user manual Tilting the Stand Description The GSP 930 has two adjustable rubber feet that can used to position the instrument into two preset orientations Upright Position Tuck the feet under the bottom of the instrument to stand the instrument upright Leaning Position Pull the feet back to have the instrument leaning back 24 1 5 GETTING STARTED Inserting the Battery Pack Description Steps Display Icon Insertion Diagram The GSP 930 has an optional battery pack The battery should be inserted before power is connected to the AC power socket and before the unit is turned on Ensure the power is off and the AC power is disconnected Remove the battery cover Insert the battery as shown in the diagram below Replace the battery cover The battery icon is displayed when GSP 930 is running on battery power
97. is type of menu key will activate that function The menu key will be highlighted to show it is the active function 33 GW INSTEK GSP 930 User Manual Parameter input Using the numeric keypad Back Space 34 Numerical keypad Scroll wheel Directional arrow keys Backspace Enter keys Parameter values can be entered using the numeric keypad the scroll wheel and occasionally with the arrow keys When prompted to enter a parameter use the number keys 0 9 the decimal key and the sign key to enter a value After a value has been entered the soft menu keys can be used to select the units The value of the parameter is shown at the bottom of the screen as it is edited Edited parameter Use the backspace key to delete the last character or number entered GW INSTEK GETTING STARTED Using the scroll Use the scroll wheel to alter the current value wheel Clockwise increases the value anti clockwise decreases the value Directional arrows Use the directional arrows to select discrete parameters or to alter values by a coarser resolution than the scroll wheel Left decreases the value right increases the value 35 GW INSTEK GSP 930 User Manual Basic OPERATION FREQUENCY Settihigs isc aeesesesekeseseceessexeseees eeu bee reve eek pu en Center PrequeBCy ise cnuceten enn ORURO RUNAR ORNYCH Start and Stop Frequency Center Frequency
98. isiini 67 LAN configuration 196 Sweep time 66 RS232C configuration 199 System USB configuration 195 Alarm output ccs 108 Remote control function check199 Date amp time 106 Replace the clock battery 206 Set language 106 Restore default settings 31 109 ie OR germinis 105 SEM jew error messages 105 Wake up clock 107 ROK order intermodulation 132 distortion nsss 150 145 Tilting staid egennamn 24 Seqeunce TOI wetter 150 Editing sonic 165 Trace OVEIVICW 165 Detection modes 75 dde ceste noires 169 Icons Service operation Math About disassembly 4 Selecting trace Contact 205 S Span Tracking generator Full 44 Activation 170 Last Spare cette ed 45 Normalization 171 Seting 43 Trigger Zero 6 44 Del y 83 240 External 81 Amplitude Free run 79 DIMENSIONS 249 Frequency eet 240 Video trigger General ees 246 UK power Input ou
99. kr gt Start Mkr gt Stop Mkr gt CF Step Mkr gt RefLvl 218 Peak Table On Off Peak Sort Freq Amp GW INSTEK APPENDIX System System Information Power On Last Preset Show Error message Factory Error message gt Prev Page Preset Type gt Factory Preset Save User Preset Language gt English Next Page Date Time gt Pwr On preset gt Alarm Output Clear Error n ff queue More 1 2 Return Return Year Set Date gt 2011 Rmt Interface Month Minute Set Time gt Wake Up Clock Second Edit gt 2 Service gt Return Return Return pg 2 9 a t 5 a we m z o Rs 5 N3 V V g ox o N 19 GW INSTEK GSP 930 User Manual From System gt Date Time gt Wake Up Clock Edit gt Select Clock Monday State Tuesday Hour Wednesday 13 cond Rept Single Friday Saturday Sunday From System More 1 2 Rmt Interface Config GPIB Addr Address Subnet Mask Default LAN Reset Gateway 172 16 0 1 RS232 Baud Rate gt 17216 1248 115200 USB Mode LAN Config Host Device DHCP Manual 220 GW INSTEK APPENDIX From System gt More 1 2 gt Option Tracking TG TG Level i Norm Ref Lv 0 00dBm 0 000dB TG Lvl Offset Nor Ref Pos 0 0000B 10 TG Lvl Step 0 00098 Power Sweep 0 000dB On Off
100. language Operation 1 Press Ss gt Language F3 and choose the system language Set the Date and Time Operation 1 Press S gt Date Time F4 2 Press Set Date F1 to set the date Year F1 Sets the year Month F2 Sets the month Day F3 Sets the day 3 Press Set Time F2 to set the system time HourfF T Sets the hour 24hr MinutefF2 Sets the minute Second F3 Sets the second 4 The system time and date will be shown at the top of the display Time Date 106 1 5 BASIC OPERATION Using the Wake Up Clock Description The GSP 930 has a wake up clock to allow the spectrum analyzer to automatically turn on at a set time Operation 1 Press S gt Date Time F4 gt Wake Up Clock F3 and set the following parameters Clock F 1 Choose a wake up clock 1 7 State F2 Turns the selected clock on off Hour F3 Set the wake up hour Minute F4 Set the wake up minute Rept Single F5 Set the wake up clock to repeat or single N Only single days can be configured for the wake up Note clock 107 INSTEK GSP 930 User Manual Alarm Output Description Allows the pass fail output to be output via the ALARM OUT port Output Open collector Alarm Out BNC we Operation 1 Press gt Alarm Output F6 and toggle the ALARM OUT port on or off 108 GW INSTEK BASIC OPERATION Preset The Preset function loads eith
101. level Couple Sets the Abs Stop level to the Abs Start level Rel Start F4 Sets the relative start level limit for the selected offset 146 GW INSTEK ADVANCED OPERATION Rel Stop F5 Sets the relative stop level for the selected offset Man Allows a user defined Abs Stop level Couple Sets the Rel Stop level to the Rel Start level 7 Press Fail Mask F6 to set the Fail Mask conditions Absolute F T Sets the fail condition to the Absolute level limit Relative F 2 Sets the fail condition to the relative level limit Abs AND Rel F3 Sets the fail condition as both the absolute and relative level limits Abs OR Rel F4 Sets the fail condition to either the absolute or relative level limits 8 Press Select Offset F1 and repeat the above steps for any other offsets Offset 1 5 Pre Set Test For details on 3GPP SEM test parameters Parameters please see the SEM overview on page 132 3GPP 1 Press Setup F1 gt 3GPPI F1 to choose 3GPP measurement 147 GW INSTEK GSP 930 User Manual 2 Press Ref Channel F2 and set the following RBW F3 Sets the resolution bandwidth 3 Allother reference channel settings are pre defined 4 Press Return F7 to return the previous menu 5 Press Offset Limit F3 Duplexing Mode F1 and choose FDD or TDD duplexing 6 For FDD press FDD Setup F2 set the FDD parameters for TDD press TDD Setup F3 Transmission F 1 Toggles between B
102. lly created in the following format File name type data source file number file extension The file number parameter is incremented each time the same file type is created 9 To start recording power meter measurements press Record Now F3 A message SaveFinish will be displayed at the bottom of the screen when the recording has finished Stop Recording To manually stop the recording press Record Stop F2 177 GW INSTEK GSP 930 User Manual Fite File Overview The File function is used for basic file related operations including navigation sorting coping and deleting The GSP 930 has a number of different file formats for trace data limit lines amplitude correction sequences and other panel operations File source and destination locations local USB or micro SD can also be chose with the file function File Type Overview from page 179 File Types from page 180 Using the File Explorer from page 181 Copy Files from page 183 e Move Files from page 183 Delete Files from page 184 Rename Files from page 185 Save Files from page 187 Recall Files from page 190 Quick Save from page 192 178 GW INSTEK FILE File Type Overview Local The GSP 930 has 16MB of local memory to save data to USB The GSP 930 can save to an external USB flash memory drive USB Type 1 1 2 0 Micro SD The GSP 930 can save to a m
103. mple Useful for noise signals Calculates the average of all the samples in the sample bucket 1 5 BASIC OPERATION Auto Detector Selection Method Below is a flow chart diagram showing the Detector selection for the Auto mode Detector Auto mode 1 windows set to Topographic i Is Phase Jitter Y measurement on Is Average Type set to Power Is trace Average on Are any traces set to Max Hold Are any traces set to Min Hold Operation Press gt More F7 gt Detection F2 Select the trace detection mode for the selected trace Autof F T Normal F2 Peak F3 Peak F4 Sample F5 Average F6 77 INSTEK GSP 930 User Manual 3 The display will return the Trace menu Display Icon Normal Average icon Peak icon Peak icon Sample icon Average icon 78 GW INSTEK BASIC OPERATION Trigger The Trigger function sets the signal conditions upon which the spectrum analyzer triggers captured waveforms including frequency amplitude and delay An external trigger signal instead of the default internal signal may be used as required for special conditions The sections below can be used to skip to the relevant section e Free Run Mode from page 79 e Activate Video Trigger from page 79 e Activate External Trigger from page 81 e Selecting Trigger Mode from page 81 Se
104. nction Check Functionality Please use the National Instruments check Measurement amp Automation Controller software to confirm GPIB LAN functionality See the National Instrument website http www ni com for details For further details please see the programming Note manual available on the GW Instek web site www gwinstek com GW INSTEK FAQ Fag connected the signal but it does not appear on screen want to see which optional items are installed The performance does not match the specification connected the signal but it does not appear on screen Run Autoset and let the GSP 930 find the best display scale for your target signal Press the Autoset key then press Autoset F1 For details see page 59 want to see which optional items are installed Check the optional items in the system information window Press the System key System Information F1 For details see page 105 The performance does not match the specification Make sure the device is powered On for at least 30 minutes within 20 C 30 C This is necessary to stabilize the unit to match the specification For more information contact your local dealer or GWInstek at www gwinstek com marketing goodwill com 205 GW INSTEK GSP 930 User Manual D ppENDIX Replace the Clock Battery Background The system clock and wake up clock keep time using a button battery Battery type CR2032 3V
105. nu 2 Press Type F2 and select Power Meter F7 3 Press Data Source F3 and select Power State F1 4 Press PMET Record Option F4 and set the recording options Record 5 1 Sets the recording time for automatic data logging 00 00 00 continuous or 00 00 01 23 59 59 Record Step F2 1 999sec 5 Press Save To F1 and select a destination source Register 1 6 Internal memory registers these internal registers are not part of local memory Local Internal memory 175 GW INSTEK GSP 930 User Manual SD Card External micro SD card N The micro SD card option will only be available Note when a micro SD card is inserted into the front panel port 6 After a destination has been selected recording options appear 7 To name the log file press Name F1 Name the selected file using the F1 F7 keys as shown below or use the numeric keypad to enter numbers Limitations No spaces Only 1 9 A Z az characters allowed SF A B 0 4 ABCDE D b FGHIJ E KLMNO Lowercase lt d 4 Name PQRST Return e M UVWXY 2 Return 9 2 Return 8 The filename appears on the bottom of the screen as it is created Filename 176 GW INSTEK ADVANCED OPERATION Press to confirm setting the filename N If the file name is not user defined a file name will Note be automatica
106. o a normalized reference level Operation 1 Press 9 gt More 1 2 F7 gt Option F1 gt Tracking Generator F1 gt TG F1 and toggle the tracking generator on 2 Press Normalize F6 to enter the Normalization menu 3 Press Norm Ref Level F2 to set the vertical level of the normalized reference Range OdB 100dB 4 Press Norm Ref Position F3 offsets the normalized trace on the screen Range 10 0 grid divisions top to bottom 171 INSTEK GSP 930 User Manual 5 Press Norm F5 to toggle the normalized data on off Alternatively press Exe Norm F1 to perform the normalization again N The normalized data will be turned off Note automatically if any X axis related parameters are changed or if the TG output level is changed The warning message Execute Normalization again will appear under these circumstances 172 INSTEK ADVANCED OPERATION Power Meter When using the optional power meter the GSP can measure and log the average signal power level of a DUT from 32dBm 20dBm over an operating frequency range of 1Mhz to 6 2GHz Activating Power Meter Mode from page 173 Data Logging Power Meter Measurements from page 175 Activating Power Meter Mode Operation 1 Press _ gt Power Meter F2 to enter the power meter mode 2 The display splits into two screens The top screen shows the power measurement in dBm or W The bottom screen shows a
107. o add an offset to the Center Start and Stop frequencies as well as the marker frequencies The offset value does not affect displaying the trace on the display Operation 1 Press euere gt Freg Offset F5 and set the offset value The Center Start Stop and Marker frequencies are updated accordingly Offset Range 0Hz 100GHz Display Frequency Offset 42 INSTEK BASIC OPERATION Span Settings Span Description The Span function will set the frequency range of the sweep The sweep will be centered around the center frequency Setting the span will alter the start and stop frequencies Operation 1 Press Span F1 and enter the span frequency range and unit Range 0kHz 3GHz Resolution 1Hz Default Span 3GHz Display Set Span 43 GW INSTEK GSP 930 User Manual Full Span Description The Full Span function will set the span to the full frequency range This function will set the start and stop frequencies to 0Hz and 3GHz respectively Operation 1 Press gt Full Span F2 Zero Span Description The Zero Span function will set the frequency range of the sweep to 0Hz and fixes the start and stop frequencies to the center frequency The Zero Span function measures the time domain characteristics of the input signal at the center frequency The horizontal axis is displayed in the time domain Operation 1 Press sean gt Zero Span F3 The s
108. o set the low pass filter frequency alternatively the frequency can be set to bypass Signal Frequency Hz Selectable bandwidth of LPF Hz 278 125 156 250 78 125 52 083 39 063 31 250 239 063 78 125 39 063 26 042 19 531 15 625 219 531 39 068 19 531 13 021 9 766 7 813 27 813 15625 7 813 5 208 3 906 3 125 23 906 7 813 3 906 2 604 1 953 1 563 21 953 3 906 1 953 1 302 977 781 2781 1 563 781 521 391 313 2391 781 391 260 195 156 2195 391 195 130 98 78 gt 78 156 78 52 39 31 239 78 39 26 20 16 gt 20 39 20 13 10 8 28 16 8 5 4 3 6 Press Time Axis F3 to set horizontal axis parameters 120 INSTEK ADVANCED OPERATION Ref Value F1 Sets the starting time on the time axis Ref Pos F2 Shifts the waveform X number of grid subdivisions Scale Div F3 Sets the grid division scale when Auto Scale is Off Auto Scale F4 Toggles auto scaling on off 7 Press Depth Axis F4 to set depth vertical parameters Ref Value F 1 Offsets the reference position as a percentage of the vertical scale div Ret Pos F2 Sets the reference position of the waveform on a horizontal grid subdivision 1 10 Scale Div F3 Sets the horizontal grid division scale when Auto Scale is Off Auto Scale F4 Toggles auto scaling on off Operation 8 Press AF Trigger F5 to set the triggering trigger conditions configuration FreeRun F 1 Disables the trigger this is the default setting Edge Slope F2
109. on 201 GW INSTEK GSP 930 User Manual View amp Modify The View amp Modify Configuration allows you Configuration to modify the LAN settings from the browser A password must be entered to alter the settings Password lxiWNpwd Note password is case sensitive TCP IP Configuration Mode Subnet Mask DNS hostname Description Password Change Password Enter Old Password Enter New onfirm New Password N If the Factory Defaults option is chosen the Note password will be reset back to the default password It will also be necessary to manually reset the spectrum analyzer when a message prompts you to do so on the web browser 202 INSTEK REMOTE CONTROL SCPI Command The SCPI Command page allows you to enter SCPI commands directly from the browser for full remote control Please see the programming manual for details A password must be entered before remote commands can be used Password lxiWNpwd Note password is case sensitive LXI SCPI Command Clear Window SYST ERR Enter SCPI command or query Write Read write amp Read Get Image The Get Image page allows the browser to remotely capture a screenshot of the GSP 930 display N For further details please see the programming Note manual available on the GW Instek web site www gwinstek com 203 GW INSTEK GSP 930 User Manual GPIB LAN Control Fu
110. onnector plug For remote control only supports USB TMC Protocol Version 2 0 Supports Full High speed 245 GW INSTEK GSP 930 User Manual IF Output Connector Type SMA female Impedance 50 ohm Nominal IF Frequency 886 MHz Nominal Output level 25 dBm 10 dB attenuation RF input 0 dBm 1 GHz Earphone Output Connector Type Video Output 3 5mm stereo jack wired for mono operation Connector Type RS232 Interface DVI I integrated analog Compatible with VGA and digital Single Link HDMI standard through adapter Connector Type GPIB Interface Optional D sub 9 pin female Tx Rx RTS CTS Connector Type AC Power Input IEEE 488 bus connector Power Source Battery Pack Optional AC 100 V to 240 V 50 60 Auto range selection Hz General Battery pack 6 cells Li lon With UN38 3 rechargeable 3S2P Certification Voltage DC 10 8 V Capacity 5200 mAh 56Wh 246 Internal Data 16 MB nominal storage Power 65 W Consumption Warm up Time 30 minutes Temperature Range 5 to 45 C Operating 20 C to 70 C Storage Weight 4 5 kg 9 9 Ib Inc all options Basic TG GPIB Battery Dimensions 210 x 350 x 100 mm Approximately 8 3 x 13 8 x 3 9 in GW INSTEK APPENDIX Tracking Generator Optional Frequency Range 100 kHz to 3 GHz Output Power 50 dBm to 0 dBm in 0 5 dB steps Absolute A
111. ory can be copied to external memory such as USB or micro SD card and vice versa Connect External Memory Insert either a USB flash drive or micro SD card into the front panel connectors Selecting files 1 Press ie gt File Explorer Select a file from local or external memory Press Copy to F4 Press Media F1 and select the destination to copy to local USB SD card Press Copy Now F2 The file is copied to the destination directory N Note Move Files The USB and micro SD card options will only be available when a flash drive SD card is inserted into the front panel ports Description Files from local memory can be moved to external memory such as USB or micro SD card and vice versa Connect External Memory Insert either a USB flash drive or micro SD card into the front panel connectors 183 GW INSTEK GSP 930 User Manual Selecting files 1 Press Fe gt File Explorer 2 Select a file from local or external memory 3 Press Move to F4 4 Press Media F1 and select the destination to move to local USB SD card 5 Press Move Now F2 6 The file is moved to the destination The USB and micro SD card options will only Note available when a flash drive SD card is inserted into the front panel ports Delete Files Description Any files in local memory or external memory such as USB or micro SD card can be deleted Connect
112. p frequency function will set the start and stop frequency of the span Operation 1 To set the start frequency press Frequency gt Start Freq F2 and enter the frequency and unit 2 To set the stop frequency press gt Stop Freq F3 and enter the frequency and unit Range 0kHz 3GHz Resolution 1Hz Default Start frequency OHz Default Stop frequency 3GHz Display Start Frequency Stop Frequency Start Frequency Stop Frequency The start and stop frequency can change when the Note span settings are used The stop frequency must be set higher than the start frequency for spans z 0 otherwise the span will be automatically set to 100Hz GW INSTEK BASIC OPERATION Center Frequency Step Description The CF Step function sets the step size of the center frequency when using the arrow keys When the arrow keys are used to alter the center frequency each press will move the center frequency by the step size specified by the CF Step function In auto mode the center frequency step size is equal to 10 1 division of the span Operation 1 Press Few CF Step F4 and set the CF Step to Auto or Man 2 If Man was selected set the frequency and unit of the center frequency step size Manual Range 100Hz 3GHz Auto range 1 10 of span frequency Display CF Step size 41 GW INSTEK GSP 930 User Manual Frequency Offset Description The Freq Offset function allows you t
113. pan changes accordingly GW INSTEK BASIC OPERATION Display Time domain OHz Span Example Amplitude modulation AN The measurement functions such as TOI SEM Note CNR CTB CSO ACPR OCBW phase Jitter and NdB are not available with the zero span setting Last Span Description The last span function returns the spectrum analyzer to the previous span settings Operation 1 Press gt gt Last Span F4 45 INSTEK GSP 930 User Manual Amplitude Settings The vertical display scale is defined by the reference level amplitude attenuation scale and external gain loss Reference Level Description The reference level defines the absolute level of the amplitude on the top graticule in voltage or power Operation 1 Press we Ref Level F1 and enter the reference level amplitude and unit Range 120dBm 30dBm Units dBm W V dBmV dBuV Resolution 1dBm Display Ref Level reading Reference Level 27 4 Amplitude GW INSTEK BASIC OPERATION Attenuation Description The attenuation of the input signal level can set to automatic Auto or manual Man When the attenuation is set to Man the input attenuator can be changed manually in 1dB steps Operation 1 Press vw A ttenuation F2 and select Auto or Man 2 If Man was selected enter the attenuation level and unit Range OdBm 50dBm Units dBm Resolution 1dB Display Attenuation level 47
114. reamp on x 0 4 dB Ref level 30 dBm Frequency Response O dB RF attenuation Preamp off Attenuation 10 dB Reference 160 MHz 20 to 30 100 kHz to 2 0 0 5 dB GHz 2 0GHz to 3 0 0 7 dB GHz Preamp on Attenuation 0 dB Reference 160 MHz 20 to 30 C 1 MHz to 2 0 0 6 dB GHz 2 0GHz to 3 0 0 8 dB GHz Attenuation Switching Uncertainty Attenuator setting to 50 dB in 1 dB step Uncertainty RBW Filter Switching Uncertainty 0 15 dB reference 160 MHz 10dB attenuation 10 Hz to 1 MHz Level Measurement Uncertainty 0 15 dB reference 10 kHz RBW Overall Amplitude Accuracy 1 5 dB 20 to 30 frequency gt 1 MHz Signal input 0 to 50 dBm Reference level 0 to 50 dBm Input attenuation 10 dB RBW 1 kHz VBW 1 kHz after cal Preamp Off x 0 5 dB Typical 243 GW INSTEK GSP 930 User Manual Spurious Response Second Harmonic Preamp off signal input 30dBm 0 Intercept dB attenuation 35 dBm Typical 10 MHz lt fc lt 775 MHz 60 8 Typical 775 MHz fc lt 1 5 GHz Third order Preamp off signal input 30dBm 0 Intercept dB attenuation gt 1dBm 300 MHz to 3 GHz Input Related 60dBc Signal level 30 dBm at 1st mixer 20 Spurious to 30 Residual 90dBm Input terminated 0 dB attenuation Response Preamp off inherent Sweep Sweep Time Range 22 ms to 1000 s Span 0 Hz 50 us to
115. rkers Peak Search Peak Table 97 GW INSTEK GSP 930 User Manual Display The Display key configures the basic display settings as well as setting up the display mode spectrum spectrographic topographic and the split screen modes Adjusting the LCD Brightness Description The LCD brightness levels can be adjusted to three pre set levels Operation 1 Press 0 LCD Brightness F2 to toggle the display brightness Hi High brightness Mid Medium brightness Lo Low brightness Turning the LCD Backlight Off Description The LCD backlight can be turned off to preserve power or to prolong the lifetime of the LCD display when not in use Operation 1 Press 2 gt LCD Backlight F3 and turn the LCD backlight off 2 When the backlight is off press any function key to turn the LCD backlight back on 98 INSTEK BASIC OPERATION Setting a Display Line Reference Level Line Description The Display Line function is used to super impose a reference level line over the traces Operation 1 Press oso gt Display Line F4 to turn the display line on 2 Set the display line level and unit Example Display line Display line set at 50 Using the Video Out Port Description The GSP 930 has a dedicated DVI terminal to output the display to an external monitor The video output is always on Output resolution 800 x 600 fixed Operation 1 Connect an
116. rmed on circuits not directly connected to Mains Power Supply AC Input voltage range 100V 240V e Frequency 50 60Hz WARNING Toavoid electrical shock connect the protective grounding conductor of the AC power cord to an earth ground A INSTEK SAFETY INSTRUCTIONS Battery e Rating 10 8V 6 cell Li ion battery AN e Turn off the power and remove the power cord CAUTION before installing or removing the battery Cleaning e Disconnect the power cord before cleaning Usea soft cloth dampened in a solution of mild detergent and water Do not spray any liquid Do not use chemicals containing harsh material such as benzene toluene xylene and acetone Operation e Location Indoor no direct sunlight dust free Environment almost non conductive pollution Note below e Temperature 5 C to 45 e Humidity 9076 Pollution Degree EN 61010 1 2010 specifies the pollution degrees and their requirements as follows The instrument falls under degree 2 Pollution refers to addition of foreign matter solid liquid or gaseous ionized gases that may produce a reduction of dielectric strength or surface resistivity e Pollution degree 1 No pollution or only dry non conductive pollution occurs The pollution has no influence e Pollution degree 2 Normally only non conductive pollution occurs Occasionally however a temporary conductivity caused by condensation must be expected
117. rom From From Measure SEM Measure SEM Measure SEM 802 11n 802 16 Offset Limit 802 16 Offset Limit 802 11b Offset Limit Min Offset Limit CH BW Offset Offset 10M 20M di 2 1 2 3 4 Min Offset Limit Start Freq Start Freq Value 2 7MHz 2 7MHz Stop Freq Stop Freq 2 7MHz 2 7MHz RBW RBW 3MHz 3MHz Rel Start Rel Start 22dBc 22dBc Rel Stop Rel Stop 22dBc 22dBc 237 1 5 From Measure gt SEM gt 802 11g gt Offset Limit gt Min Offset Limit 802 11g modulation DSSS Offset 1 2 On Off Start Freq 2 7MHz RBW Stop Freq 2 7MHz More 1 2 Il From Measure SEM 802 119 Offset Limit Min Offset Limit 802 119 modulationZOFDM Offset 1 1234 Off Start Freq 2 7MHz RBW Stop Freq 2 7MHz More 1 2 238 2 Offset 2 Rel Start 22dBc Rel Start 22dBc Return Offset 3 4 Rel Start 22dBc Rel Start 22dBc Return GSP 930 User Manual GW INSTEK APPENDIX From Measure gt SEM gt User Define gt Offset 123 4 5 Offset 12345 Absolute Meas Type gt Chan Integ BW Total Pwr Ref Total PwrRet 3 84MHz Ref Channel enan Span RBW Offset Limit gt 10kHz Auto Man Total Pwr Ref 74 3dBm Auto Man Abs Start U n 2 o vo On Off 22dBm Relative Start Freq Abs Stop 2 7MHz 22dBm Abs AND Rel Stop Freq Rel Start 2 7MHz 22dBc Abs OR Rel RBW Rel Stop 10kHz 22dBc Auto Man Couple
118. s DANGER High Voltage Attention Refer to the Manual Earth ground Terminal Frame or Chassis Terminal Do not dispose electronic equipment as unsorted municipal waste Please use a separate collection facility or contact the supplier from which this instrument was purchased by EB GW INSTEK GSP 930 User Manual Safety Guidelines General Do not place any heavy object on the Guideline instrument e Avoid severe impact or rough handling that CAUTION leads to damaging the instrument Do not discharge static electricity to the instrument Use only mating connectors not bare wires for the terminals e Ensure signals to the RF input do not exceed 30dBm Ensure reverse power to the TG output terminal does not exceed 30dBm Do not supply any input signals to the TG output Do not block the cooling fan opening Do not disassemble the instrument unless you are qualified Measurement categories EN 61010 1 2010 specifies the measurement categories and their requirements as follows The instrument falls under category Il e Measurement category IV is for measurement performed at the source of low voltage installation e Measurement category IIl is for measurement performed in the building installation e Measurement category Il is for measurement performed on the circuits directly connected to the low voltage installation e Measurement category is for measurements perfo
119. s IP3 are calculated Markers are placed at the frequencies of the TOI products and their respective base signals Limits can be placed on the upper and lower TOI products for limit testing Parameters Reference Lower Sets the reference level to lowest base signal Reference Upper Set the reference level to the highest base signal Limit Sets the limit in dBm for pass fail testing Pass Fail Test Enables disables pass fail testing Measurement Base Upper Frequency dBm dBc items Base Lower Frequency dBm dBc 3 9 Order Lower Frequency dBm dBc limit Intercept point 3 9 Order Upper Frequency dBm dBc limit Intercept point Af Frequency 1 5 ADVANCED OPERATION Example Af Limit 3 4 Order Upper Base Lower Base Upper 3 9 Order Lower Operation 1 Press v TOI F6 gt TOI F1 and turn TOI on Any other measurement mode will automatically be disabled The display splits into two screens The top shows the trace with markers in the upper and lower base frequencies and the upper and lower 314 order intermodulation products The bottom screen shows the TOI measurements and pass fail results 3 Order Lowerand 3 Order lower upperbase upper marker marker TOI measurement and results 151 GW INSTEK GSP 930 User Manual 3 Press Reference F2 to set the reference to the upper or lower base frequencies 4 Press Limit F3 and set the limit for t
120. served Reserved 875 890MHz 791 821MHz 1495 9 1510 9MHz 1930 1995MHz for FDD referenced from ETSI 3GPP TS 25 101 version 10 2 0 Release 10 3GPP TS 25 104 version 10 2 0 Release 10 135 1 5 GSP 930 User Manual 3GPP FDD BS 136 For the FDD configuration different limits can by chosen based on the total channel power P The default value for Afmax is 12 5MHz Afmax can be user defined The channel span is set to 5MHz Note A B C D E denote offsets 1 to 5 respectively Unit MHz Absl l RBW gt 43 2 5 lt lt 2 7 14dBm 30kHz 2 7 lt B lt 3 5 14 26dBm 30kHz 3 5 lt C lt Afmax 13dBm 1MHz Unit MHz Abs RBW 39 lt P lt 43 2 5 lt A lt 2 7 15dBm 30kHz 2 7 lt B lt 3 5 14 26dBm 30kHz 3 5 lt C lt 7 5 13dBm 1MHz 7 5 lt D lt Afmax P 56dB 1MHz Unit MHz Absl l RBW 31 lt P lt 39 2 5 lt A lt 2 7 P 53dB 30kHz 2 7 lt B lt 3 5 P 53dB 30kHz P 56dB 3 5 lt C lt 7 5 P 52dB 1MHz 7 5 lt D lt Afmax 56 1MHz Unit MHz Absll RBW lt 31 2 5 lt lt 2 7 22dBm 30kHz 2 7 lt B lt 3 5 22 34dBm 30kHz 3 5 lt C lt 7 5 21dBM 1MHz 7 5xD Afmax 25dBm 1MHz INSTEK ADVANCED OPERATION For P lt 31 two additional power limits shown below can be selected via the Additional Max Out Pwr option for Home BS applications The default value for Afmax is 14 5 MHz Afmax can be user defined Unit
121. single sweep Display Icon The Sweep Single icon is displayed on the right hand side of the screen when the sweep is in single mode You must wait for the single sweep to finish before Note pressing the Single Sweep key again If a setting is changed whilst the spectrum analyzer is still sweeping the single sweep will immediately start over 67 GW INSTEK GSP 930 User Manual Continuous Sweep Description The GSP 930 has two main sweeping modes single and continuous Use the continuous mode to have the sweep constantly updated Operation 1 Press sve gt Sweep Cont F3 to put the spectrum analyzer into continuous sweep mode Display Icon The Sweep Cont icon is displayed on the right hand side of the screen when the sweep is in continuous mode The GSP 930 will now continuously sweep unless Note the mode is changed to single sweep mode or if the system is waiting for a trigger condition Gated Sweep Overview Description The Gated Sweep mode allows a trigger signal to dictate when the spectrum analyzer can sweep This mode is useful for characterizing signals that are pulsed on and off such as RF burst transmissions or for measuring spurious noise levels between transmission bursts Overview 1 The trigger signal must be synchronized to the period of the input signal shown as RF burst below 2 The start of the gate time is produced from the positive or negative edge of the trigg
122. sword Q sum e UVWXY 2 Return dem Return i Menu tree to enter the password The password appears on the bottom of the screen as it is created Password Press to confirm setting the password Reset LAN It may be necessary to reset the LAN configuration settings before the LAN can be used Press GD More 1 2 F7 gt RmtInterface Config F2 gt LAN Reset F3 to reset the LAN The GSP 930 will now automatically reboot N Note 198 Each time the LAN is reset the default password is restored Default password xiWNpwd GW INSTEK REMOTE CONTROL Configure RS232C Background The RS232C interface is used for remote control with a PC RS232C Baud Rate Stop bit 1 fixed Configuration Parity none fixed Data bit 8 fixed settings Connection Connect an RS232C cable from the PC to the rear panel RS232 port 1 Press gt More 1 2 F7 RmtInterface Config gt RS232 BaudRate F4 to set the baud rate 300 600 1200 2400 4800 9600 19200 38400 57600 115200 RS232C Remote Control Function Check Functionality Invoke a terminal application such as MTTTY check Multi Threaded TTY To check the COM port No see the Device Manager in the PC For WinXP Control panel System Hardware tab Run this query command via the terminal after the instrument has been configured for 5232 remote control page 197 idn This should return the Man
123. t for data files File name Type data source XX file extension The image file names will be automatically created in the following format File name QuickJpg XX jpg The XX parameter is incremented each time the same file type is created N The USB and micro SD card options will only be Note available when a flash drive SD card is inserted into the front panel ports 193 GW INSTEK GSP 930 User Manual REMOTE CONTROL This chapter describes basic configuration of 488 2 based remote control For a command list refer to the programming manual downloadable from GW Instek website www gwinstek com Interface Configuration eerte nntknes Configure to USB Remote Interface Configure GPIB Interface sess Configure the LAN and LXI ttt 196 Configure RS232C RS232C Remote Control Function Check eese 199 LXI Browser Interface and Function Check eee 201 194 GW INSTEK REMOTE CONTROL Interface Configuration Configure to USB Remote Interface USB PC side Type A host configuration connector GSP side Rear panel Type B slave connector Speed 1 1 2 0 full speed high speed USB Class USB TMC USB T amp M class Panel operation 1 Connect the USB cable to the rear lt panel USB B port 2 Press gt More 1 2 F7 gt RmtInterface
124. t lines 159 and marker positions 83 21 GW INSTEK GSP 930 User Manual Status Icon Overview PreAmp AC Charge Alarm Off Alarm On Amplitude Offset Battery indicator Bandwidth Indicator Average BB Indicates that the pre amplifier is on Shown when running on AC power Shown when the AC power is charging the battery Alarm buzzer output is currently off Alarm buzzer output is currently on Indicates that the amplitude shift is active This icon appears when amplitude related functions are used Reference level offset Amplitude Correction Input Z 750 Input Z cal gt 0 Indicates the battery charge Indicates that the RBW or VBW settings are in manual mode Indicates that the Average function is active 1 5 GETTING STARTED External Lock External Trigger Math Sequence Indicator Sweep Indicator Tracking generator TG Normalization Wake up clock USB Micro SD Indicates that the system is now locked and refers to the external reference input signal External trigger signal is being used Trace math is being used Shown when a sequence is running Indicates that the sweep time is manually set Indicates the tracking generator is turned on Indicates that the tracking generator has been normalized Indicates that the wake up clock is turned on Indicates that a USB flash drive is inserted into the front panel and
125. t options such as ACPR OCBW demodulation measurements SEM TOI and other advanced measurements Meas Limit Sets and tests Pass Fail limit lines Line Access set and edit program sequences Sequence 14 GW INSTEK GETTING STARTED Te Sets the triggering modes File File File utilities options Quick The Quick Save utility allows you Save to save either the state trace screen limit line correction or sequence with only a single press Save the trace state etc and save options Recall the trace state etc and recall options Marker Turns the Markers on off and configures the markers The Marker gt key positions the markers on the trace Finds each maximum and Sealey minimum peak Used with the Marker function State Preset The Preset key will restore the spectrum analyzer to the Factory LOCAL or User defined settings The Preset key will also return the instrument back to local control after it has been in remote control mode 15 1 5 GSP 930 User Manual The Mode key sets the spectrum analyzer to either Spectrum or Power Meter mode The System key shows system information settings and other system related functions Power key Turns the instrument on off Scroll wheel Edit values select listed items Arrow keys Increment decrement values in steps select listed items RF input terminal RF INPUT 50Q DC 50V
126. t the gt 22 dBm TypicakFc gt 50 MHz Preamp preamp on mixer power level dBm input power dBm attenuation dB Displayed Average Noise Level DANL Preamp off O dB attenuation RBW 10 Hz VBW 10 Hz span 500 Hz reference level 60dBm trace average 240 9 kHz 100 kHz lt 93 dBm 100 kHz to 1 90 dBm 3 x f 100 MHz kHz dB Nominal 1 MHz to 10 MHz lt 122 dBm 10 MHz to 3 GHz lt 122 dBm Preamp 0 dB attenuation RBW 10 Hz VBW 10Hz span 500 Hz reference level 60dBm trace average gt 40 100 kHz to 1 lt 108 dBm 3 x f 100 MHz kHz dB 1 MHz to 10 MHz lt 142 dBm Nominal 10 MHz to 3 GHz lt 145 dBm 3 x f 1 GHz dB Level Display Range Scales Log Linear Units dBm dBmV dBuV V W Marker Level 0 01 dB Log scale Readout 0 01 of reference level Linear scale Level Display Trace Topographic Single split Modes Spectrogram Windows Number of Traces 4 Detector Positive peak negative be setup for each peak sample normal trace separately RMS not Video Trace Functions 242 Clear amp Write Max Min Hold View Blank Average GW INSTEK APPENDIX Absolute Amplitude Accuracy Absolute Point Center 160 MHz RBW 10 kHz VBW 1 kHz span 100 kHz log scale 1 dB div peak detector 20 to 30 signal 0 dBm Preamp off x 0 3 dB Ref level 0 dBm 10 dB RF attenuation P
127. t the Trigger Delay Time page 83 Selecting a Trigger Type Free Run Mode Description In free run mode all signals are captured and the trigger conditions are not used Free Run Mode 1 Press gt Free Run F1 to run in free mode Activate Video Trigger Description Sets the video trigger level for video signals When the video signal voltage level exceeds the video trigger level a trigger signal will be generated for positive video edge 79 GW INSTEK GSP 930 User Manual Parameters Video Edge Determines the polarity of the video trigger Positive The signal voltage exceeds the video level at the trigger frequency Negative The signal voltage is lower than the video level at the trigger frequency Video Level The trigger voltage level Trigger Sets the frequency to start Frequency triggering Operation 1 Press Crew Trigger Condition F2 Video F1 2 Press Video Edge F1 and choose the edge Range Positive Negative 3 Press Video Level F2 and set the video voltage trigger level Trigger level 120dBm to 30dBm Ref Level Offset 4 Press Trigger Freq F3 and choose the frequency at which the spectrum analyzer will check the triggering conditions Frequency 0 3GHz frequency offset Set the trigger back to Free Run to disable the Note video trigger 80 GW INSTEK BASIC OPERATION Activate External Trigger Description The external
128. the correction points are automatically Note sorted by frequency low high The correction set must be saved before it can be turned on The frequency values disp ayed in the correction table are rounded down for display purposes only The actual frequency for each point can be seen in the Frequency soft key Amplitude Correction On Off Description Any one of the 5 correction sets can be turned on Activate 1 Press gt More F7 Correction F3 Correction Correction Set F1 and choose a correction set Correction Set 1 5 2 Press Correction F2 and toggle correction on 54 GW INSTEK BASIC OPERATION Deactivate 1 Press gt More F7 gt Correction F3 gt Correction Correction F2 to turn correction back off Delete Correction Set Operation 1 Press Amite gt More F7 gt Correction F3 gt Correction Set F1 and choose the correction set to delete Correction Set 1 5 2 Press Delete Correction F6 The selected correction set will be deleted Save Correction Set To Memory Operation 1 Press gt Save To F1 and choose the save location Location Register Local USB SD 2 Press Type F2 gt Correction F5 3 Press Data Source F3 and choose a correction Correction Set Correction 1 5 4 Press Save Now F7 5 The correction set will be saved to the selected location For more information on Save and Recall please see page 170 55 GW INST
129. tput ss 244 Power 247 VBW RBW ratio RF amplifier 244 Video out port sssssss Sweep 244 Warning symbol Traciang generator Web server function check201 204 Spectrum emission mask testing144 Status icons sss 22 Compliments of rw n TEST EQUIPMENTI YEARS Email our TM Sales Team www conres com test equipment 253
130. typical 12 dBm to 20 dBm 1 MHz to 3GHz 0 35 dB typical 3 GHz to 6 GHz 0 30 dB typical Linearity 25 3 100 ms for Low Noise Typical Speed Mode 30 ms for Fast Mode 248 GW INSTEK APPENDIX GSP 930 Dimensions Unit mm 249 GW INSTEK GSP 930 User Manual Declaration of Conformity We GOOD WILL INSTRUMENT LTD No 7 1 Jhongsing Rd Tucheng Dist New Taipei City 236 Taiwan GOOD WILL INSTRUMENT SUZHOU CO LTD No 69 Lushan Road Suzhou New District Jiangsu China declare that the below mentioned product Type of Product Spectrum Analyzer Model Number GSP 930 is herewith confirmed to comply with the requirements set out in the Council Directive on the Approximation of the Laws of the Member States relating to the Low Voltage Directive 2006 95 EC and Electromagnetic Compatibility 2004 108 EC For the evaluation regarding the Electromagnetic Compatibility and Low Voltage Directive the following standards were applied EMC EN 61326 1 Electrical equipment for measurement control and EN 61326 2 1 laboratory use EMC requirements 2006
131. uence 1 5 187 INSTEK GSP 930 User Manual For power meter Power meter 1 5 4 For trace data press Format F4 to select the format type to save Trace Save trace data only Trace State Save trace and state data 5 Press Save To F1 and select a destination source Register 1 6 Internal memory registers these internal registers are not part of local memory Local Internal memory USB External memory SD Card External micro SD card 6 After a destination has been selected the file can be named or saved immediately 7 Toname the selected file press Name F5 Name the selected file using the F1 F7 keys as shown below or use the numeric keypad to enter numbers Limitations No spaces Only 1 9 A Z az characters allowed 188 GW INSTEK FILE A B 7 D b FGHIJ E KLMNO Lowercase lt d Name PQRST Return e gt UVWXY 2 Return Return 8 The filename appears on the bottom of the Screen as it is created Filename 9 Press to confirm the naming of the file If the file name is not user defined a default Note naming scheme will be used See the note below for details 10 To save the selected file type press Save Now F3 A message SaveFinish will be displayed at the bottom of the screen when the save is successful
132. ufacturer Model 199 INSTEK GSP 930 User Manual number Serial number and Firmware version in the following format GW INSTEK GSP 930 XXXXXXXXXXXX V X X X X Manufacturer GW INSTEK Model number GSP 930 Serial number XXXXXXXXXXXX Firmware version V X X X For further details please see the programming Note manual available on the GW Instek web site www gwinstek com 200 1 5 REMOTE CONTROL LXI Browser Interface and Function Check Functionality check Enter the IP address of the spectrum analyzer in a web browser after the instrument has been configured and connected to the LAN page 196 http XXX XXX XXX XXX The web browser interface appears Welcome Page The Welcome Page lists all the LXI and LAN configuration settings as well as the instrument identification The instrument identification can be disabled from this page Instrument Welcome Page Identification CON OFF LXIDevice Mode GSP930 Manufacturer GWINSTEK Serial Number 012345678912 Description GWINSTEK GSP930 678912 LXI Class LXI Version 1 3 Fireware Revision T 1 0 0 0 DNS hostname GSP930 678912 mDNS hostname GSP930 678912 local MAC Address 00 0 99 02 5146 Address 172 16 20 78 Instrument Address String TCPIP0 172 16 20 78 inst0 TNSTR N Note The LXI icon in the GSP 930 display will flash when the Identification setting is turned
133. up clock can no longer be set please replace the clock battery See page 206 29 GW INSTEK GSP 930 User Manual Firmware Update Description The GSP 930 allows the firmware to be updated by end users Before using the GSP 930 please check the GW Instek website or ask your local distributor for the latest firmware System version Before updating the firmware please check the firmware version 1 Press Sem gt System Information F1 2 The firmware will be listed on the display 3 Press any other key to exit out of the System Information screen 4 To upgrade the firmware insert the new firmware onto a USB flash drive or Micro SD card and put the drive card into the appropriate front panel port The firmware files should be located in a directory named gsp930 5 Press More 1 2 F7 Upgrade F3 30 GW INSTEK GETTING STARTED 6 The spectrum analyzer will automatically find the firmware on the USB flash drive and start to update the firmware When finished the message Upgrade is finished will be shown at the bottom of the screen followed by Rebooting Rebooting 7 The system will automatically restart after the rebooting message N The upgrade process may take a few minutes Note Restoring Default Settings Description The factory default settings or user defined presets can be easily restored using the Preset key on the front panel By default th
134. us icons settings Reference level Displays the reference level For details see page 46 Attenuation Displays the vertical scale attenuation of the input signal For details see page 47 Date Time Displays the date and time See page 106 for details Marker Displays marker information For details see page information 83 LXI icon This icon indicates the status of the LXI connection For details see page 196 Function menu Soft menu keys associated with the F1 to F7 function keys to the right of the display 20 GW INSTEK GETTING STARTED Sweep settings Sweep icon that shows the sweep status See page 66 for details Trigger settings Trigger icon that shows the trigger status See page 79 details Pre amp settings Pre amplifier icon that shows the Pre amplifier status See from page 48 for details Trace and detection settings Trace icon that shows the trace type and the detection mode used for each trace See from page 72 for details Status Icons Displays the interface status power source status and alarm status etc See the Status Icon Overview on page 22 for a list of the status icons Frequency Displays the Start Center and Stop frequencies Bandwidth RBW VBW Span and Sweep settings settings Entry Message This area is used to show system messages errors area and input values parameters Trace and Main display showing the input signals traces waveforms page 72 limi
135. vely 30dBm Ref level offset or 120dBm Ref level offset 164 GW INSTEK ADVANCED OPERATION Sequence The Sequence function records and plays back user defined macros up to 5 sequences are available in repeat or single running mode each with up to 20 steps Delays and pauses can also be introduced into a sequence to view measurement results during a sequence Sequences can also call other sequences to create longer sequences The sections below can be used to skip to the relevant section e EditSequence from page 165 Run Sequence from page 169 Editing a Sequence Edita Sequence 7 Press gt Sequence F1 and choose a sequence to edit create Sequence 1 5 8 Press Edit F2 gt Start Edit F1 to start editing the selected sequence 9 The display splits into two screens The top screen shows the main screen The bottom screen shows the Sequence Editor with the sequence steps The SSE icon appears in the sequence editor window 165 GW INSTEK GSP 930 User Manual Main display 10 15 30kHz Do Sequence x Sequence Editor window Start Edit Stop Edit icon Add a Step Up to 20 steps can be added to each sequence Each panel operation is recorded as a step After each panel operation is performed press the key to record the step in some cases this is not necessary check if the operation appears in the sequence editor window In the following example the cent
136. way configuration Subnet Mask DNS Server Settings DHCP on off Connection Connect an Ethernet cable from A the network to the rear panel LAN port 196 GW INSTEK REMOTE CONTROL Settings 1 Press gt 1 2 F7 gt RmtInterface gt LAN F2 LAN Config F1 to set the LAN settings Address F1 Sets the IP address Subnet Mask FZ Sets the subnet mask Default Gateway F3 Sets the default gateway DNS Server F4 Sets the DNS server address LAN Config F5 Toggles the LAN configuration between DHCP and manual settings 2 Press Apply F6 to confirm the LAN configuration settings Display Icon The LXI icon turns green when connected to a LAN and will flash if the Identification setting is on see page 201 Set Password The password on the LXI webpage can be set from the spectrum analyzer The password is shown in the system information By default the password is set to lxiWNpwd 1 Press 1 2 F7 gt RmtInterface Config F2 gt LAN F2 gt LXIPassword F2 to set the password 2 Enter the password using the F1 F7 keys as shown below or use the numeric keypad to enter numbers Limitations No spaces Only 1 9 A Z a z characters allowed 197 GW INSTEK GSP 930 User Manual ft A B p B V D b FGHIJ E KLMNO Lowercase lt d is PQRST Ret 1 Pas

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