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Agilent Technologies manual DC Offset Voltage, Limits Due to Amplitude, U2761A User’s Guide

Models: U2761A

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Features and Functions

Remote Interface Operation

VOLTage {<amplitude>}

Or, you can set the amplitude by specifying a high level and low level using the following commands.

VOLTage:HIGH {<voltage>}

VOLTage:LOW {<voltage>}

You can also use the APPLy command to select the function, frequency, amplitude, and offset.

DC Offset Voltage

The default offset is 0 V for all functions.

Limits Due to Amplitude

The relation between the offset voltage and output amplitude is shown below. Vmax is the maximum peak voltage for the selected output termination (5 V for a 50 Ω load or 10 V for a high-impedance load).

Voffs et

≤ V		Vpp
≤ V	m ax	– --------
	m ax	2

If the specified offset voltage is not valid, the U2761A will automatically adjusts it to the maximum DC voltage allowed with the specified amplitude.

U2761A User’s Guide

Page 51

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Agilent Technologies manual DC Offset Voltage, Limits Due to Amplitude, Remote Interface Operation, U2761A User’s Guide

Contents

Agilent U2761A USB Modular Function/Arbitrary Waveform Generator User’s GuideAgilent Technologies C A U T I O N WarrantySafety Notices NoticesU2761A User’s Guide Safety SymbolsDo not operate the product in an explosive atmosphere or in the General Safety InformationWARN IN G C A U T I O NEnvironment Conditions RequirementsU2761A User’s Guide Regulatory Markings Waste Electrical and Electronic Equipment WEEE Directive 2002/96/EC Do not dispose in domestic household wasteU2761A User’s Guide Standard Declaration of ConformityVIII U2761A User’s GuideRegulatory Information for Canada U2761A User’s GuideAdditional Information 1Performance Criteria1 Getting Started 2 Features and Functions3 Characteristics and Specifications In This Guide…XVII ContentsInstallation Chassis InstallationFeatures and Functions ContentsTo Select PM Phase Modulation PMPhase Deviation Contents3 Characteristics and Specifications Product Specifications and CharacteristicsIndex ContentsPM waveform List of FiguresAM waveform FM waveformU2761A User’s Guide Carrier frequency for PSK Table 1-1 Synchronous Simultaneous Interface SSI connectorList of Tables U2761A User’s GuideU2761A User’s Guide XVIIIGetting Started Agilent TechnologiesAgilent U2761A USB Modular Function Generator User’s Guide Various features of the U2761A Introduction1 Getting Started U2761A User’s Guide Product at a GlanceProduct Outlook Top ViewTrigger in connector Output connector Trigger out connector Front ViewRear View USB indicator Power indicator 10 MHz reference connectorFront View Product DimensionsDimensions Without Bumpers Top View1 Getting Started Dimensions With BumpersTop View Front ViewU2761A User’s Guide Standard Purchase ItemsElectrical Check Inspection and MaintenanceGeneral Maintenance Initial InspectionU2761A User’s Guide Installation and ConfigurationInstallation N O TEA. Check Your System 1 Getting StartedHard-disk space 1 GB U2761A User’s Guide B. Install the IO Libraries SuiteN O TE N O TEC. Install the Module Driver N O TE1 Getting Started U2761A User’s Guide D. Install the Agilent Measurement ManagerN O TE 1 Getting Started10 Fill in the Customer Information Form accordingly and click Next U2761A User’s Guide E. Connect the Module to Your PCN O TE Yes, this time only and click Next to proceedU2761A User’s Guide 1 Getting StartedGo to Start Control Panel and double-click System Select Ignore to disable the warning messageN O TE follow the instructions below8 The Assign USB device alias window will appear. Each time the U2761A is plugged in, this dialog box will appear. To 1 Getting StartedF. Verify Your Module Connection N O TEU2761A User’s Guide 1 Getting Started Send Commands To This Instrumentsoftware G. Launch Your Agilent Measurement ManagerN O TE Double-click the Measurement Manager software icon onthe Agilent Measurement Manager help file For more information on how to use the Measurement Manager, refer toN O TE 1 Getting StartedGetting Started 55-Pin Backplane Connector Pin ConfigurationSSI timing signal U2761A User’s Guide1 Getting Started Chassis InstallationPhase-Shift Keying PSK Modulation Features and FunctionsOutput Configuration Phase Modulation PM2 Features and Functions Output ConfigurationIntroduction Output FunctionFunction Limitation Amplitude LimitationU2761A User’s Guide Figure 2-1 U2761A soft front panel Soft Front Panel Operation2 Features and Functions Waveform pattern selection Waveform parametersOutput Frequency Remote Interface OperationU2761A User’s Guide Soft Front Panel Operation Function LimitationsDuty Cycle Limitations 2 Features and FunctionsThe default amplitude is 1 Vpp into 50 Ω for all functions Output AmplitudeOffset Voltage Limitations Limits Due to Output TerminationFigure 2-4 Panel view of the amplitude section Limits Due to Units Selection2 Features and Functions Soft Front Panel OperationRemote Interface Operation DC Offset VoltageLimits Due to Amplitude The default offset is 0 V for all functionsFigure 2-5 Panel view of the DC offset section 2 Features and FunctionsSoft Front Panel Operation Remote Interface OperationVOLTageUNIT VPPVRMSDBM Output UnitsSoft Front Panel Operation Remote Interface Operation2 Features and Functions Output TerminationU2761A User’s Guide Soft Front Panel OperationRemote Interface Operation Figure 2-6 Panel view of the Tools menu2 Features and Functions Duty Cycle Square WavesDuty Cycle Limits Due to FrequencyU2761A User’s Guide Soft Front Panel OperationRemote Interface Operation Figure 2-8 Panel view of the duty cycle section0% Symmetry Symmetry Ramp Wave2 Features and Functions Soft Front Panel OperationFigure 2-11 Panel view of the output section Output ControlRemote Interface Operation Soft Front Panel OperationExample 1, To output a DC voltage Set Output Using SCPI Commands2 Features and Functions Remote Interface OperationExample 2, To output a Sine wave Example 3, To output a Square waveU2761A User’s Guide Example 4, To output a Ramp wave 2 Features and FunctionsRemote Interface Operation Pulse WaveformPulse Period Soft Front Panel OperationRemote Interface Operation Pulse Width2 Features and Functions Soft Front Panel OperationDuty Cycle = 100 ⋅ Pulse Width / Period Pulse Duty CycleSoft Front Panel Operation Remote Interface OperationGenerate Pulse Waveform Using SCPI Commands 2 Features and FunctionsExample Amplitude Modulation AM To Select AMU2761A User’s Guide Remote Interface Operation Carrier Waveform2 Features and Functions Soft Front Panel OperationTable 2-3 Carrier frequency for AM Carrier FrequencyRemote Interface Operation Figure 2-16 Panel view of the Arbitrary waveformSoft Front Panel Operation Modulating Waveform2 Features and Functions The default modulating waveform is Sine waveN O TE Modulating Waveform FrequencyModulation Depth default modulation depth is 100%Generate AM Using SCPI Commands 2 Features and FunctionsExample Frequency Modulation FM To Select FMU2761A User’s Guide Remote Interface Operation 2 Features and FunctionsCarrier Waveform Soft Front Panel OperationU2761A User’s Guide Carrier FrequencyRemote Interface Operation Table 2-4 Carrier frequency for FMRemote Interface Operation 2 Features and FunctionsModulating Waveform Soft Front Panel OperationRemote Interface Operation Frequency DeviationModulating Waveform Frequency Soft Front Panel OperationRemote Interface Operation Generate FM Using SCPI Commands2 Features and Functions Soft Front Panel OperationPhase Modulation PM To Select PMU2761A User’s Guide Remote Interface Operation 2 Features and FunctionsCarrier Waveform Soft Front Panel OperationRemote Interface Operation Carrier FrequencyRemote Interface Operation Soft Front Panel OperationModulating Waveform Frequency 2 Features and FunctionsThe default waveform is Sine wave Modulating WaveformSoft Front Panel Operation Phase DeviationGenerate PM Using SCPI Commands 0 to 360 . The default phase deviation setting isFrequency-Shift Keying FSK Modulation To Select FSK Modulation2 Features and Functions Soft Front Panel Operation Carrier WaveformSoft Front Panel Operation Remote Interface OperationSoft Front Panel Operation FSK Carrier Frequency2 Features and Functions Remote Interface Operationfrequency is 100 Hz for all functions FSK “Hop” FrequencySoft Front Panel Operation Remote Interface OperationSoft Front Panel Operation Generate FSK Modulation Using SCPI CommandsFSK Rate 2 Features and FunctionsPhase-Shift Keying PSK Modulation To Select PSK ModulationU2761A User’s Guide Remote Interface Operation 2 Features and FunctionsCarrier Waveform Soft Front Panel OperationRemote Interface Operation PSK Carrier FrequencyRemote Interface Operation Soft Front Panel OperationSoft Front Panel Operation PSK RatePSK Deviation 2 Features and FunctionsGenerate PSK Modulation Using SCPI Commands ExampleU2761A User’s Guide Amplitude-Shift Keying ASK Modulation To Select ASK Modulation2 Features and Functions Soft Front Panel Operation Carrier WaveformSoft Front Panel Operation Remote Interface OperationSoft Front Panel Operation 2 Features and FunctionsCarrier Frequency Remote Interface OperationRemote Interface Operation Generate ASK Modulation Using SCPI CommandsASK Rate Soft Front Panel OperationSoft Front Panel Operation Frequency SweepTo Select Sweep 2 Features and FunctionsFigure 2-28 Panel view of sweep Start Frequency and Stop FrequencyRemote Interface Operation Soft Front Panel OperationRemote Interface Operation Sweep ModeSweep Time 2 Features and FunctionsSoft Front Panel Operation Sweep Trigger SourceSoft Front Panel Operation Remote Interface OperationExample Set Frequency Sweep Using SCPI Commands2 Features and Functions Remote Interface OperationU2761A User’s Guide TriggeringTrigger Source Choices Soft Front Panel OperationRemote Interface Operation Internal TriggeringManual Triggering 2 Features and FunctionsRemote Interface Operation External TriggeringRemote Interface Operation Soft Front Panel OperationTrigger in Rising edge shown Figure 2-29 Trigger input pulse Trigger Input SignalTrigger Output Signal 2 Features and FunctionsU2761A User’s Guide Soft Front Panel OperationRemote Interface Operation falling edge, select Positive for rising edge andSet Triggering Using SCPI Commands 2 Features and FunctionsExample Arbitrary Waveforms To Create and Store an Arbitrary WaveformU2761A User’s Guide 3 Set the waveform voltage limits 2 Features and Functions1 Select the Arbitrary waveform function 2 Set the waveform period9 Exiting the waveform editor 6 Start waveform editing process7 Sending waveform to the U2761A 8 Saving the waveformU2761A User’s Guide 2 Features and FunctionsAgilent U2761A USB Modular Function Generator User’s Guide Characteristics and SpecificationsProduct Characteristics Product Specifications and Characteristics Agilent TechnologiesSAFETY COMPLIANCE Product Characteristics3 Characteristics and Specifications POWER CONSUMPTIONSquare Product Specifications and CharacteristicsWAVEFORM CHARACTERISTICS Sine WAVEFORMS3 Characteristics and Specifications Ramp, TrianglePulse ArbitraryInternal frequency reference COMMON CHARACTERISTICS AmplitudeDC offset Main output3 Characteristics and Specifications MODULATION AMU2761A User’s Guide SWEEP CHARACTERISTICSTRIGGER CHARACTERISTICS Trigger input Trigger outputU2761A User’s Guide 3 Characteristics and SpecificationsU2761A User’s Guide Indexoffset. Refer to DC offset phase noise PMlimits L-Mount kit 7Agilent Technologies, Inc First Edition, April 30 U2761-90000