Agilent Technologies E4400-90326 User's Manual
Contents
1. Another menu is displayed with softkeys that you will use to create the sweep points Notice that the display shows the current list data When no list has been previously created the default is one point set to the signal generator s maximum frequency 135 dBm with a dwell time of 2 ms The points you defined in the step sweep are automatically loaded into the list This softkey menu along with the numeric keypad arrow keys and front panel knob can be used to edit the sweep points in the list For more information about editing sweep points refer to Chapter 2 Using Functions of the ESG Family Signal Generators User s Guide 1 7 Getting Started Creating a Step Sweep and a List Sweep ESG Family Signal Generators Turning On List Sweep for a Single Sweep 1 Press Return 2 Press the Sweep Repeat Single Cont softkey 3 Press the Single Sweep softkey 4 Press the More 1 of 2 and Sweep Trigger softkeys 5 Press the Trigger Key softkey 6 Press the More 2 of 2 and Single Sweep softkeys 7 Press Trigger 1 8 This moves the softkey menu up one level Notice that the Sweep softkey is still setto sweep both frequency and amplitude data This toggles the Sweep Repeat Single Cont softkey from Cont to Single Notice that the SWEEP display annunciator is turned off The signal generator sweeps the points in your list once Notice that the SWEEP display annunciator is turned on d2. Setting the Carrier Frequency 00 c eee eee 1 11 Setting the Power LAVA cio ded c es Werke e reer eri EEEE PELARE TER 1 11 Selecting the Data FOMA erri rsrritsrisrgndi prii nora EENE 1 12 Seting Up TIMES OCO rersrrerarrirr reri rreh otek Ne Oo eee 1 12 Setting Up TIMeSlot T cscs cewsdissieseead dete vawed ives eweeaanie 1 13 Turning On the GSM Format and the Modulation 05 1 14 2 Exploring the User Interface Front PANG scccae dees ad Veda weed eed bs Meee debe CEMENTS eR eee DE 2 2 DPS erari Enner tied ier ede or dans a dew EA wan eded ned eda dandy 2 7 Rear PONG e ccceeeineaa cece de eed eee Red wedle a eke EEG Aw REE RR RE OHS 2 11 Quick Start Guide ESG Family Signal Generators 1 Getting Started This chapter will help you learn how to do the following with your signal generator e create an FM signal generate step and list sweeps e use the save and recall functions e set up a digital modulation in GSM format Option UN8 only Quick Start Guide 1 1 Getting Started The Signal Generator at a Glance ESG Family Signal Generators The Signal Generator at a Glance Refer to the figure and descriptions below as you use the procedures in this chapter For detailed front and rear panel information refer to Chapter 2 Exploring the User Interface qk71b Active Entry Area The current active function is 8 Menu Keys These hardkeys provide access to the shown in this area S
3. EXT2 LO HI EXT REEF FM I Q L MOD OFF OVEN COLD PULSE R Quick Start Guide Display This annunciator appears if the burst envelope modulation is turned on This annunciator is present only on ESG D and ESG DP Series Signal Generators This annunciator appears when an error message is placed in the error queue This annunciator will not turn off until you have either viewed all of the error messages or cleared the error queue You can view and delete error messages using the Utility menu This annunciator toggles between EXT1 LO and EXT1HI This annunciator appears if the AC coupled signal tothe EXT 1 input is less than 0 97 Vpk or greater than 1 03 Vpk This annunciator toggles between EXT2 LO and EXT2 HI This annunciator appears if the AC coupled signal tothe EXT 2 input is less than 0 97 Vpk or greater than 1 03 Vp This annunciator appears when an external 1 2 5 or 10 MHz frequency reference is in use This annunciator appears when frequency modulation is turned on This annunciator appears when Q modulation is turned on This annunciator is present only on ESG D and ESG DP Series Signal Generators TheL annunciator is turned on when the signal generator is in the listen mode and is receiving information or commands over the GPIB or RS 232 This annunciator toggles between MOD OFF and MOD ON and is always visible in the display This annunciator indicates whether the modulations that you have enabled are mod
4. connector is provided only on instruments with Option 1E6 Quick Start Guide ESG Family Signal Generators Exploring the User Interface Display Display The following pages describe the numbered items shown in the figure below Digital Modulaton Annunciators 2 3 LJ UNLOCK EXT REF OVEN COLD r or or E O ERROR 222 Data out of range 1 Frequency Area 2 Amplitude Area 3 Softkey Labels Quick Start Guide The current CW frequency setting is shown in this portion of the display The current output power level setting is shown in this portion of the display These labels define the function of the corresponding softkeys immediately to the right of the label 2 7 Exploring the User Interface Display 2 8 Error Messages Area Text Area Active Entry Area Annunciators om ALC OFF ARMED ATTEN HOLD Digital Modulation Annunciators ESG Family Signal Generators Abbreviated error messages are reported in this space When multiple error messages occur only the most recent message remains displayed All of the reported error messages with details can be viewed by pressing Utility gt Error Info gt View Next Error Message This area is used to display status information about the signal generator such as the modulation status to enter information such as creating sweep lists and to manage information such as displaying the catalog of files and de
5. sets the new power level for the end of the step sweep to 0 dBm This sets the number of points in the step sweep This sets the dwell time for each point in the step sweep Turning On Continuous Step Sweep 1 2 1 6 Press Return Press the Sweep softkey Press the Freq amp Ampl softkey Press the Sweep Repeat Single Cont softkey Press RF On Off This moves the softkey menu up one level Another menu is displayed showing you choices for sweeping either the frequency amplitude or frequency and amplitude data Selecting this softkey returns you to the previous menu and turns the sweep function on This toggles the Sweep Repeat Single Cont softkey from Single to Cont Continuous Notice that the SWEEP display annunciator is turned on indicating that the signal generator is Sweeping Notice that the display annunciator changes from RF OFF to RF ON The swept RF signal is now available at the RF OUTPUT connector Quick Start Guide ESG Family Signal Generators Getting Started Creating a Step Sweep and a List Sweep Configuring a List Sweep Using Step Sweep Data 1 Press the Sweep Type List Step softkey 2 Press the Configure List Sweep softkey 3 Press the following softkeys More 1 of 2 gt Load List From Step Sweep gt Confirm Load From Step Sweep 4 Press the More 2 of 2 softkey Quick Start Guide This toggles the Sweep Type List Step softkey from Step to List
6. 1 Press Preset This sets the signal generator to its factory defined instrument State 2 Press Frequency Frequency becomes the active function and the preset value for frequency is displayed in the active entry area 3 Enter 891 using the numeric The new carrier frequency 891 000 000 00 MHz is keypad and press the MHz shown in both the FREQUENCY area and the active entry area softkey of the display Setting the Power Level 1 Press Amplitude Amplitude becomes the active function and the preset value for amplitude is displayed in the active entry area 2 Enter 5 using the numeric The new power level 5 00 dBm is shown in both the keypad and press the dBm AMPLITUDE area and the active entry area of the display softkey Quick Start Guide 1 11 Getting Started Setting Up a Digital Modulation in the GSM Format Selecting the Data Format 1 Press Mode Then press the following softkeys Real Time I Q Baseband if it appears gt TDMA gt GSM 2 Pressthe Data Format Pattern Framed softkey Setting Up Timeslot 0 1 ObservetheGsM Timeslot Pattern on the display 2 Press the Configure Timeslots softkey and observe the softkey menu 3 Press the Timeslot Type softkey 4 Press the Custom softkey 5 Press the Configure Custom softkey 1 12 ESG Family Signal Generators This selects the GSM communications standard This toggles the Data Format Pattern Framed softkey from Pattern to Framed
7. Interface This chapter provides you with an overview of your signal generator s user interfaces e front panel hardkeys and connectors display fields and annotations rear panel connectors Quick Start Guide 2 1 Exploring the User Interface ESG Family Signal Generators Front Panel Front Panel The following pages describe the numbered items shown in the figure below 5 A o a80 000 D 6 6 O qk78b 2 2 Quick Start Guide ESG Family Signal Generators Exploring the User Interface 1 EXT LINPUT 2 EXT 2INPUT 3 Help 4 Trigger 5 LF OUTPUT 6 Mod On Off 7 RF OUTPUT 8 RF On Off 9 Numeric Keypad 10 Arrow Keys Quick Start Guide Front Panel This female BNC input connector accepts a 1 V signal for FM M and AM This female BNC input connector accepts a 1 Vpk signal for FM M AM and pulse modulation Press this hardkey for a short textual description of the function of the front panel hardkeys and softkeys Press this key again and you will be returned to normal instrument operation Press this hardkey to begin an event such as a step or list sweep This key must first be selected as the method for activating an event by pressing the Trigger Key softkey located in the softkey menus associated with the event This female BNC connector is the output connector for modulation signals generated by the LF low frequency source function gen
8. M Dev softkey You should see 75 0000 kHz inthe second line of the softkey label FM rate becomes the active function and the preset value for FM rate is displayed in the active entry area The new FM rate is displayed below the FM Rate softkey You should see 10 0000 kHz in the second line of the softkey label Turning On Frequency Modulation The signal generator is now configured to output a 0 dBm frequency modulated carrier at 104 9 MHz with the FM deviation set to 75 kHz and the FM rate set to 10 kHz The shape of the waveform is a sinewave NOTE Sineis the default selection for the FM Waveform softkey Press More 1 of 2 tosee the softkey Follow these remaining steps to output the frequency modulated signal 1 Press the FM Off On softkey 2 Press RF On Off 1 4 FM toggles from Off to On Notice also that the Fm display annunciator is turned on indicating that you have enabled frequency modulation Notice that the display annunciator changes from RF OFF to RF ON The modulated signal is now available at the RF OUTPUT connector Quick Start Guide ESG Family Signal Generators Getting Started Creating a Step Sweep and a List Sweep Creating a Step Sweep and a List Sweep This section will show you two ways to set up the signal generator to sweep a defined set of points You will create a ten point step sweep with the settings listed below then use these points as the basis for a new list sweep
9. Quick Start Guide Agilent Technologies ESG Family Signal Generators Serial Number Prefixes Affix Label H ere opie Agilent Technologies Part No E4400 90326 Printed in USA October 2000 Supersedes April 2000 Copyright 1999 2000 Agilent Technologies Contents L Getting Started The Signal Generator at a Glance 6 cette eens 1 2 Creatingan FM Sigal ic cccccegsaveteaaeeae ewdae eyed ween Kianga 1 3 Setting the Carrier Frequency cs ce dsa ates en eden reed onda aandes 1 3 Setting the Power Level is cess seen eyeua eee vaweaee eee ewe ea awee 1 3 Setting the FM Deviation cscs cs da eee ened one Re sawed ORE eee 1 4 Setting the FM Rate ccs cvewsa dette ewea dew eee awed Pewee ewe ea Ti 1 4 Turning On Frequency Modulation 4400505 0c0e0 erae ee den ed oo veo 1 4 Creating a Step Sweep and a List Sweep 1 cee ees 1 5 Configuringa Step SWED cc sa esha ee aw red Sd Sea eee wed 1 5 Turning On Continuous Step Sweep 6 0 2 eee 1 6 Configuring a List Sweep Using Step Sweep Data 1 7 Turning On List Sweep for a Single Sweep 0 0 00 eee eee 1 8 Saving and Recalling an Instrument State 00 0000 cee eee 1 9 Creating an Instrument State 0 0 0 ccc eee eens 1 9 Savingan Instrument State ses ccs dace sen cde ane ada Ennek wade 1 10 Recalling an Instrument State 2 02 ccinedsieeedayeaaeeenewevaasax 1 10 Setting Up a Digital Modulation in the GSM Format 00005 1 11
10. When you select Framed for bursting the frame envelope you will be transmitting framed data This means that you will be bursting the timeslots that you have activated and there will be no RF carrier during the off timeslots Notice that Configure Timeslots has become an active softkey Notice that the preset condition for timeslot 0 has the timeslot turned on and configured as a Normal channel The Timeslot softkey shows that timeslot 0 is selected as the active timeslot The Timeslot Off On softkey shows that timeslot 0 is turned on Finally the Timeslot Type softkey shows that timeslot 0 is configured as a Normal channel Another menu of softkeys is displayed This changes the timeslot type to Custom timeslot and automatically returns you to the previous softkey menu Notice that the Timeslot Type softkey has changed from Normal to Custom Also notice that the display shows timeslot 0 configured as a Custom timeslot Another menu is displayed showing you data choices for the timeslot s transmission Notice that the display has changed showing you a visual representation of the timeslot Directly below the visual representation of the timeslot you should see Data PN9 PNQ is the default timeslot transmission data Quick Start Guide ESG Family Signal Generators 6 7 Press the FIX4 softkey Enter 1010 using the numeric keypad and press the Enter softkey Setting Up Timeslot 7 1 2 Press Return Pr
11. d hold it down to cause the display background to brighten in comparison to the text on the display Press this key to return the signal generator to local front panel control from remote operation Press this key to set the signal generator to a known state either the factory defined state or a user defined state This yellow LED lights when the instrument is in standby condition In standby the power switch is off but the instrument is still connected to the main power circuit by way of the power cord This green LED lights when power is cycled on to the signal generator Press this hardkey to turn power to the signal generator either on green LED on or to standby yellow LED on This connector accepts an externally supplied analog quadrature phase component of Q modulation This female BNC connector is provided only on ESG D and ESG DP Series Signal Generators This connector accepts an externally supplied analog in phase component of 1 Q modulation This female BNC connector is provided only on ESG D and ESG DP Series Signal Generators Quick Start Guide ESG Family Signal Generators Exploring the User Interface 21 22 23 24 25 26 27 28 29 Display Hold Softkeys Knob Amplitude Frequency Save Menu Keys Incr Set Quick Start Guide Front Panel TheLCD display provides information on the current instrument state such as modulation status frequency and am
12. dBm is shown in both the keypad and press the dBm AMPLITUDE area and the active entry area of the display softkey 6 Press AM followed by the AM toggles from Off to On Notice also that the Am display AM Off On softkey annunciator is turned on indicating that you have enabled amplitude modulation You have now created an example instrument state that you will save and recall Quick Start Guide 1 9 Getting Started Saving and Recalling an Instrument State Saving an Instrument State 1 Press Save followed by the Select Seq softkey 2 Enter 1 using the numeric keypad and press the Enter softkey 3 Press the Select Reg softkey 4 Enter 1 using the numeric keypad and press the Select Reg softkey 5 Press the SAVE Seq 1 Reg 01 softkey Recalling an Instrument State 1 Press Preset 2 Press Recall 3 Press the RECALL Reg softkey 4 Enter 1 using the numeric keypad and press the Enter softkey 1 10 ESG Family Signal Generators The sequence number becomes the active function The signal generator displays the last sequence that you have used This sets the sequence number to 1 You can also use the arrow keys to enter the sequence number The register number in sequence 1 becomes the active function The signal generator either displays the last register used accompanied by the text in use Jor if no registers are in use displays register 00 accompanied by the text available Thi
13. e BER TEST OUT connector outputs a signal that indicates the test result of the pass fail judgement of the bit error rate measurements This female SMB connector is present only on instruments with Option UN 7 The output of the BER ERR OUT connector is normally low When the maximum data rate mode is set to 2 Mbps the BER ERR OUT connector outputs pulse signals that indicate errors This female SMB connector is present only on instruments with Option UN7 The BER NO DATA connector outputs a signal that indicates the no data status The no data status is reported when there has been no clock input for more than 3 seconds or there has been no data change for more than 200 bits This female SMB connector is present only on instruments with Option UN7 The BER SYNC LOSS connector outputs a signal that indicates the synchronization loss state This female SMB connector is present only on instruments with Option UN7 Quick Start Guide ESG Family Signal Generators Exploring the User Interface 26 BER DATAIN 27 BER CLK IN 28 BER GATE IN 29 321 4 MHz IN Quick Start Guide Rear Panel Use this connector to input the data streams for the bit error rate measurements This female BNC connector is present only on instruments with Option UN 7 Use this connector to input the clock signal for the bit error rate measurements This female BNC connector is present only on instruments with Option UN 7 Use this connector to inp
14. e frequency range from 525 MHz to 600 MHz e power level from 20 dBm to 0 dBm e dwell time 500 ms at each point Configuring a Step Sweep 1 Press Preset This sets the signal generator to its factory defined instrument State 2 Press Sweep List The first level of sweep softkeys is displayed Press the Sweep Type List Step softkey Press the Configure Step Sweep softkey Press the Freq Start softkey Enter 525 using the numeric keypad and press the MHz softkey Press the Freq Stop softkey Enter 600 using the numeric keypad and press the MHz softkey Press the Ampl Start softkey Enter 20 using the numeric keypad and press the dBm softkey Quick Start Guide This toggles the Sweep Type List Step softkey from List to Step Another menu is displayed with softkeys that you will use to create the sweep points This sets the new start frequency for the step sweep to 525 MHz This sets the new stop frequency for the step sweep to 600 MHz This sets the power level for the start of the step sweep to 20 dBm 1 5 Getting Started Creating a Step Sweep and a List Sweep 10 Press the Ampl Stop softkey Enter 0 using the numeric keypad and press the dBm softkey Press the Points softkey Enter 10 by rotating the front panel knob until the number 10 is displayed Press the Step Dwell softkey Enter 500 using the numeric keypad and pressing the msec softkey ESG Family Signal Generators This
15. erator This hardkey toggles all modulation signals on and off This female Type N connector is the output connector for RF signals This hardkey toggles the RF signal on and off at the RF OUTPUT connector The numeric keypad consists of the digit keys 0 through 9 a decimal point key and a backspace key The backspace key has dual functions for both backspacing and changing the sign of a value between positive and negative Use these keys whenever the active function requires a value input The up and down arrow keys increase or decrease a numeric value You can also use these keys to scroll through displayed lists to select items The left and right arrow keys choose the highlighted digit in the active entry area of the display that digit can be modified by the up and down arrow keys or the knob You can also use these keys in a list to select items in a row 2 3 Exploring the User Interface Front Panel 11 12 14 15 16 17 18 19 20 2 4 Return Display Contrast Decrease Display Contrast Increase Local Preset Standby LED Line Power LED Power Switch Q INPUT I INPUT ESG Family Signal Generators The Return key cancels the current active function and moves you from your current softkey menu to the softkey menu that precedes it Press this key and hold it down to cause the display background to darken in comparison to the text on the display Press this key an
16. ess the Timeslot softkey Then enter 7 using the numeric keypad and press the Enter softkey Press the Timeslot Off On softkey Press the Timeslot Type softkey Press the Normal softkey Press the Configure Normal softkey Press the following softkeys E gt Other Patterns gt 4 1 s amp 40 s Quick Start Guide Getting Started Setting Up a Digital Modulation in the GSM Format This changes the transmitted data to a fixed 4 bit repeating sequence The default 4 bit repeating sequence of 0000 is shown in the active entry area of the display This changes the pattern from 0000 to 1010 Directly below the visual representation of the timeslot you should see Data 1010 This moves the softkey menu up one level This selects timeslot 7 as the active timeslot You can also use the arrow keys to select the timeslots The current active timeslot 7 is displayed in the active entry area This toggles the Timeslot Off On softkey from Off to On Notice that the display now shows that timeslot 7 is turned on Another menu of softkeys is displayed This changes the timeslot type to a Normal timeslot and automatically returns you to the previous softkey menu Notice that the Timeslot Type softkey has changed from Custom to Normal Also notice that the display shows timeslot 7 configured as a Normal timeslot Another menu of softkeys is displayed allowing you to change the E S and TS fields for the Normal time
17. gle pattern output or to stop and re synchronize a pattern that is being continuously output With Option UND this input is the external trigger source for all ARB waveform generator triggers With Option 201 this connector is used for system reset trigger input The BURST GATE IN connector accepts a TTL or CMOS signal for gating burst power in digital modulation applications This female BNC connector is present only on instruments with Options UND or UN8 With Option 201 this connector is used for even second synchronization input This connector outputs RF that is not modulated with AM pulse or 1 Q modulation but that is modulated with FM or M This SMA connector is present only on ESG D and ESG DP Series Signal Generators This BNC connector accepts a CMOS signal for synchronization of external data and alternate power signal timing This connector is active only with Options UNA or 201 With Option 201 this connector is used for Long Code State Latch strobe input With Option UN8 turned on this TTL CMOS compatible connector outputs a pulse that can be used to trigger the start of a data pattern frame or timeslot With Option UN5 turned on an even second output is generated every two seconds indicating the beginning of each short code sequence With Option UND turned on a marker is output whenever a Marker 1 is turned on in the waveform With Option 201 you can select from several different output signals for this connector Thi
18. ignal generator s primary functionality Annunciators These display annunciators show 9 RF Output Connector This female Type N the status of various signal generator functions connector is the output connector for RF signals Frequency Area The current CW frequency is 10 Numeric Keypad The numeric keypad consists of shown in this portion of the display digit decimal point and backspace keys The Amplitude Area The current output power level is e er tetee a130 be Used Ao change MESIgN shown in this portion of the display i Softkey Labels The softkey labels define the 11 Arrow Keys The up and down arrow keys increase i or decrease numeric values The left and right functions of the corresponding softkeys immediately arrow keve move the cursor to the right of the labels y i Softkeys Pressing a softkey activates the function did asec ita Igme whem ihe indicated by the label on the display directly to the y left of the softkey 13 Line Power LED This green LED lights when Knob The knob is used to increase or decrease a Power eyelet on numeric value 14 Power Switch Pressing this hardkey toggles the power between on and standby Quick Start Guide ESG Family Signal Generators Getting Started Creating an FM Signal Creating an FM Signal This procedure will show you how to configure the signal generator to output a frequency modulated signal with the following characteristics e carrier frequency set
19. leting unwanted files The current active function is shown in this area For example if frequency is the active function the current setting will be displayed in the active entry area and that setting will change as you enter a new value The display annunciators show the status of some of the signal generator functions and indicate error conditions of the instrument The following annunciators are available This annunciator appears when phase modulation is turned on This annunciator appears when the automatic leveling control ALC circuit is disabled This annunciator appears when amplitude modulation is turned on This annunciator appears when a sweep has been initiated and the signal generator is waiting for the sweep trigger event This annunciator appears when the attenuator hold function is turned on When this function is on the attenuator is frozen at its current setting This annunciator appears whenever the Option UN7 bit error rate test BERT or Option 300 base station BERT extension functions are turned on An annunciator appears here when a digital modulation is on The exact annunciator depends on the modulation type and is documented in the manual that addresses that modulation Only one modulation con be on at a time so sharing an annunciator location is not a problem Quick Start Guide ESG Family Signal Generators Exploring the User Interface ENVLP ERR EXT1 LO HI
20. nt size for that function With increment size selected you can change the current increment value 2 5 Exploring the User Interface Front Panel 30 31 32 33 34 2 6 Recall DATA Input DATA CLOCK Input SYMBOL SYNC Input PULSE IN ESG Family Signal Generators This hardkey lets you restore any instrument state that you previously saved in a memory register You can save up to 100 different instrument states in a combination of 100 memory registers and 10 register sequences The number of states you can save however is limited by the size of whatever elseis stored in the file system The TTL CMOS compatible DATA connector accepts an externally supplied data input for digital modulation applications This female BNC connector is provided only on instruments with Option UN8 The TTL CMOS compatible DATA CLOCK connector accepts an externally supplied data clock input for digital modulation applications This female BNC connector is provided only on instruments with Option UN8 The CMOS compatible SYMBOL SYNC connector accepts the digital modulation symbol synchronization signal from an external source This female BNC connector is provided only on instruments with Option UN8 This connector accepts an externally supplied TT L compatible pulse signal The pulse signal is activated with the Fast Pulse Off On softkey or via SCPI command The maximum input for this connector is 15 volts This female BNC
21. pattern generator This female BNC connector is present only on instruments with Options UND or UN8 With Option 201 you can select from several different output signals for this connector 8 TRIGGER OUT This female BNC connector outputs a TTL signal that is asserted high at the start of a dwell sequence or at the start of waiting for the point trigger in manual sweep mode and low when the dwell is over or when the point trigger is received or once per sweep during an LF sweep 9 TRIGGERIN This female BNC connector accepts a TTL signal for triggering such as point to point in manual sweep mode or an LF sweep in external sweep mode 10 10MHzIN This female BNC connector accepts a 3 5 to 20 dBm signal from an external timebase reference that is within 10 ppm standard timebase or 1 ppm high stability timebase 11 10MHz OUT This female BNC connector provides a nominal signal level of 7 dBm 2 dB and an output impedance of 509 The accuracy is determined by the timebase used 2 12 Quick Start Guide ESG Family Signal Generators 12 14 15 16 17 PATTERN TRIG IN BURST GATE COHERENT CARRIER OUT ALT PWR IN EVENT 1 EVENT 2 Quick Start Guide Exploring the User Interface Rear Panel This input can accept either aTTL CMOS low to TTL CMOS high or TTL CMOS high to TTL CMOS low edge trigger With Option UN8 this input triggers theinternal digital modulation pattern generator to start a sin
22. plitude settings status indicators and error messages Softkey labels corresponding to their adjacent keys are located on the right hand side of the display Press this hardkey to deactivate the currently active function and blank the softkey menu Once Hold is pressed the front panel knob the arrow keys and the numeric keypad have no effect To return to normal operation press a function or menu hardkey Press a softkey to activate the function indicated by the corresponding label on the display The knob increases or decreases a numeric value Any of the values that can be set through the numeric keypad or the step keys can also be set with the knob Press this hardkey to activate the power level amplitude function so that you can change the amplitude of the RF output Press this hardkey to activate the frequency function so that you can change the frequency of the RF output This hardkey lets you save up to 100 different instrument states in a combination of 100 memory registers and 10 register sequences The number of states you can save however is limited by the size of whatever else is stored in the file system These hardkeys provide access to the signal generator s primary functionality Press these keys for access to softkey menus where you can configure modulations step and list sweeps and various frequency and power capabilities Press this hardkey to toggle between the current active function and the increme
23. s TTL CMOS compatible connector outputs a data enable signal for gating external equipment With Option UN5 turned on a marker is output every 26 67 ms corresponding to the start of each short code With Option UND turned on a marker is output whenever a Marker 2 is turned on in the waveform With Option 201 this connector is used for system reset output 2 13 Exploring the User Interface Rear Panel 18 19 20 21 22 23 24 25 2 14 BASEBAND GEN REF IN I OUT Q OUT BER MEAS END BER TEST OUT BER ERR OUT BER NO DATA BER SYNC LOSS ESG Family Signal Generators With Option U N8 enabled the BASEBAND GEN REF IN connector accepts a 0 to 20 dBm sinewave or TTL squarewave signal from an external 13 M Hz timebase reference This female BNC connector is present only on instruments with Options UND or UN8 Thel OUT connector outputs the analog in phase component of 1 Q modulation from the internal baseband generator This female BNC connector is present only on instruments with Options UND or UN8 The Q OUT connector outputs the analog quadrature phase component of Q modulation from the internal baseband generator This female BNC connector is present only on instruments with Options UND or UN8 The BER MEAS END connector outputs a signal that indicates the status of the bit error rate BER measurements This female SMB connector is present only on instruments with Option UN 7 Th
24. s selects register 01 You can also use the arrow keys to select the register number The current instrument settings including the frequency amplitude and modulation changes you made have been stored in the signal generator memory This sets the signal generator to its factory defined instrument State Notice that the Select Seq softkey shows sequence 1 This is the last sequence that you used You do notneed to change the sequence The register to be recalled in sequence 1 becomes the active function Notice that your stored instrument settings have been immediately recalled You can also use the arrow keys to select the register number Quick Start Guide ESG Family Signal Generators Getting Started Setting Up a Digital Modulation in the GSM Format Setting Up a Digital Modulation in the GSM Format NOTE You must have an ESG D or ESG DP Series Signal Generator with Option UN8 to perform this procedure Using this procedure you will set up the signal generator to output a GMSK digitally modulated signal in the GSM format with the following characteristics e carrier frequency set to 891 MHz e power level set to 5 dBm e timeslot 0 activated and configured as a Custom channel e a fixed 4 bit repeating sequence selected as the data pattern for timeslot 0 e timeslot 7 activated and configured as a Normal channel e Aones and 4 zeros selected as the data pattern for timeslot 7 Setting the Carrier Frequency
25. s with compatible devices such as external controllers It is functionally equivalent to the AUXILIARY INTERFACE connector 3 SYMBOLSYNC TheTTL CMOS compatible SYMBOL SYNC OUT connector OUT outputs a symbol synchronization pulse one data clock period wide for use in digital modulation applications This female BNC connector is present only on instruments with Options UND or UN8 With Option 201 you can select from several different output signals for this connector Quick Start Guide 2 11 Exploring the User Interface ESG Family Signal Generators Rear Panel 4 AUXILIARY This male DB 9 connector is an RS 232 serial port that can be used INTERFACE for controlling the signal generator remotely It is functionally equivalent to the GPIB connector 5 DATACLKOUT TheTTL CMOS compatible DATA CLK OUT connector outputs a clock signal for digital modulation data This female BNC connector is present only on instruments with Options UND or UN8 With Option 201 you can select from several different output signals for this connector 6 SWEEP OUT This female BNC connector provides a voltage range of 0 to 10 V When the signal generator is sweeping the SWEEP OUT signal ranges from 0 V at the beginning of the sweep to 10 V at the end of the sweep regardless of the sweep width 7 DATA OUT The TTL CMOS compatible DATA OUT connector outputs digital modulation data sourced from an externally supplied signal at the DATA input or from the internal
26. slot This fills the E field with a repeating sequence of four 1 s followed by four 0 s Directly below the visual representation of the timeslot you should see E P4 1 13 Getting Started ESG Family Signal Generators Setting Up a Digital Modulation in the GSM Format Turning On the GSM Format and the Modulation The signal generator is now configured to burst two uplink timeslots with a 5 0 dBm GMSK digitally modulated carrier at 891 MHz Follow these remaining steps to output the framed data 1 Press Return twice 2 Press the GSM Off On softkey 3 Press RF On Off 1 14 This moves the softkey menu up two levels The first GSM softkey menu should be displayed The first softkey in this menu is GSM Off On This toggles the GSM Off On softkey from Off to On At this time the internal baseband generator generates the internal data patterns that you have configured for timeslots 0 and 7 A message is displayed while this process is taking place Notice also that the following display annunciators are turned on GSM indicates that you have enabled the GSM standard 1 Q indicates that 1 Q modulation is being generated ENVLP indicates that burst is activated for transmitting framed data Notice that the display annunciator changes from RF OFF to RF ON The modulated signal is now available at the RF OUTPUT connector Quick Start Guide ESG Family Signal Generators 2 Exploring the User
27. to 104 9 MHz e power level set to 0 dBm e FM deviation set to 75 kHz e FM rateset to 10 kHz Setting the Carrier Frequency 1 Press Preset This sets the signal generator to its factory defined instrument State 2 Press Frequency Frequency becomes the active function and the preset value for frequency is displayed in the active entry area 3 Enter 104 9 using the numeric The new carrier frequency 104 900 000 00 MHz is keypad and press the MHz shown in both the FREQUENCY area and the active entry area softkey of the display Setting the Power Level 1 Press Amplitude Amplitude becomes the active function and the preset value for amplitude is displayed in the active entry area 2 Enter 0 using the numeric The new power level 0 00 dBm is shown in both the keypad and press the dBm AMPLITUDE area and the active entry area of the display softkey Quick Start Guide 1 3 Getting Started Creating an FM Signal Setting the FM Deviation 1 Press FM oM 2 Press the FM Dev softkey 3 Enter 75 using the numeric keypad and press the kHz softkey Setting the FM Rate 1 Press the FM Rate softkey 2 Enter 10 using the numeric keypad and press the kHz softkey ESG Family Signal Generators The first level menu of FM softkeys is displayed FM deviation becomes the active function and the preset value for FM deviation is displayed in the active entry area The new FM deviation is displayed below the F
28. ulating the RF carrier This annunciator appears when the temperature of the internal ovenized reference oscillator ESG AP ESG DP and Option 1E5 has dropped below an acceptable level This annunciator appears when pulse modulation is turned on TheR annunciator appears when the signal generator is in remote GPIB operation 2 9 Exploring the User Interface ESG Family Signal Generators Display RF OFF This annunciator toggles between RF OFF and RF ON andis always visible in the display This annunciator indicates whether the RF signal is present at the RF OUTPUT connector S TheS annunciator appears when the signal generator has generated a service request SRQ over the GPIB SWEEP This annunciator appears when the signal generator is sweeping in list or step mode T TheT annunciator appears when the signal generator is in the talk mode and is transmitting information over the GPIB or RS 232 2 10 Quick Start Guide ESG Family Signal Generators Exploring the User Interface Rear Panel Rear Panel The following pages describe the numbered items shown in the figure below CDE CI 1405 CVEATDEDENIDGD 2D O B C So ns ne ee ee ee ae Ho r Aer e Ppp abbas OF LATTER A eS O e GDG AOOO OOO qk76b 1 AC Power The power cord receptacle accepts a three pronged cable that is Receptacle shipped with the instrument The line voltage is connected here 2 GPIB The GPIB connector allows communication
29. uring the sweep A menu is displayed showing you choices for triggering a sweep Notice that you had used the default setting Immediate when you triggered the single sweep in the previous step This sets Sweep Trigger to Trigger Key and returns you to the previous softkey menu This arms the sweep so that itis ready for triggering Notice that the ARMED display annunciator is now turned on The signal generator sweeps the points in your list once and the SWEEP display annunciator appears during the sweep Quick Start Guide ESG Family Signal Generators Getting Started Saving and Recalling an Instrument State Saving and Recalling an Instrument State Using this procedure you will learn how to save instrument settings to a memory register and to recall the settings Creating an Instrument State 1 Press Preset This sets the signal generator to its factory defined instrument State 2 Press Frequency Frequency becomes the active function and the preset value for frequency is displayed in the active entry area 3 Enter 800 using the numeric The new carrier frequency 800 000 000 00 MHz is keypad and press the MHz shown in both the FREQUENCY area and the active entry area softkey of the display 4 Press Amplitude Amplitude becomes the active function and the preset value for amplitude is displayed in the active entry area 5 Enter 0 using the numeric The new power level 0 00
30. ut the clock gate signal for the bit error rate measurements The connector can be enabled or disabled by a softkey or an GPIB command This female BNC connector is present only on instruments with Option UN 7 Usethis connector to input a downconverted 321 4 MHz GSM signal for base transceiver station BTS loopback measurements This female SMB connector is present only on instruments with Option 300 2 15
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