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Configuring
the Front
Panel

Configuring the front panel of the signal generator
involves adjusting the intensity level of the data dis-
play for ease of viewing.

To go to the Configure Front Panel menu from the
System Configuration menu, press

Front Panel

The Configure Front Panel Menu (below) is dis-
played.

Press

Brite

(repeatedly) to increase the intensity of

the data display to the desired level.

Press

Dim

(repeatedly) to decrease the intensity of

the data display.

Press

Previous Menu

to return to the System Con-

figuration Menu display.

681XXC OM

3-81

LOCAL (FRONT

SYSTEM

PANEL) OPERATION

CONFIGURATION

Содержание 680XXC

Страница 2: ...ation or misuse or operation outside of the environmental specifi cations of the product No other warranty is expressed or implied and the remedies provided herein are the Buyer s sole and exclusive r...

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Страница 4: ...formed properly Do not proceed beyond a WARNING notice until the indicated condi tions are fully understood and met CAUTION CAUTION indicates a hazard It calls attention to a procedure which if not pe...

Страница 5: ...receiving a severe or fatal electric shock WARNING For Safety Before changing the fuse always remove the power cord from the power outlet There is the risk of receiving a fatal electric shock if the f...

Страница 6: ...IPMENT 1 8 Chapter 2 Installation 2 1 INTRODUCTION 2 3 2 2 INITIAL INSPECTION 2 3 2 3 PREPARATION FOR USE 2 4 Power Requirements 2 4 Line Voltage Selection 2 4 Power Connection 2 4 Standby Operation 2...

Страница 7: ...ion 3 14 Self Testing the 681XXC 3 15 Resetting to Default Parameters 3 15 3 10 POWER LEVEL SWEEP OPERATION 3 53 Selecting CW Power Sweep Mode 3 53 Setting CW Power Sweep Step Size and Dwell Time3 54...

Страница 8: ...tups 3 89 Recalling Setups 3 89 Erasing Stored Setups 3 90 3 15 SECURE OPERATION 3 91 3 16 REFERENCE OSCILLATOR CALIBRATION 3 92 Chapter 4 Local Operation Menu Maps 4 1 INTRODUCTION 4 3 4 2 MENU MAP D...

Страница 9: ...N 7 3 7 2 MASTER SLAVE OPERATION 7 4 Connecting the Instruments 7 4 Initiating Master Slave Operation 7 5 Master Slave Operation 7 7 Master Slave Operation in VNA Mode 7 7 Terminating Master Slave Ope...

Страница 10: ...Appendix A Rear Panel Connectors A 1 INTRODUCTION A 1 A 2 REAR PANEL CONNECTORS A 1 A 3 CONNECTOR PINOUT DIAGRAMS A 1 Appendix B Performance Specifications 681XXC OM v vi Table of Contents Continued...

Страница 11: ...Table of Contents Continued...

Страница 12: ...1 3 1 4 IDENTIFICATION NUMBER 1 5 1 5 ELECTRONIC MANUAL 1 5 1 6 RELATED MANUALS 1 5 GPIB Programming Manual 1 5 SCPI Programming Manual 1 5 Maintenance Manual 1 6 1 7 OPTIONS 1 6 1 8 PERFORMANCE SPECI...

Страница 13: ...Figure 1 1 Series 681XXC Synthesized Signal Generator...

Страница 14: ...manuals op tions and performance specifications A listing of recommended test equipment is also provided 1 3 DESCRIPTION The Series 681XXC Synthesized Signal Generators are microproces sor based synt...

Страница 15: ...Available 68197C 0 01 2 0 GHz 2 0 20 0 GHz 20 0 40 0 GHz 40 0 50 0 GHz 50 0 65 0 GHz 11 0 dBm 10 0 dBm 2 5 dBm 0 0 dBm 2 0 dBm Not Available Not Available With Option 15A High Power Installed 68117C 0...

Страница 16: ...s one of a four manual set that consists of an Operation Manual a GPIB Programming Manual a SCPI Programming Manual and a Maintenance Manual GPIB Pro gramming Manual This manual provides information f...

Страница 17: ...ont panel or via GPIB Rated RF output power is reduced Option 2C 90 dB Step Attenuator Adds a 10 dB per step attenuator with a 90 dB range for models having a high end fre quency of 50 GHz Output powe...

Страница 18: ...ront panel display or keyboard control are not needed Option 18 mmWave Module Bias Output Provides bias output for 54000 xWRxx Millimeter Wave Source Modules BNC Twinax connector rear panel Option 19...

Страница 19: ...er External Time Base Input EIP Microwave Inc Models 538B 548B or 578B with Cable Kit Option 590 and External Mixer Option 91 26 5 to 40 GHz Option 92 40 to 60 GHz Option 93 60 to 90 GHz Power Meter w...

Страница 20: ...ent 2 6 2 4 GPIB SETUP AND INTERCONNECTION 2 7 Interface Connector 2 7 Cable Length Restrictions 2 7 GPIB Interconnection 2 7 Setting the GPIB Address 2 7 Selecting the Line Terminator 2 9 Selecting t...

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Страница 22: ...ment have been checked against the packing list and the signal gen erator has been checked for mechanical and electrical operation If the shipment is incomplete or if the signal generator is damaged m...

Страница 23: ...etting is in correct for the line voltage available change it to the correct setting Whenever the selector setting is changed the line fuse must be changed to the correct value for the line voltage se...

Страница 24: ...ng temperature On the front panel press LINE to switch the 681XXC from OPERATE green LED on to STANDBY orange LED on NOTE During standby operation the fan runs continuously 681XXC OM 2 5 PREPARATION I...

Страница 25: ...e following environmental limits q Temperature 0 C to 50 C q Humidity 5 to 95 relative at 40 C q Altitude up to 4600 meters q Cooling Internal cooling is provided by forced airflow from the fan mounte...

Страница 26: ...able length between all instruments is too long the data and control lines cannot be driven properly and the system may fail to perform Cable length restric tions are as follows q No more than 15 inst...

Страница 27: ...layed Press the menu soft key GPIB Address to change the current GPIB address of the signal generator Enter a new address using the cursor control key or the data entry keypad and the terminator key H...

Страница 28: ...ators can be remotely operated via the GPIB using one of two external interface languages Native or SCPI Op tion 19 The Native interface language uses a set of 681XXC GPIB Product Specific commands to...

Страница 29: ...hardware as follows Step 1 Using a Phillips screwdriver remove the screws and the front handle assemblies from the instrument For instruments not having front handles remove the screws and the front t...

Страница 30: ...into the metric tapped holes in the side of the instrument Step 8 Insert the two SAE threaded screws re moved from the feet through the 90 tabs on the rear of the slide assembly and into the rear pane...

Страница 31: ...gh the 90 tabs on the rear of the slide assembly and into the rear panel of the instrument Step 14 Using the Phillips screwdriver tighten all screws holding the right side slide assem bly to the instr...

Страница 32: ...e two options is possible instructions for packaging and shipment are given below Use a Suitable Container Obtain a corrugated cardboard carton with a 125 kg test strength This carton should have insi...

Страница 33: ...Africa Telephone 011 27 11 787 7200 FAX 011 27 11 787 0446 AUSTRALIA ANRITSU PTY LTD Unit 3 170 Foster Road Mt Waverley VIC 3149 Australia Telephone 03 9558 8177 FAX 03 9558 8255 ISRAEL TECH CENT LTD...

Страница 34: ...A 3 8 Menu Display Format 3 9 Menu Keys 3 10 3 4 DATA ENTRY AREA 3 12 3 5 INSTRUMENT START UP 3 14 Powering Up the 681XXC 3 14 Start Up Display 3 14 Standby Operation 3 14 Self Testing the 681XXC 3 15...

Страница 35: ...g a Power Level 3 35 Frequency Markers 3 36 Selecting Alternate Sweep Mode 3 38 List Sweep Mode 3 41 Selecting List Sweep Mode 3 42 Editing the List 3 43 Selecting a List Sweep Range 3 46 Selecting a...

Страница 36: ...g Frequency Modulation 3 75 Square Wave Modulation Operating Modes 3 77 Providing Square Wave Modulation 3 77 3 13 SYSTEM CONFIGURATION 3 80 Configuring the Front Panel 3 81 Configuring the Rear Panel...

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Страница 38: ...panel data display area and data entry area that identify and describe all front panel controls inputs and outputs q An annotated diagram of the menu display format showing where the current frequency...

Страница 39: ...quency and power level parameters and the modulation status Menu Keys Menu keys provide for selecting the operating mode parameters and configuration of the signal genera tor 3 6 681XXC OM L i n e R F...

Страница 40: ...s The front panel has both input and output connec tors Modulation Connectors The modulation connectors provide for applying ex ternal AM FM or Square Wave modulation to the RF output signal External...

Страница 41: ...f the menu display and identifies the display elements It also shows the placement of the menu keys in re lation to the display The paragraphs that follow provide descriptions of the menu display elem...

Страница 42: ...ars Each type of signal modulation AM FM Square Wave has a separate title bar on the display Parameter Areas The parameter areas show the frequency power level and modulation information for the curre...

Страница 43: ...ting mode operating pa rameters and configuration of the instrument A brief functional description of each main menu fol lows q CW SWEEP SELECT This menu lets you select between CW Analog Step Manual...

Страница 44: ...ayed contains a cursor positioned adjacent to the pressed key Figure 3 2 The cursor is displayed on all sub menus of the current menu until a differ ent main menu key is pressed When the SYSTEM key is...

Страница 45: ...ase or de crease the value of the parameter The unit size of the increase or decrease that occurs each time the or pad is pressed is determined by the cursor posi tion In addition when editing frequen...

Страница 46: ...numeric keypad provides for entering fre quency power level time and number of steps pa rameters and GPIB address values The key functions as a change sign key during any keypad entry CLEAR ENTRY Key...

Страница 47: ...enerator and the revi sion level of the installed firmware The 681XXC then returns to the exact configuration it was in when last turned off Standby Operation Whenever the signal generator is not bein...

Страница 48: ...etting to Default Parameters You can reset the 681XXC to the factory selected default parameter values at any time during normal operation The default parameters are shown in Table 3 1 on the followin...

Страница 49: ...8177C 3 5 2 0 50 0 2 0 5 0 8 0 11 0 14 0 17 0 20 0 3 5 2 0 50 0 2 0 5 0 8 0 11 0 14 0 17 0 20 0 1 0 68187C 3 5 2 0 60 0 2 0 5 0 8 0 11 0 14 0 17 0 20 0 3 5 2 0 60 0 2 0 5 0 8 0 11 0 14 0 17 0 20 0 1 0...

Страница 50: ...P SWEEP LEVEL SWEEP LEVEL OFFSET DWELL TIME NUMBER OF STEPS DWELL TIME NUMBER OF STEPS 68117C 50 ms 1 ms 50 50 ms 50 0 0 dB 68137C 50 ms 1 ms 50 50 ms 50 0 0 dB 68147C 50 ms 1 ms 50 50 ms 50 0 0 dB 68...

Страница 51: ...l parameters If you wish to follow along on your 681XXC you can obtain this same menu display by resetting your instrument press SYSTEM then press Reset Opening the Parameter In order for the value of...

Страница 52: ...lockwise to increase or de crease the value of the parameter by the unit size Turning the knob rapidly changes the value of the parameter in larger steps Using a Set Increment When editing frequency p...

Страница 53: ...displayed on the data display in GHz A time entry may be terminated in Sec ms ms or ns however it is always displayed on the data display in Sec If you make an error during data entry either 1 press B...

Страница 54: ...the resulting menu display press CW The CW Menu below is displayed This menu lets you perform the following q Select a CW frequency for output q Copy the current frequency and power infor mation to th...

Страница 55: ...to open the frequency parameter then enter the new CW frequency using the keypad and appropriate terminator key To close the open frequency parameter press Edit F1 or make an other menu selection Sel...

Страница 56: ...ill untag it remove the F Tagging selected frequencies lets you quickly switch between them using the scan keys of the Tagged Frequencies menu Press Edit to edit the selected frequency or enter a new...

Страница 57: ...ower level parameter then edit the current power level using the cursor control key or rotary data knob To close the open power level parameter press Edit L1 or make an other menu selection Entering a...

Страница 58: ...opens for editing Edit the current sweep time using the cursor control key or rotary data knob or enter a new sweep time using the key pad and appropriate termination key The sweep time entered must...

Страница 59: ...y mode the signal genera tor s output frequency is swept between selected start and stop frequencies Sweep width can be set from 1 MHz to the full frequency range of the signal generator Sweep time ca...

Страница 60: ...go to the trigger menu To open the sweep time parameter for editing press Sweep Time Edit the current sweep time using the cursor control key or the rotary data knob or enter a new sweep time using th...

Страница 61: ...en the trigger key is pressed If a sweep is in progress when the key is pressed it aborts and resets To go to the Sweep Trigger Menu below from the Analog Sweep Ramp menu press Trigger Menu To select...

Страница 62: ...n step sweep frequency mode press the main menu key CW SWEEP SELECT At the resulting menu display press Step The Step Sweep Menu below is then displayed This menu lets you perform the following q Sele...

Страница 63: ...his case the resultant minimum dwell time must be 10 ms to allow for phase locking of each step fre quency The sweep time of the step sweep can be set for any time in the range of 20 ms to 99 sec To g...

Страница 64: ...step sweep and go to the trigger menu To open the sweep time parameter for editing press Sweep Time Edit the current sweep time using the cursor control key or the rotary data knob or enter a new swe...

Страница 65: ...The step size range is 1 kHz 0 1 Hz with Option 11 to the full frequency range of the instrument the number of steps range is 1 to 10 000 Selecting Manual Sweep Mode To place the 681XXC in manual swe...

Страница 66: ...ens the stop frequency parameter Edit the open frequency parameter using the cursor control key or the rotary data knob When you are finished close the open parameter by pressing its menu edit soft ke...

Страница 67: ...uency parameter q F6 dF provides a symmetrical frequency sweep about the center frequency F6 The sweep width is determined by the dF frequency parameter To select one of the preset sweep ranges from a...

Страница 68: ...or enter a new output power level for the frequency sweep Editing the Current Power Level Press Edit L1 to open the power level parameter then edit the current power level using the cursor control key...

Страница 69: ...duces an intensified dot on a CRT display at each marker fre quency They are obtained from a momentary dwell during the sweep at each marker fre quency Intensity markers are only available in the anal...

Страница 70: ...tagged pressing Tag will untag it re move the m Activating Markers The soft keys Video Markers and Intensity Markers toggle the markers on and off Video Markers To output the tagged marker fre quencie...

Страница 71: ...Menu display below To go to the Alternate Sweep Menu below from the Step Sweep menu press Alt Swp Menu This menu lets you perform the following q Turn the alternate sweep mode on off q Go to the alte...

Страница 72: ...to return to the Alternate Sweep Menu display Selecting an Alternate Sweep Range To go to the Alternate Range Menu below from the Alternate Sweep menu press Alt Range Select the alternate sweep range...

Страница 73: ...change the level use the menu edit soft key to open the parameter then edit it A menu edit soft key is also provided to let you change the power level of the main sweep When you are done selecting the...

Страница 74: ...key In man ual trigger mode the list index can also be incre mented by using an external trigger input Each TTL trigger increments the list index by one After a reset the list sweep defaults to manua...

Страница 75: ...trol key or rotary data knob or enter a new value using the key pad and any terminator key When you have finished setting the open pa rameter close it by pressing List Index or by mak ing another menu...

Страница 76: ...ile RAM and are lost at instrument power off Press PreCalc List to perform list calculations The soft key image depresses to show that calculations are in progress When the calculations are com pleted...

Страница 77: ...er a new frequency Press Page Up to scroll the displayed frequencies to the next 20 in the list Press Page Down to scroll the displayed frequencies to the previous 20 in the list Press Previous Menu t...

Страница 78: ...ntries from the list Press Insert Entry to insert the default frequency 5 GHz and power level 0 dBm at the current list index NOTE Because the list size is fixed inserting a new index will cause the l...

Страница 79: ...and power level to the values you wish to enter into the current list index Press the Copy to List soft key to copy the data to the current list index Once the frequency and power level information ha...

Страница 80: ...weep Trigger There are four modes of sweep triggering in list sweep frequency mode each selectable from the trigger menu The following is a description of each mode q Auto Automatic The output sweeps...

Страница 81: ...a single sweep If a single sweep is in progress pressing Trig causes the sweep to abort and reset NOTE With Auto trigger selected and the dwell time per step set to a small value display updating slo...

Страница 82: ...l fre quency menu press the main menu key LEVEL ALC SELECT At the resulting menu display press Level The Level Menu below is displayed This menu lets you perform the following q Edit the power level p...

Страница 83: ...Go to the Tagged Levels menu Press Log Linear to select power level units When Log is selected units are in dBm when Linear is se lected units are in mV The soft key label is high lighted in reverse...

Страница 84: ...ss Output Level to output the selected level This power level is output until you select another level from the list and press Output Level On the level list the output power level selection is marked...

Страница 85: ...ue and apply it to the displayed power level go to the Level Menu Then press Edit Offset As shown in the following menu this opens the offset parameter for editing Edit the current offset value using...

Страница 86: ...evels at a single CW fre quency Available menus let you set or select the sweep range the step size the dwell time per step and the type of power sweep linear or logarithmic and sweep trigger To place...

Страница 87: ...menu Press Dwell Time to open the dwell time per step parameter Press Step Size to open the step size parameter Press Num of Steps to open the number of steps parameter Open the parameter you wish to...

Страница 88: ...the trigger key is pressed If a sweep is in prog ress when the key is pressed it aborts and re sets To go to the CW Level Sweep Trigger Menu below from the CW Level Sweep Ramp menu press Trigger Menu...

Страница 89: ...pa rameter in the display above Edit L1 opens the start power level parameter Edit L2 opens the stop power level parameter Edit the open power level parameter using the cur sor control key or the rot...

Страница 90: ...evel Sweep Control menu select the power level sweep range L1 L2 L3 L4 L5 L6 L7 L8 or L9 L0 that you wish to set The menu then displays the current power level parameters for the selected power level...

Страница 91: ...start with an analog sweep menu display to select a step sweep frequency step power mode start with a step sweep menu display Then press the main menu key LEVEL ALC SELECT At the resulting menu displ...

Страница 92: ...rameter Press Num of Steps to open the number of steps pa rameter Open the parameter you wish to change then edit the current value using the cursor control key or ro tary data knob or enter a new val...

Страница 93: ...ations with fre quency in a test setup The following paragraphs provide descriptions and operating instruc tions for the power leveling modes and functions Use the Leveling Modes menu map Chapter 4 Fi...

Страница 94: ...menu To go to the Leveling Menu from the ALC Mode menu press Leveling Menu The Leveling Menu below is displayed To select internal ALC press Internal Pressing one of the other leveling menu soft keys...

Страница 95: ...t the external ALC input from an external detector press External Detector To select the external ALC input from a power me ter press Power Meter After you have made the external ALC input con nection...

Страница 96: ...nstalled are used to control the relative power level Power is not detected at any point and the absolute power level is uncalibrated Fixed gain mode is selected from the leveling menu Press Leveling...

Страница 97: ...ow is displayed This menu lets you decouple the step attenuator from the ALC set the power level and set the at tenuation in 10 dB steps Press Decouple to decouple the step attenuator from the ALC Pre...

Страница 98: ...both the power slope and the pivot point The ALC loop menu lets you activate the ALC power slope function To go to the ALC Loop Menu from the Level ALC Control Menu display press ALC Loop The ALC Loo...

Страница 99: ...r editing Edit the current slope value using the cur sor control key or rotary data knob or enter a new value using the key pad and the STEPS termination key When you have finished setting the open pa...

Страница 100: ...fset table with the signal generator s nor mal power level DAC word at each frequency point Up to five user level flatness correction power offset tables from 2 to 801 frequency points table can be cr...

Страница 101: ...int in the test setup where the corrected power level is desired Power Meter Model and GPIB Address In order for the 681XXC to control the power meter the GPIB address and power meter model must be se...

Страница 102: ...the Anritsu ML2437A ML2438A and ML4803A and Hewlett Packard 437B 438A and 70100A Press Previous Menu to return to the main Config ure GPIB Menu display At the Configure GPIB menu press Previous Menu...

Страница 103: ...er 5 that you wish to create Next set the measurement frequency range by pressing Edit Start or Edit Stop to open the start Flo or stop Fhi frequency parameter for editing Edit the current frequency u...

Страница 104: ...le the set power level is delivered at the point where the calibration was performed To activate the selected power offset table and apply user level flatness correction to the test setup press On Off...

Страница 105: ...NE OPERATE STANDBY key to turn the instrument on Step 3 When the first menu is displayed after the start up display release the RF OUT PUT ON OFF key The contents of non volatile memory have now been...

Страница 106: ...nsitivity is continuously vari able from 0 dB V to 25 dB V The amplitude of the RF output changes exponentially as the AM input changes Providing Amplitude Modulation To provide amplitude modulation f...

Страница 107: ...e front panel or rear panel AM IN connector The AM status display will reflect your selection Frequency Modulation Operating Modes The signal generator has two FM operation modes Locked FM and Unlocke...

Страница 108: ...ss the menu soft key FM Modes The third External FM Status Menu below is displayed This menu lets you select the FM operating mode Press Locked LN to select the Locked Low Noise FM operating mode Pres...

Страница 109: ...he cur sor control key or rotary data knob or enter a new value using the keypad and the appropriate termi nator key The FM Sensitivity range is 10 kHz V to 20 MHz V for Locked and Unlocked Narrow FM...

Страница 110: ...g are the menu selections necessary to provide square wave pulse modulation of the out put signal using a modulating signal from both the internal and external sources Press MODULATION At the resultin...

Страница 111: ...ch input connector is selected Press L RF On H RF On to select the polarity of the signal that triggers the RF on Press More to go to the additional menu Internal Source Frequency Selection If you hav...

Страница 112: ...ce then when you press More the menu below is displayed Press Front Rear to select the front or rear panel IN connector The Square Wave status display shows your selection as Source Press Previous Men...

Страница 113: ...eters external interface language and increment sizes for frequency power level and time parameters Use the System Configuration menu map Chapter 4 Figure 4 14 to follow the menu sequences To go to th...

Страница 114: ...u from the System Configuration menu press Front Panel The Configure Front Panel Menu below is dis played Press Brite repeatedly to increase the intensity of the data display to the desired level Pres...

Страница 115: ...ailable at the rear panel AUX I O connector The display will reflect your selection Press Penlift to select normally open N O or nor mally closed N C contacts on the internal penlift relay The penlift...

Страница 116: ...o to the Configure RF Menu below from the System Configuration menu press RF Press Retrace RF to select RF On or Off during retrace The display will reflect your selection Press Delta F RF to select R...

Страница 117: ...tary data knob or enter a new value using the data entry key pad and any ter minator key To close the open multiplier parameter press Freq Scaling or make another menu selection Press Term RF Off to s...

Страница 118: ...Packard Model 8757D Scalar Network Ana lyzer To go to the Configure GPIB menu from the System Configuration menu press GPIB The Configure GPIB Menu below is displayed Press GPIB Address to change the...

Страница 119: ...wer offset table Refer to page 3 67 for a description of the function q Select the external interface language for re mote operation of 681XXCs with Option 19 Refer to page 2 9 for more information Pr...

Страница 120: ...igure GPIB Menu When you press More the Second Additional Con figure GPIB Menu below is displayed This menu lets you select scalar mode of operation with a Hewlett Packard Model 8757D Scalar Net work...

Страница 121: ...layed Press Freq Incr to open the frequency increment parameter Press Level Incr to open the power level increment parameter Press Time Incr to open the time increment parameter Open the parameter you...

Страница 122: ...mber between 0 and 9 on the keypad The setup is now saved NOTE Setup 0 automatically saves the current front panel settings when the instrument is shutdown using the front panel LINE key Therefore it...

Страница 123: ...t on Step 3 When the first menu is displayed after the start up display release the RF OUTPUT ON OFF key The contents of non volatile memory have now been erased and reprogrammed with default data 3 9...

Страница 124: ...secure mode and how to return to normal op eration To place the 681XXC in the secure mode first press SYSTEM to display the System Menu Next press Secure This places the signal genera tor in the secu...

Страница 125: ...he 681XXC rear panel 10 MHz REF IN con nector Next press the SYSTEM main menu key At the System Menu display press Cal Menu to go to the Calibration Menu below Press Refrnce Cal to begin calibration P...

Страница 126: ...indicate calibration is in progress When the reference calibration is complete the Cali bration Menu is displayed External Reference Not Connected If calibration is attempted without an external 10 MH...

Страница 127: ...Table of Contents 4 1 INTRODUCTION 4 3 4 2 MENU MAP DESCRIPTION 4 3 Chapter 4 Local Operation Menu Maps...

Страница 128: ......

Страница 129: ...ys is provided If a menu soft key selects another menu then it is shown linked to that menu Figure 4 1 on page 4 5 is a sample menu map annotated to identify the key elements The following is a list o...

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Страница 131: ...LOCAL OPERATION SAMPLE MENU MAPS MENU MAP Figure 4 1 Sample Menu Map Annotated 681XXC OM 4 5...

Страница 132: ...S FREQUENCY MODE 4 6 681XXC OM Figure 4 2 CW Frequency Mode Menu Map NOTES Refer to Chapter 7 paragraph 7 2 for Master Slave operating in structions Refer to Chapter 3 paragraph 3 7 for CW Frequency M...

Страница 133: ...L OPERATION ANALOG SWEEP MENU MAPS FREQUENCY MODE 681XXC OM 4 7 Figure 4 3 Analog Sweep Frequency Mode Menu Map NOTE Refer to Chapter 3 paragraph 3 8 for Analog Sweep Frequency Mode operating instruct...

Страница 134: ...OCAL OPERATION STEP SWEEP MENU MAPS FREQUENCY MODE 4 8 681XXC OM Figure 4 4 Step Sweep Frequency Mode Menu Map NOTE Refer to Chapter 3 paragraph 3 8 for Step Sweep Frequency Mode operating instruction...

Страница 135: ...L OPERATION MANUAL SWEEP MENU MAPS FREQUENCY MODE 681XXC OM 4 9 Figure 4 5 Manual Sweep Frequency Mode Menu Map NOTE Refer to Chapter 3 paragraph 3 8 for Manual Sweep Frequency Mode operating instruct...

Страница 136: ...10 681XXC OM LOCAL OPERATION LIST SWEEP MENU MAPS FREQUENCY MODE Figure 4 6 List Sweep Frequency Mode Menu Map NOTE Refer to Chapter 3 paragraph 3 8 for List Sweep Frequency Mode operating instruction...

Страница 137: ...LOCAL OPERATION FIXED POWER MENU MAPS LEVEL MODE Figure 4 7 Fixed Power Level Mode Menu Map NOTE Refer to Chapter 3 paragraph 3 9 for Fixed Power Level Mode operating in structions 681XXC OM 4 11...

Страница 138: ...LOCAL OPERATION CW POWER MENU MAPS SWEEP MODE Figure 4 8 CW Power Sweep Mode Menu Map NOTE Refer to Chapter 3 paragraph 3 10 for CW Power Sweep Mode operating instructions 4 12 681XXC OM...

Страница 139: ...TION SWEEP FREQUENCY MENU MAPS STEP POWER MODE Figure 4 9 Sweep Frequency Step Power Mode Menu Map NOTE Refer to Chapter 3 paragraph 3 10 for Sweep Frequency Step Power Mode operating instructions 681...

Страница 140: ...Press To Decrease Attenuation 10dB Steps ALC Slope On Off Edit The ALC Slope Edit The Pivot Point Selects Front Panel External ALC Input Selects Rear Panel External ALC Input Adjust the External ALC S...

Страница 141: ...ut Impedance Log AM 0 25dB V or Linear AM 0 100 V Edit AM Sensitivity Front Panel Input or Rear Panel Input SYSTEM CW SWEEP SELECT FREQUENCY CONTROL LEVEL ALC SELECT LEVEL CONTROL MODULATION Display S...

Страница 142: ...nsitivity Front Panel Input or Rear Panel Input SYSTEM CW SWEEP SELECT FREQUENCY CONTROL LEVEL ALC SELECT LEVEL CONTROL MODULATION Display Showing FM Selected On Select Locked FM Mode Selects Unlocked...

Страница 143: ...LOW Level Triggers RF or HIGH Level Triggers RF Select Frequency Square Wave Modulation On Off Internal Square Wave Source or External Square Wave Source LOW Level Triggers RF or HIGH Level Triggers...

Страница 144: ...p R a m p 1 0 F o r T o p o f S w e e p R a m p S e l e c t R F O n o r O f f D u r i n g F r e q u e n c y S w i t c h i n g I n C W S t e p a n d L i s t M o d e s S e l e c t 5 V o r 5 V L e v e l...

Страница 145: ...ower Up 5 4 Self Test 5 4 Resetting the 681XXC 5 4 Warmup Time 5 4 5 5 CW FREQUENCY ACCURACY TEST 5 5 Test Setup 5 5 Test Procedure 5 6 5 6 POWER LEVEL ACCURACY AND FLATNESS TESTS 5 13 Test Setup 5 13...

Страница 146: ......

Страница 147: ...n testing of your 681XXC These tables are included as part of the operational verification test procedures and contain test information for all 681XXC models 681XXC OM 5 3 Instrument Critical Specific...

Страница 148: ...ion of the instrument PCBs and other internal assemblies To self test the signal generator press SYSTEM then press Selftest When the self test is complete the instrument displays the main CW menu NOTE...

Страница 149: ...Connect the 681XXC RF OUTPUT to the Frequency Counter RF Input as follows a For measuring frequencies of 0 01 to 1 0 GHz connect to the Band 2 input Connection A b For measuring frequencies of 1 0 to...

Страница 150: ...unter read ing meets specifications 100 Hz of the value shown on the test record for stan dard models 10 Hz for instruments with Option 11 Step 3 Record the Frequency Counter reading on the test recor...

Страница 151: ...____________ 2 000 002 000 _____________________ 2 000 003 000 _____________________ 2 000 003 000 _____________________ 2 000 004 000 _____________________ 2 000 004 000 _____________________ 2 000 0...

Страница 152: ...0 000 000 _____________________ 46 000 000 000 _____________________ 38 000 000 000 _____________________ 50 000 000 000 _____________________ 40 000 000 000 _____________________ 2 000 001 000 ______...

Страница 153: ...50 000 000 000 _____________________ 50 000 000 000 _____________________ 54 000 000 000 _____________________ 54 000 000 000 _____________________ 58 000 000 000 _____________________ 58 000 000 000...

Страница 154: ..._______________ 2 000 000 100 0 _____________________ 2 000 000 200 0 _____________________ 2 000 000 200 0 _____________________ 2 000 000 300 0 _____________________ 2 000 000 300 0 ________________...

Страница 155: ...0 000 000 0 _____________________ 42 000 000 000 0 _____________________ 35 000 000 000 0 _____________________ 46 000 000 000 0 _____________________ 38 000 000 000 0 _____________________ 50 000 000...

Страница 156: ...00 000 000 0 _____________________ 50 000 000 000 0 _____________________ 50 000 000 000 0 _____________________ 54 000 000 000 0 _____________________ 54 000 000 000 0 _____________________ 58 000 00...

Страница 157: ...use the MA2474A power sensor for 40 GHz models use the MA2475A power sensor Step 2 Connect the Power Sensor to the RF OUT PUT of the 681XXC Step 3 Connect the 681XXC rear panel HORIZ OUT to the Oscil...

Страница 158: ...easure the output power level with the Power Meter and record the reading on the test record Step 3 Verify that the Power Meter reading meets the specifications stated on the test record Step 4 Set L1...

Страница 159: ...eset The CW Menu is displayed b Press Step to place the 681XXC in the step sweep frequency mode and display the Step Sweep Menu below c With the Step Sweep menu displayed press the main menu key FREQU...

Страница 160: ...ond NOTE Monitor the 681XXC s Horizontal Output on the Oscilloscope to de termine sweep start and stop Step 2 As the 681XXC steps through the full fre quency range measure the maximum and minimum Powe...

Страница 161: ...ith the Analog Sweep menu dis played press the main menu key FREQUENCY CONTROL The Sweep Frequency Control Menu below is displayed d Press Full to select a full range fre quency sweep e Press Edit L1...

Страница 162: ...81XXC s Horizontal Output on the Oscilloscope to de termine sweep start and stop Step 4 During the analog sweep measure the maximum and minimum Power Meter readings and record the values on the test r...

Страница 163: ...dBm 3 dBm 2 dBm 1 dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm Specifica...

Страница 164: ...1 dBm 0 dBm 1 dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm Specificatio...

Страница 165: ...1 dBm 2 dBm 3 dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm Specification...

Страница 166: ...11 dBm 10 dBm 9 dBm 8 dBm 6 dBm 5 dBm 4 dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm...

Страница 167: ...dBm 8 dBm 7 dBm 6 dBm 5 dBm 4 dBm 3 dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm ___...

Страница 168: ...Bm 4 dBm 3 dBm 2 dBm 1 dBm 0 dBm 1 dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _____...

Страница 169: ...____dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm Specification is 1 0 dB Power Level Flatness Step Sweep Set Power Max Power Min Power Va...

Страница 170: ...dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm Specification is 1 0 dB Power Level Flatness Step Sweep Set Power Max Power Min Power Variation 11 dBm _________dBm __...

Страница 171: ...dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm Specification is 1 0 dB Power Level Flatness Step Sweep Set Power Max Power Min Power Variation 3 dBm _________dBm ___...

Страница 172: ..._________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm Specification is 1 0 dB Power Level Flatness Step Sweep Set Power Max Power Min Power Variation...

Страница 173: ...________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm Specification is 1 0 dB Power Level Flatness Step Sweep Set Power Max Power Min Power Variation 1...

Страница 174: ...______dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm Specification is 1 0 dB Power Level Flatness Step Sweep Set Power Max Power Min Power Variation 7 d...

Страница 175: ...Bm 13 dBm 12 dBm 11 dBm 10 dBm 9 dBm 8 dBm 7 dBm 6 dBm 5 dBm 4 dBm 3 dBm 2 dBm 1 dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dB...

Страница 176: ...m 11 dBm 10 dBm 9 dBm 8 dBm 7 dBm 6 dBm 5 dBm 4 dBm 3 dBm 2 dBm 1 dBm 0 dBm 1 dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _...

Страница 177: ...Bm 3 dBm 2 dBm 1 dBm 0 dBm 1 dBm 2 dBm 3 dBm 4 dBm 5 dBm 6 dBm 7 dBm 8 dBm 9 dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm __...

Страница 178: ..._dBm _________dBm 17 dBm 16 dBm 15 dBm 14 dBm 13 dBm 12 dBm 11 dBm 10 dBm 9 dBm 8 dBm 7 dBm 6 dBm 5 dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _____...

Страница 179: ...___dBm _________dBm 15 dBm 14 dBm 13 dBm 12 dBm 11 dBm 10 dBm 9 dBm 8 dBm 7 dBm 6 dBm 5 dBm 4 dBm 3 dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _____...

Страница 180: ..._______dBm _________dBm 7 dBm 6 dBm 5 dBm 4 dBm 3 dBm 2 dBm 1 dBm 0 dBm 1 dBm 2 dBm 3 dBm 4 dBm 5 dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _______...

Страница 181: ...________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm 6 dBm 5 dBm 4 dBm 3 dBm 2 dBm 1 dBm 0 dBm 1 dBm 2 dBm 3 dB...

Страница 182: ...______dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm 3 dBm 2 dBm 1 dBm 0 dBm 1 dBm 2 dBm 3 dBm 4 dBm 5 dBm 6 dBm...

Страница 183: ...____dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm 6 dBm 5 dBm 4 dBm 3 dBm 2 dBm 1 dBm...

Страница 184: ..._dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm 3 dBm 2 dBm 1 dBm 0 dBm 1 dBm 2 dBm 3 d...

Страница 185: ...m _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm 2 5 dBm 1 5 dBm 0 5 dBm 0 5 dBm 1 5 dBm 2 5 dBm 3 5 dBm 4 5 dBm 5 5 dBm 6 5 dBm 7...

Страница 186: ..._________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm 1 dBm 2 dBm 3 dBm 4 dBm 5 dBm 6 dBm 7 dBm 8 dBm 9 dBm 10 dBm 11 dBm 1...

Страница 187: ...dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm 2 dBm 1 dBm 0 dBm 1 dBm 2 dBm 3 dBm 4 dBm 5 dBm 6 dBm 7 dBm 8 dBm...

Страница 188: ..._________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm 1 5 dBm 2 5 dBm 3 5 dBm 4 5 dBm 5 5 dBm 6 5 dBm 7 5 dBm 8 5 dBm 9 5 dBm 10 5 dBm 1...

Страница 189: ..._________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm _________dBm 0 dBm 1 dBm 2 dBm 3 dBm 4 dBm 5 dBm 6 dBm 7 dBm 8 dBm 9 dBm 10 dBm 11 dBm 12 dBm _...

Страница 190: ...ESSAGES 6 3 Self Test Error Messages 6 3 Normal Operation Error and Warning Status Messages 6 8 6 3 TROUBLESHOOTING 6 10 6 4 ROUTINE MAINTENANCE 6 13 Cleaning the Fan Filter 6 13 Cleaning the Data Dis...

Страница 191: ......

Страница 192: ...81XXC firmware includes internal diagnostics that self test the instrument These self test diag nostics perform a brief go no go test of most of the instrument PCBs and other internal assemblies You c...

Страница 193: ...ates the power supply is not phase locked to the 400 kHz reference frequency The 681XXC is still operable in a degraded mode The RF output may contain more spurious signals than normal Error 107 Sweep...

Страница 194: ...zer DAC on the A12 PCB The 681XXC is still operable but frequency accuracy of the RF output is degraded Error 118 Switchpoint DAC Failed Indicates a failure of the Switchpoint DAC on the A12 PCB The 6...

Страница 195: ...3 5 5 GH Switched Filter Indicates a failure in the 3 3 5 5 GHz switched filter path within the switched filter assembly The 681XXC may or may not produce an RF output in this frequency range Use caut...

Страница 196: ...DM The 681XXC is still operable but it will not produce an RF output in the 25 32 GHz frequency range Error 141 20 25 GHz SDM Section Failed Indicates a failure in the 20 25 GHz switched doubler filte...

Страница 197: ...t frequency is not phase locked The frequency accuracy and stability of the RF output is greatly reduced Normally caused by an internal component failure Run self test to verify malfunction RANGE Disp...

Страница 198: ...power level usually clears the warning UNLOCKED When Unlocked Narrow FM or Unlocked Wide FM is selected ON this warning message appears indicating that the instrument is not phase locked during this...

Страница 199: ...line fuse on the rear panel q If the fuse is defective replace see page 6 14 q If the fuse is good go to the next step Step 2 Check to see if power is available at the power receptacle q If not move...

Страница 200: ...fan is still operating clean the air filter see page 6 13 q If the fan is not operating call a service technician LOCK ERROR is Displayed Trouble Description This message is displayed in the frequenc...

Страница 201: ...ep size value entered is greater than the sweep range 4 the number of steps entered results in a step size of less than 1 kHz 0 1 Hz with Option 11 or 0 1 dB 0 01 mV or 5 the step sweep time entered d...

Страница 202: ...filter as follows Step 1 Remove the filter guard from the rear panel by pulling out on the four panel fas teners holding them in place Figure 6 1 Step 2 Vacuum the honeycomb filter to clean it Step 3...

Страница 203: ...o the fuse holder Step 1 Disconnect the 681XXC from the power source Step 2 Using a small flat blade screwdriver turn the fuse cap counter clockwise and re move the fuse holder 6 14 681XXC OM OPERATOR...

Страница 204: ...Install the fuse holder in the rear panel Using the screwdriver rotate the fuse cap clockwise to secure the fuse holder in place Step 5 Reconnect the signal generator to the power source 681XXC OM 6...

Страница 205: ...9 7 3 USE WITH A 56100A SCALAR NETWORK ANALYZER 7 10 Connecting the 681XXC to the 56100A 7 10 7 4 USE WITH A 360B VECTOR NETWORK ANALYZER 7 12 Connecting the 681XXC to the 360B 7 12 Modes of Operation...

Страница 206: ......

Страница 207: ...Instructions for connecting the 681XXC to an Anritsu Model 56100A Scalar Network Analyzer so that it can be used as a signal source for the analyzer q Instructions for connecting the 681XXC to a Anri...

Страница 208: ...instrument Step 2 Connect the ends of the flat interface ca ble to the rear panel Serial I O connectors on the Master and Slave instruments Step 3 Connect one end of a coaxial cable to the rear panel...

Страница 209: ...press Master Slave to go to the Master Slave Menu display below This menu lets you perform the following q Go to the Slave Frequencies List menu q Set the dF frequency for the Slave unit q Set the Sl...

Страница 210: ...press Previous Menu to return to the Master Slave Menu below The Master Slave menu lets you set the dF fre quency and L1 and L2 power level parameters for the Slave unit Press Slave DF to open the dF...

Страница 211: ...hen ever the F1 F2 sweep range is selected on the Mas ter unit The Master unit will sweep from F1 F2 with the values of F1 and F2 defined in the Master unit s frequency list Master Slave Operation in...

Страница 212: ...appropriate termination key When you have finished setting the open parameter close it by pressing its menu soft key or by making another menu selection Press Previous Menu to return to the Slave Fre...

Страница 213: ...ont panel control On the Master instrument select CW mode At the CW Menu press Master Slave to go to the Master Slave Menu display At the Master Slave Menu display press Enable This terminates master...

Страница 214: ...the dedicated system bus cable P N 2100 1 to the 56100A rear panel DEDICATED GPIB connector Con nect the other end of the cable to the 681XXC rear panel IEEE 488 GPIB con nector Step 3 Turn on the 681...

Страница 215: ...e to the 681XXC rear panel FM IN connector Con nect the other end to the 360B rear panel EXT FM F LOCK OUTPUT connector Step 2 Connect one end of a coaxial cable to the 681XXC rear panel 10 MHz REF IN...

Страница 216: ...iguration and operation of the 681XXC for both modes of operation are described in the following paragraphs Source Lock Mode When operating in source lock mode the 360B phase locks the frequency outpu...

Страница 217: ...ons Turn on the 360B and configure it for source lock mode of operation Refer to the 360B VNA opera tion manual Once configured the 360B takes con trol of the signal generator When the 360B takes cont...

Страница 218: ...cy and phase sig nal so as to phase lock itself to the reference signal from the 681XXC Due to the inherent resolution of the 360B s frequency readout frequency resolution is limited to 1 kHz interval...

Страница 219: ...igure it for tracking mode of operation Refer to the 360B VNA operation man ual Once configured the 360B should take control of the signal generator When the 360B takes control the display of all pa r...

Страница 220: ...one end of a GPIB cable to the 681XXC rear panel IEEE 488 GPIB con nector Connect the other end to the HP8757D rear panel 8757 SYSTEM IN TERFACE connector Step 2 Connect one end of a coaxial cable ha...

Страница 221: ...681XXC The 681XXC must be set to GPIB address 19 and in the 8757D Scalar mode of operation to operate as a signal source for the SNA The following paragraphs describe how to set up the 681XXC to enabl...

Страница 222: ...s play Press More to go to the First Additional Configure GPIB menu below At this menu press More to go to the Second Addi tonal Configure GPIB menu below Press 8757D Scalar to enable the 8757D Scalar...

Страница 223: ...57D to initiate scalar network analyzer operation Refer to the Hewlett Packard Model 8757D Scalar Network Analyzer Operation Manual for operating instructions 681XXC OM 7 19 7 20 USE WITH USE WITH A H...

Страница 224: ...s 681XXC Synthesized Signal Generator A 2 REAR PANEL CONNECTORS Figure A 1 provides a illustration of the rear panel and describes the rear panel connectors A 3 CONNECTOR PINOUT DIAGRAMS Figures A 2 a...

Страница 225: ...P E C I F I E D T Y P E A N D R A T E D F U S E H E A V Y W E I G H T T 2 5 A 2 2 0 V T 5 A 1 1 0 V W A R N I N G D O N O T O P E R A T E W I T H P O W E R C O R D U N G R O U N D E D I N P U T 9 0 1...

Страница 226: ...or 600W are selectable via front panel menu or GPIB BNC connector IN Accepts an external TTL level signal to square wave pulse modulate the RF output BNC connector EXT ALC IN Provides for leveling th...

Страница 227: ...6 RETRACE BLANKING Retrace Blanking Output Provides a 5V or 5V signal coincident with sweep re trace Signal polarity selected from a front panel menu 7 L ALT SWP L Alternate Sweep Output Provides a T...

Страница 228: ...to stop the sweep in both ana log and step sweep modes The sweep resumes when the signal is removed 19 AUX 2 Aux 2 Auxiliary input output to the processor PC3 20 BANDSWITCH BLANK Bandswitch Blanking...

Страница 229: ...ssed listeners have accepted the current data byte for internal processing 9 IFC Interface Clear A low true state places all bus instruments in a known quiescent state unaddressed to talk unaddressed...

Страница 230: ...d Accuracy Same as internal or external 10 MHz time base Resolution Minimum Step Size 1 kHz 0 1 Hz with Option 11 Linear Log Sweep User selectable linear or log sweep In log sweep step size logarithmi...

Страница 231: ...Second Sweep Time Produces an intensified dot on trace obtained by momentary dwell in RF sweep Marker Accuracy Same as sweep frequency accuracy Marker Resolution Analog Sweep 1 MHz or Sweep Width 409...

Страница 232: ...o 65 GHz 880 Frequency Range Unlocked Narrow FM Mode kHz RMS Unlocked Wide FM Mode kHz RMS 10 MHz to 20 GHz 5 25 20 GHz to 40 GHz 10 50 40 GHz to 65 GHz 20 100 Frequency Range Offset From Carrier 100...

Страница 233: ...7C 2 0 to 20 0 13 0 11 0 3 0 68147C 0 01 to 20 0 13 0 11 0 3 0 68167C 0 01 to 2 0 2 0 to 20 0 20 0 to 40 0 13 0 9 0 6 0 11 0 7 0 3 0 Not Available 68177C 0 01 to 2 0 2 0 to 20 0 20 0 to 40 0 40 0 to 5...

Страница 234: ...Off state the RF oscillator is turned off The On or Off state is indicated by two LEDs located below the OUTPUT ON OFF key on the front panel RF On Off Between Frequency Steps System menu se lection...

Страница 235: ...th 3 dB DC to 50 kHz minimum DC to 100 kHz typical Flatness DC to 10 kHz rates 0 3 dB Accuracy 5 Distortion 5 typical Incidential Phase Modulation 30 depth 10 kHz rate 0 2 radians Maximum Input 1V FRE...

Страница 236: ...lftest soft key is selected If an error is detected an error mes sage is displayed in a window on the LCD identifying the probable cause and remedy Secure Mode Disables all frequency power level and m...

Страница 237: ...el modulation menu IN Accepts an external TTL compatible signal to pulse modulate the RF output signal Front or rear panel in put selectable from front panel modulation menu EXT ALC IN External ALC In...

Страница 238: ...tor Adds a 10 dB step electronic attenuator with a 120 dB range for models having a high end frequency of 8 4 GHz Rated RF output power is reduced Option 2F 120 dB Electronic Step Attenuator Adds a 10...

Страница 239: ...electing Linear or Logarithmic Sweep 3 57 Setting Dwell Time 3 54 Setting Step Size 3 54 D Data Display Description 3 8 Menu Display Format 3 9 Menu Keys 3 10 Data Entry Area Description 3 12 Default...

Страница 240: ...s List of 1 4 Modulation Modes AM Mode 3 73 FM Mode 3 73 Square Wave Modulation Mode 3 73 O Operating Environment 2 6 Operational Verification Tests 5 3 Operator Maintenance Error and Warning Status M...

Страница 241: ...he GPIB 3 85 Configuring the Rear Panel 3 82 Configuring the RF 3 83 Frequency Scaling 3 81 Menu Map 4 18 Setting Increment Sizes 3 88 T Test Equipment 1 8 5 3 Testing Operational Verification CW Freq...

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