Frequency Modulation FM | Agilent Technologies E1441A manual

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Agilent Technologies E1441A user service Frequency Modulation FM, Amplitude Modulating Source

Contents

E1441-90003 User/Service and SCPI Programming ManualWhere to Find it - Online and Printed Information Agilent E1441APage Chapter ContentsEdition Chapter Appendix B ChapterAppendix A Appendix C Performance Verification Tests 6 Contents Certification AGILENT TECHNOLOGIES WARRANTY STATEMENTDURATION OF WARRANTY: 1 year U.S. Government Restricted Rights Trademarks Safety SymbolsDocumentation History WARNINGS Measurement Product Generation Unit SafetyDECLARATION OF CONFORMITY Conforms with the following European Directives Notes Notes Notes Function/Arbitrary Waveform Generator Module SetupAgilent E1441A Chapter Setting the Module Address Switch Figure 1-1.Setting the Logical AddressChapter Installing into the Mainframe Interrupt Priority Option 001 Phase-Lock10 MHz Reference Terminals Faceplate Indicators and ConnectorsFaceplate Indicators Standard Input/Output Terminals Initial Operation Chapter Functional Capabilities Output ConfigurationAgilent E1441A Application Information Chapter Valid Function/ Modulation Modes Table TableFUNCtion:SHAPe SIN|SQU|TRI|RAMP|NOIS|USER|DC Chapter 22 Agilent E1441A Application Information TableFREQuency <frequency>|MINimum|MAXimum Chapter Parameter Page Use the following command to set the dc offset Use the following command to set the duty cycle sync signal, you can disable the Sync terminal Amplitude Modulation AM AM Carrier Waveform Shape Amplitude Modulation Depth Amplitude Modulating Waveform ShapeAmplitude Modulating Waveform Frequency FREQuency <frequency>|MINimum|MAXimum Frequency Modulation FM Amplitude Modulating Source FM Carrier Waveform Shape FM Carrier Frequency FM Peak Frequency Deviation 32 Agilent E1441A Application InformationChapter “Counted Burst Mode” on page “Burst Phase” on page•“Burst Modes” on page “Gated Burst Mode” on page trigger source The command sequence to configure this mode isThe command sequence to configure this mode is 34 Agilent E1441A Application Information Gated Burst Mode Burst Trigger Source For Counted Burst Mode EXTernal IMMediateINTernal TTLTRG<n> Maximum Frequency Number of Arb PointsMinimum Frequency Carrier Frequency Burst Count BM:NCYCles <# cycles>|INFinity|MINimum|MAXimum Use the following command to set the burst countUse the following command to set the burst rate BM:INTernal:RATE <frequency>|MINimum|MAXimum •“FSK “Hop” Frequency” on page Frequency-Shift Keying FSK Modulation•“FSK Carrier Frequency” on page •“FSK Rate” on page •“FSK Hop Source” on page FREQuency <frequency>|MINimum|MAXimum Use the following command to set the frequencyUse the following command to set the FSK rate FSKey:FREQuency <frequency>|MINimum|MAXimum 42 Agilent E1441A Application Information Internal Hop SourceExternal Hop Source Chapter •“Sweep Time” on page •“Sweep Mode” on page Sweep Start and Stop Frequencies•“Sweep Start and Stop Frequencies” on page •“Sweep Trigger Source” on page Sweep Trigger Source External Sources Internal Source TRIGger:SOURce IMMediate|EXTernal|TTLTRG<0-7>|BUS Sweep Trigger Signal TRIG:SOUR INT shownFigure 2-9.Frequency Sweep with Internal Trigger Chapter Arbitrary Waveforms Creating Arbitrary Waveforms Creating and Storing an Arbitrary Waveform 48 Agilent E1441A Application Information WaveformsFigure Chapter PHAS:ADJ Phase-Lock Capabilities OptAPPL:SIN 10E+6, 90DEG Figure To Phase Lock Multiple Function Generatorsrequires Option 50 Agilent E1441A Application Information To Phase Lock Using the Counted Burst Mode Send these commands to both function generatorsrequires Option Triggering the Function Generator Trigger SlopeTrigger Source Choices Trig / FSK / Burst Input Terminal” on page Internal TriggeringExternal Triggering Including TTLTRG lines Software BUS Triggering 54 Agilent E1441A Application Information Ext Trig / FSK / Burst Input TerminalFigure Chapter System-RelatedOperations Firmware Revision Query SCPI Language Version Query Feature Power-OnandReset State Power-Onand Reset State Program Example Programs Application Program ExamplesCLanguage Programs Compiling and Linking a C Burst Modulation Program Chapter Agilent E1441A Application Informationiferr != VI_SUCCESS err_handlerfuncgen, err AM Modulation and Instrument State Storage 60 Agilent E1441A Application InformationChapter Arbitrary Waveform Example ChapterAgilent E1441A Application Information 62 Agilent E1441A Application Information Chapter Agilent E1441A Application Information end of main Error handling functionChapter close the device session */ viClosefuncgen 64 Agilent E1441A Application Information Chapter Agilent E1441A SCPI Command Reference Command Index by FunctionChapter Modulation Commands 66 Agilent E1441A SCPI Command ReferenceChapter Trigger Commands Sweep CommandsArbitrary Waveform Commands Agilent E1441A SCPI Command Reference Status Reporting Commands System-RelatedCommandsCalibration Commands 68 Agilent E1441A SCPI Command Reference Agilent E1441A SCPI Command Reference The IEEE-488.2Common CommandsOption 001 Phase-LockCommands Chapter SCPI Command Format Command FundamentalsCommon Command Format Abbreviated Commands Linking Commands Implied CommandsParameters SCPI Command Reference Command Guides COUNt? CALibrationCALibration? Subsystem Syntax SECure:CODE SECure:STATeParameters SECure:STATe? SETupSETup? STRing VALue? STRing?VALue Parameters DATA VOLATILESubsystem Syntax DAC VOLATILE ATTRibute:AVERage? ATTRibute CFACtor?Downloading a Binary Block of Data 80 Agilent E1441A SCPI Command Reference ATTRibute:POINts?ATTRibute PTPeak? Chapter Agilent E1441A SCPI Command Reference CATalog?COPY Chapter DELete DEL:ALL NVOLatile:CATalog?NVOLatile:FREE? BORDer? FORMatBORDer •Related Commands STATe:RECall:AUTO MEMorySTATe:DELete •Related Commands: *RCL, *SAV STATe:RECall:AUTO? Comments • Returned Value: 0 or LOAD? OUTPutLOAD Parameters TRIGger:IMMediate SYNCSYNC? TRIGger:STATe enable TTLTRG2 line to source a trigger TTLTrg<n>:STATe?Agilent E1441A SCPI Command Reference enable TTLTRG7 line to source a trigger Subsystem Syntax PHASe PHASeADJust Only valid with Option UNLock:ERRor:STATe? ADJust?UNLock:ERRor:STATe REFerence Subsystem Syntax SOURce92 Agilent E1441A SCPI Command Reference Chapter Parameters Amplitude Modulation AM CommandsAM:DEPTh •*RST Condition: 100% AM:INTernal:FUNCtion? AM:DEPTh?AM:INTernal:FUNCtion AM:INTernal:FREQuency AM:STATe? AM:SOURce?AM:STATe •*RST Condition: BOTH APPLy Commands APPLy Command ParametersSyntax in the waveform see below 98 Agilent E1441A SCPI Command Reference Chapter ±10 Vdc into an open circuit APPLy:RAMP APPLy:DCAPPLy NOISe APPLy:SINusoid APPLy:USER APPLy:SQUareAPPLy:TRIangle APPLy? BM NCYCles? BURST MODULATION COMMANDSBM:NCYCles BurstCount BM:INTernal:RATE BM:PHASeBM:PHASe? Parameters BM:SOURce FM COMMANDSBM:INTernal:RATE? BM:SOURce? FM:INTernal:FREQuency FM:DEViationFM:DEViation? Parameters FM:INTernal:FUNCtion? FM:INTernal:FREQuency?FM:INTernal:FUNCtion FM:STATe Agilent E1441A SCPI Command Reference FREQuency?FREQuency:STARt Parameters FREQuency:STOP Frequency-ShiftKeying FSK CommandsFREQuency:STARt? FREQuency:STOP? FSKey INTernal RATE FSKey:FREQuencyFSKey FREQuency? FSKey:INTernal:RATE? FSKey:STATe Selecting an Arbitrary WaveformFSKey:SOURce? FSKey:STATe? Agilent E1441A SCPI Command Reference FUNCtion:USER?FUNCtion:SHAPe Chapter 112 Agilent E1441A SCPI Command Reference FUNCtion:SHAPe?PULSe:DCYCle Parameters SWEep:SPACing? PULSe:DCYCle?SWEep:SPACing SWEep:TIME VOLTage SWEep:STATeSWEep:STATe? 114 Agilent E1441A SCPI Command Reference Agilent E1441A SCPI Command Reference VOLTage?VOLTage:OFFSet Parameters VOLTage:OFFSet? VOLTage:UNITVOLTage:UNIT? QUEStionable :CONDition? PRESetSTATus QUEStionable :EVENt? QUEStionable :ENABle QUEStionable :ENABle? Agilent E1441A SCPI Command Reference FigureChapter VERSion? ERRor?SYSTem Subsystem Syntax SLOPe? TRIGgerSLOPe SOURce the *TRG IEEE-488.2common command SOURce? Related Commands *RST Condition TRIG SOUR IMM 124 Agilent E1441A SCPI Command Reference IEEE 488.2Common CommandReferenceCommand Category Comments • Coupled command: No ESE?ESR? •Related Commands: STATus:PRESet OPT? option IDN?OPC? Comments • Coupled command: No Comments • Coupled command: No PSC?•Coupled command: No •*RST Condition: none Power-OnCondition no bits are enabled •Coupled command: NoComments • Coupled command: No Parameters TST? SRE?STB? Comments • Coupled command: No Power-Onand Reset State Agilent E1441A Power-Onand Reset StateFeature 130 Agilent E1441A SCPI Command Reference SCPI Command Quick Reference Agilent E1441A SCPI Command ReferenceChapter 132 Agilent E1441A SCPI Command Reference Chapter Agilent E1441A SCPI Command Reference SOURceChapter 134 Agilent E1441A SCPI Command Reference Chapter Sinewave Spectral Purity Agilent E1441A SpecificationsAppendix A Frequency Characteristics Resolution Signal Characteristics Square waveOutput Characteristics 1,5 Amplitude into 50Ω:2 Triangle, Ramp, Arb Frequency Sweep CharacteristicsModulation Faceplate Inputs5 Cooling/Slot System Characteristics Configuration TimesArb Download Times Operating Environment Faceplate Output: Ref Out terminal Option 001 Specifications Timebase AccuracyPhase Offset Trigger 140 Agilent E1441A Specifications Appendix A Appendix B Agilent E1441A Error MessagesExecution Errors 102 Syntax error 112 Program mnemonic too long 108 Parameter not allowed109 Missing parameter 113 Undefined header 158 String data not allowed 170to -178 Expression errors151 Invalid string data 161 Invalid block data 221 Settings conflict; frequency has been adjusted 221 Settings conflict; offset has been adjusted 222 Data out of range; frequency 222 Data out of range222 Data out of range; amplitude 222 Data out of range; offset 580Phase-lockedloop is unlocked 350 Too many errors550Command not allowed in local 440 Query UNTERMINATED after indefinite response 590I/O processor reset 601Trigger test failed Self-TestErrorsCalibration Errors 701Cal security disabled by jumper 703Invalid secure code 707Cal signal measurement out of range702Cal secured 704Secure code too long 851Negative offset gain cal required CAL:SETup Arbitrary Waveform Errors850Cal setup invalid 852Flatness DAC gain cal required CAL:SETup 786Cannot delete a built-inarb waveform 783Arb waveform name too long785Specified arb waveform does not exist 788Cannot copy to VOLATILE arb waveform Option 001 Phase-LockErrors 580Phase-lockedloop is unlocked 152 Agilent E1441A Error Messages Appendix B Agilent E1441A Function Generator Tutorial Appendix CDirect Digital Synthesis 154 Agilent E1441A Function Generator Tutorial Figure C-2Figure C-3 Appendix C Signal Imperfections Appendix CAgilent E1441A Function Generator Tutorial Figure C-5 Output Amplitude ControlFigure C-4 156 Agilent E1441A Function Generator Tutorial Appendix C Floating Signal GeneratorsAttributes of AC Signals Agilent E1441A Function Generator Tutorial 158 Agilent E1441A Function Generator Tutorial Modulation1 + D ⋅ Am 〈 t〉 ⋅ sin2π ⋅ Fc ⋅ T Appendix C For wideband FM Appendix CAgilent E1441A Function Generator Tutorial Start Frequency + Stop Frequency Deviation = Hop Frequency – Carrier Frequency 160 Agilent E1441A Function Generator TutorialAppendix C 624for FM Table C-1for AM Appendix C y = mX + b Fs = 1 / 9 x 200 ∝s = 555.555 kHzPoints P = C/S / Fs = 162 Agilent E1441A Function Generator Tutorial Service Procedures Appendix D Closed-CaseElectronic Calibration Agilent Technologies Calibration ServicesAutomated Verification and Calibration Procedures Calibration Interval Recommended Test Equipment Test Considerations Performance Verification Tests Frequency Verification Quick Performance CheckPerformance Verification Tests 168 Service Procedures Function Gain and Linearity VerificationDC Function Offset Verification Table D-4.DC Function Offset Verification Table D-5.AC Amplitude Verification High Z AC Amplitude VerificationService Procedures Appendix D 170 Service Procedures Table D-6.AC Amplitude Verification 50 OhmsAppendix D Table D-7.Amplitude Flatness Verification Amplitude Flatness VerificationService Procedures Appendix D AM Modulation Depth Verification Optional Performance Verification TestsSquare Wave Duty Cycle Verification Table D-10.Distortion Verification Distortion VerificationService Procedures Appendix D To re-secure Calibration Security CodeTo unsecure for calibration To change security code Unsecuring the Function Generator Calibration Count Calibration Message General Calibration/Adjustment Procedure Calibration Example Frequency and Burst Rate Adjustment Aborting a Calibration in Progress Function Gain and Linearity Adjustment AC Amplitude Adjustment High-Z Modulation Adjustment 182 Service Procedures AC Amplitude Adjustment 50 OhmsTable D-15.50 Ohm Adjustment Setup Appendix D Service Procedures 7.Repeat steps 4, 5 and 6 for SETUP 35 throughTable D-16.AC Amplitude 50 Ohms Adjustment Setups 8.Perform the “AC Amplitude Verification” on page DC Output Adjustment Duty Cycle Adjustment AC Amplitude Flatness Adjustment 1 kHz to 100 kHz Table D-22.AC Flatness Adjustment Setups Service ProceduresAppendix D Table D-24. Self-TestError Messages Error MessagesTable D-23.System Error Messages 188 Service Procedures Table D-25.Calibration Error Messages Service ProceduresAppendix D Test Accuracy Ratio TAR Performance Test RecordTest Limits Measurement Uncertainty MaximumValue – ExpectedReading Appendix D Model No Appendix DTest Equipment Used Description Trace No Agilent E1441A DC Function Offset Agilent E1441A Frequency AccuracyAgilent E1441A Function Gain and Linearity Appendix D Agilent E1441A AC Amplitude High Z Appendix D Agilent E1441A AC Amplitude 50 Ohms Appendix D Agilent E1441A Amplitude Flatness Agilent E1441A AM ModulationAppendix D Agilent E1441A Distortion Optional Performance Verification TestsAgilent E1441A Square Wave Duty Cycle Appendix D Appendix D Symbols Index CODE, STATe, AVERage?, CFACtor?, POINts?, PTPeak?, ALL,CATalog?, FREE?, IDN?, 124, ERRor STATe, STATe?, FM, 32, FSK, 41,OPC, 124, 126 *OPC? DELete, RST, 124, SRE?, 124, STB?, 124,DEPTh, DEPTh?, INTernal FREQuency, FUNCtion, Vpp, 25, Vrms, 25, WAI, 124,