Agilent-technologies N9340A User Manual

Agilent TechnologiesAgilent N9340A Handheld Spectrum AnalyzerUser’s Guide

1 N9340A Overview8 N9340A User’s GuideIntroductionAn Agilent N9340A is a handheld spectrum analyzer with a frequency ranges from 100 kHz to 3 GHz. The

6 SCPI Command Reference98 N9340A User’s GuideStandard NotationsA command consists of mnemonics (keywords), parameters and punctuation. Before you sta

SCPI Command Reference 6N9340A User’s Guide 99Separator• A colon “:”separates keywords of different levels.• A space separates a keyword and a paramet

6 SCPI Command Reference100 N9340A User’s GuideCommon CommandsThese commands are specified in IEEE Standard 488.2- 1992, IEEE Standard Codes, Formats

SCPI Command Reference 6N9340A User’s Guide 101CALCulate SubsystemThis subsystem is used to perform post- acquisition data processing. In effect, the

6 SCPI Command Reference102 N9340A User’s GuideControl Limit line Buzzer:CALCulate:LLINe[1]:BUZZer[:STATe] OFF|ON|0|1:CALCulate:LLINe[1]:BUZZer[:STA

SCPI Command Reference 6N9340A User’s Guide 103Control Limit Pattern Testing:CALCulate:LLINe[1]:PATTern[:STATe] OFF|ON|0|1:CALCulate:LLINe[1]:PATTer

6 SCPI Command Reference104 N9340A User’s GuideDefine Limit Pattern Values:CALCulate:LLINe[1]:DATA <x-axis>,<ampl>{,<x-axis>,<amp

SCPI Command Reference 6N9340A User’s Guide 105CALCulate:MARKer SubsectionMarkers All Off on All Traces:CALCulate:MARKer:AOFFThis command turns off al

6 SCPI Command Reference106 N9340A User’s Guidein the command. A 1 is returned only if marker count is on and the selected number is the active marker

SCPI Command Reference 6N9340A User’s Guide 107Marker Peak (Maximum) Left Search:CALCulate:MARKer[1]|2|3|4|5|6: MAXimum:LEFTThis command pl

N9340A Overview 1N9340A User’s Guide 94 Power Suite Provides one- button measurement functionality on OBW (Occupied Bandwidth), channel power, ACPR (A

6 SCPI Command Reference108 N9340A User’s Guide•Off Turns marker off.Set Center Frequency to the Marker Value:CALCulate:MARKer [1]|2|3|4|5|6[:SET]:CEN

SCPI Command Reference 6N9340A User’s Guide 109Marker to Trace:CALCulate:MARKer[1]|2|3|4|5|6:TRACe <integer>:CALCulate:MARKer[1]|2|3|4|5|6:TRAC

6 SCPI Command Reference110 N9340A User’s GuideMarker Read Y Value:CALCulate:MARKer[1]|2|3|4|5|6:Y?This command reads the current Y value for the desi

SCPI Command Reference 6N9340A User’s Guide 111DEMOdulation SubsystemThis sub tree commands are used to control the demodulation after the measure has

6 SCPI Command Reference112 N9340A User’s GuideDISPlay SubsystemThe DISPlay subsystem controls the selection and presentation of textual, graphical, a

SCPI Command Reference 6N9340A User’s Guide 113Trace Y-Axis Reference Level:DISPlay:WINDow:TRACe:Y[:SCALe]:RLEVel <ampl>:DISPlay:WINDow:TRACe:Y

6 SCPI Command Reference114 N9340A User’s GuideVertical Axis Scaling:DISPlay:WINDow:TRACe:Y[:SCALe]:SPACing LINear|LOGarithmic:DISPlay:WINDow:TRACe:Y

SCPI Command Reference 6N9340A User’s Guide 115Contrast:DISPlay:MODE:CONTrast<integer>:DISPlay:MODE:CONTrast?This command adjusts the contrast o

6 SCPI Command Reference116 N9340A User’s GuideINITiate SubsystemThe INITiate subsystem is used to control the initiation of the trigger. Refer to the

SCPI Command Reference 6N9340A User’s Guide 117•When ON at the completion of each trigger cycle, the trigger system immediately initiates another trig

1 N9340A Overview10 N9340A User’s GuideFront Panel OverviewN9340A HAN DHELD SP ECTR U M AN ALY Z ER 10 0 kHz - 3.0 GHz PRESETENTER FREQ SPAN

6 SCPI Command Reference118 N9340A User’s GuideINSTrument SubsystemThis subsystem includes commands for querying and selecting instrument measurement

SCPI Command Reference 6N9340A User’s Guide 119MEASure SubsystemProvides programming information for the keys associated with the measurements availab

6 SCPI Command Reference120 N9340A User’s GuideMain channel:MEASure:ACPR:MAIN <value>:MEASure:ACPR:MAIN?Specifies the range of integration used

SCPI Command Reference 6N9340A User’s Guide 121There are also some remote commonds which are irrelative to the front- panel keys.Main Channel PowerRet

6 SCPI Command Reference122 N9340A User’s GuideChannel Power SubsectionCenter Freq:MEASure:CHPower:CENTer <value>:MEASure:CHPower:CENTer?Sets th

SCPI Command Reference 6N9340A User’s Guide 123There are also some remote commonds which are irrelative to the front- panel keys.Channel Power and Pow

6 SCPI Command Reference124 N9340A User’s GuideSENSe SubsystemSets the instrument parameters for the input signal measurements.[:SENSe]:AVERage Subsec

SCPI Command Reference 6N9340A User’s Guide 125Tur n Aver agin g On /Off[:SENSe]:AVERage:TRACe 1|2|3|4|5|6[:STATe] OFF|ON|0|1[:SENSe]:AVERage:TRACe 1|

6 SCPI Command Reference126 N9340A User’s Guide[:SENSe]:BANDwidth SubsectionResolution Bandwidth[:SENSe]:BANDwidth|BWIDth [:RESolution] <freq>[:

SCPI Command Reference 6N9340A User’s Guide 127Video Bandwidth Automatic[:SENSe]:BANDwidth|BWIDth:VIDeo:AUTO OFF|ON|0|1[:SENSe]:BANDwidth|BWIDth:VIDeo

N9340A Overview 1N9340A User’s Guide 11Top Panel OverviewPCExt. Po w er 12-18 VD C 80 W MAXChar gingRF INPUT 50 RF O U T 5 0 EXT TRIG IN/EXT RE

6 SCPI Command Reference128 N9340A User’s Guide[:SENSe]:DETector SubsectionAutomatic Detection Type Selected[:SENSe]:DETector:TRACe [1]|2|3|4 AUTO OFF

SCPI Command Reference 6N9340A User’s Guide 129Types of Dtection[:SENSe]:DETector:TRACe [1]|2|3|4 [FUNCtion] AVERage|POSitive|SAMPle| NEGative|NORMal[

6 SCPI Command Reference130 N9340A User’s GuideCenter Frequency Step Size Automatic [:SENSe]:FREQuency:CENTer:STEP:AUTO OFF|ON|0|1 [:SENSe]:FREQuency

SCPI Command Reference 6N9340A User’s Guide 131Full Frequency Span[:SENSe]:FREQuency:SPAN:FULLThis command sets the frequency span to full scale.Zero

6 SCPI Command Reference132 N9340A User’s GuideStop Frequency[:SENSe]:FREQuency:STOP <freq>[:SENSe]:FREQuency:STOP?This command sets the stop fr

SCPI Command Reference 6N9340A User’s Guide 133[:SENSe]:POWer SubsectionInput Attenuation[:SENSe]:POWer[:RF]:ATTenuation <value>[:SENSe]:POWer[:

6 SCPI Command Reference134 N9340A User’s Guide[:SENSe]:SWEep SubsectionSweep Time [:SENSe]:SWEep:TIME <time> [:SENSe]:SWEep:TIME?This command s

SCPI Command Reference 6N9340A User’s Guide 135SYSTem SubsystemThis subsystem is used to set the controls and parameters associated with the overall s

6 SCPI Command Reference136 N9340A User’s GuideTRACe SubsystemThe TRACe subsystem controls access to the internal trace memory of the analyzer.Select

SCPI Command Reference 6N9340A User’s Guide 137TRIGer SubsystemThe TRIGer subsystem is used to set the controls and parameters associated with trigger

1 N9340A Overview12 N9340A User’s GuideDisplay Annotations1234567891012111314 Description Associated Function Key1Time and Date [SYS] > {Setting} &

6 SCPI Command Reference138 N9340A User’s GuideVideo Trigger Level Amplitude:TRIGer [:SEQuence]:VIDeo:LEVel <ampl>:TRIGer [:SEQuence]:VIDeo:LEVe

SCPI Command Reference 6N9340A User’s Guide 139UNIT SubsystemSelect Power Units of Measure:UNIT:POWer DBM|DBMV|DBUV|V|W:UNIT:POWer?This command specif

6 SCPI Command Reference140 N9340A User’s Guide

141Agilent N9340A Handheld Spectrum Analyzer User’s GuideAgilent Technologies7Erro

7 Error Messages142 N9340A User’s GuideError Message ListNOTEA symbol [F] at the beginning of an error message indicates this is an error caused by ma

Error Messages 7N9340A User’s Guide 143–220 No matched moduleIndicates no matched measurement or mode found.–200 Execution error This is a generic exe

7 Error Messages144 N9340A User’s Guide162 Cannot open fast sweep in this caseIndicates current settings do not allow you to open fast sweep. For exam

Error Messages 7N9340A User’s Guide 145147 Incorrect alignment data in EEPROMIndicates invalid alignment data occurred.143 Final IF overloadIndicates

7 Error Messages146 N9340A User’s Guide111 Error 0x2, DSP will restartIndicates an error occurred between MCU and DSP. Wait the analyzer to reboot.110

147Agilent N9340A Handheld Spectrum Analyzer User’s GuideAgilent Technologies8Menu

N9340A Overview 1N9340A User’s Guide 13Working with BatteriesUse the original battery supplied with the instrument. Installing a BatteryViewing Batter

8 Menu Map148 N9340A User’s GuideAMPTDAmplitude Ref levelAttenuationAuto ManPreampOff OnSacle/DIVSacle TypeLog LinRef OffsetY Axis UnitdBm1 dB

BW/SWPRBWVBWVBW/RBWAvg TypeSweep TimeAuto ManSweepSingle SweepAutoLog PwrPowerVoltageReturnAuto ManAuto ManAuto ManReturnSweep Single ContSw

FreqCenter FreqCF StepAuto ManStart FreqStop Freq8 Menu Map150 N9340A User’s GuideFREQ

MarkerMarkerNormalDeltaOffPeak SearchMarker ToMorePeak Auto Search1 2 3 4 5 6Next Left PKNext Right PK1 of 2To C e n t e rTo RefReturnModeAll OffMark

MEASMeasure OffSEMOBWACPRChannel PowerMethod%dBcCenter FreqInt BWChannel BWReturnCenter FreqAdj ChannelChannel SpaceMain ChannelReturnPercent dBcRetu

SPANSpanFull SpanZero SpanLast SpanDemodTriggerThe two menus enable when zero spanAMOff OnFMOff OnSpeaker VolFree RunVideoExt RiseExt FallReturn

8 Menu Map154 N9340A User’s GuideSYSSystemDisplayBrightnessContrastSetting Screen SaveFileGeneralExt InputTrig RefLanguageSave StateReturnDark LightMo

TraceTrac eClear WriteMax HoldMin HoldViewBlankMore1 2 3 4 1 of 2DetectorSave TraceAverageAutoNormalAveragePos PeakMore2 of 2Auto ManOff OnSave As

Limit TypeBeepSave PatternUpper LowerLimitLimit LineLimit PatternRecall PatternOff OnOff OnOff OnPoint 1Point 2Point 3Point 4X Axis UnitReturnS

157AAdding Option, 29Amplitude, 68Attenuation, 68Avg Type, 72BBattery, 13CCF Step, 80Checking SYS Info, 25DDisplay Adjustment, 32EESC/CLR, 78

1 N9340A Overview14 N9340A User’s GuideCharging a BatteryYou can only charge the battery when it is in the analyzer. Fully charge the battery when for

158PPeak Search, 83Power Manager, 33Preamp, 69RReference Level, 68Reference Offset, 70Res BW, 71SSaving a file, 36Saving a trace, 36Scale Type

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15Agilent N9340A Handheld Spectrum Analyzer User’s GuideAgilent Technologi

2 Getting Started16 N9340A User’s GuideChecking Shipment and Order ListWe recommend you check the shipment and order list according to following proce

Getting Started 2N9340A User’s Guide 17Power RequirementsThe AC power supply must meet the following requirements:The analyzer is equipped with a thre

Notices© Agilent Technologies, Inc. 2006No part of this manual may be reproduced in any form or by any means (including electronic storage and retriev

Plug Type Cable Part NumberPlug a DescriptionFor use in Country & Region250V 10A8121-1703 BS 1363/A Option 900United Kingdom, Hong Kong, Singapore

Getting Started 2N9340A User’s Guide 19Safety ConsiderationsAgilent has designed and tested the N9340A handheld spectrum analyzer for Measurement, Con

2 Getting Started20 N9340A User’s GuideWARNINGDanger of explosion if the battery is incorrectly replaced. Replace only with the same or equivalent typ

Getting Started 2N9340A User’s Guide 21Environmental RequirementsA N9340A is designed for use under the following conditions:• Operating temperature:

2 Getting Started22 N9340A User’s GuideInstrument MarkingsThe CE mark shows that the product complies with all relevant European Legal Directives (If

Getting Started 2N9340A User’s Guide 23Power on the Analyzer for the First TimeA N9340A is fitted with a transflective screen, which is viewable under

2 Getting Started24 N9340A User’s GuidePreparation for UseUse [SYS] hardkey to check or set the system settings of your analyzer. Setting up your N93

Getting Started 2N9340A User’s Guide 25Checking Instrument Information1 Press [SYS] > {More (1 of 3)} > {Show System} to display the system info

2 Getting Started26 N9340A User’s GuideMaking a Basic MeasurementThis section provides information on basic analyzer operations with the assumption th

Getting Started 2N9340A User’s Guide 27Viewing a Signal1 Use a signal generator to generate a continuous wave signal (1 GHz, 0 dBm).2 Press [SYS] >

11 N9340A OverviewIntroduction 8Functionality 8Enhanced Usability 9Front Panel Overview 10Top P an e l O v er v ie w 11Display Annota

2 Getting Started28 N9340A User’s GuideSome helpful tipsPerforming a time-base calibrationA N9340A provides a manual calibration function to calibrate

Getting Started 2N9340A User’s Guide 29Upgrading FirmwareA N9340A provides an easy and fast access for firmware upgrade.1 Setup a folder named N9340DA

2 Getting Started30 N9340A User’s GuideContact Agilent TechnologiesAgilent has set Sales and Service Offices around the world to provide you with comp

31Agilent N9340A Handheld Spectrum Analyzer User’s GuideAgilent Technologies3System Setting

3 System Setting32 N9340A User’s GuideVisual and Audio AdjustmentQuick Display AdjustmentThe analyzer provides you a quick adjustment on both brightne

System Setting 3N9340A User’s Guide 33System SettingIncludes general system settings, displayed language setting, and external input setting.General s

3 System Setting34 N9340A User’s GuideExt InputToggles the channel for external input between Ref and Trig. Ref refers to a 10 MHz reference signal,

System Setting 3N9340A User’s Guide 35Quick Saving StatePress [SYS] > {Setting} > {Save State} to save the current system settings and current

3 System Setting36 N9340A User’s GuideFilePressing [SYS] > {File} accesses to the menu that allows you to manage the file saving and loading of th

System Setting 3N9340A User’s Guide 37File TypeA N9340A provides six types of files and the related available operation is listed as followings:•Trace

2Setting Key Beep 32System Setting 33General system settings 33Ext Input 34File 36Saving a file 36Deleting a file 37Loading a fil

3 System Setting38 N9340A User’s GuideShow SystemDisplays the following hardware, software and battery information of your analyzer:Key Access: [SYS]

System Setting 3N9340A User’s Guide 39Show ErrorAccesses a list of the last 30 error messages reported by the analyzer. The most recent error will app

3 System Setting40 N9340A User’s GuidePerform a Time Base CalibrationAs soon as the calibration function triggers, the current measurement is interrup

System Setting 3N9340A User’s Guide 41PresetProvides known system settings for making measurements. The analyzer is able to record two types of system

3 System Setting42 N9340A User’s GuideFactory Default SettingsParameter Default SettingCenter Frequency 1.5 GHzStart Frequency 0.0 HzStop Frequency 3

43Agilent N9340A Handheld Spectrum Analyzer User’s GuideAgilent Technologies4Makin

4 Making Measurements44 N9340A User’s GuideMeasuring Multiple SignalsThis section provides information on measuring multiple signals.Comparing Signals

Making Measurements 4N9340A User’s Guide 456 Move the second marker to another signal peak using the front panel knob or by using the {Peak Search} so

4 Making Measurements46 N9340A User’s GuideResolving Signals of Equal AmplitudeIn this example a decrease in resolution bandwidth is used in combinati

Making Measurements 4N9340A User’s Guide 47If the signal peak is not present on the screen, span out to 20 MHz, set the center frequency to the first

3Figure 15. Measuring Phase Noise (2) 62One Button Measurement 63Measuring OBW 635Key ReferenceAmplitude 68Ref level 68Attenuation

4 Making Measurements48 N9340A User’s GuideResolving Small Signals Hidden by Large SignalsThis example uses narrow resolution bandwidths to resolve t

Making Measurements 4N9340A User’s Guide 49Measuring a Low-Level SignalThis section provides information on measuring low- level signals and distingui

4 Making Measurements50 N9340A User’s Guide5 Reduce the span to 1 MHz and if necessary re- center the peak.• Press [SPAN] > [1] > {MHz}.6 Set th

Making Measurements 4N9340A User’s Guide 51Decreasing the Resolution BandwidthResolution bandwidth settings affect the level of internal noise without

4 Making Measurements52 N9340A User’s GuideUsing the Average Detector and Increased Sweep TimeWhen the analyzer’s noise masks low- level signals, cha

Making Measurements 4N9340A User’s Guide 53Trace AveragingAveraging is a digital process in which each trace point is averaged with the previous avera

4 Making Measurements54 N9340A User’s GuideImproving Frequency Resolution and AccuracyUsing the frequency counter to improve frequency resolution and

Making Measurements 4N9340A User’s Guide 55Making Distortion MeasurementsThis section provides information on measuring and identifying signal distort

4 Making Measurements56 N9340A User’s Guide3 Change the center frequency to the value of the first harmonic:• Press [MARKER] > {Peak Search}.• Pre

Making Measurements 4N9340A User’s Guide 57Figure 12 Identifying Analyzer Distortion (O dB atten)Figure 13 Identifying Analyzer Distortion (10 dB

4Full 87Zero 87Last Span 87TRACE 88Trace 88Clear Write 88Max Hold 88Minimum Hold 89View 89Blank 89Detector 89Average

4 Making Measurements58 N9340A User’s GuideThird-Order Intermodulation DistortionTwo-tone, third- order intermodulation distortion is a common test in

Making Measurements 4N9340A User’s Guide 59and the analyzer input.2 Set one source (signal generator) to 300 MHz and the other source to 301 MHz, for

4 Making Measurements60 N9340A User’s Guide• Press [MARKER] > {Peak Search} > {Next Left (Right) Peak}.9 Measure the difference between this tes

Making Measurements 4N9340A User’s Guide 61Measuring Phase NoisePhase Noise is a frequency domain measure of stability. We specify phase noise as sing

4 Making Measurements62 N9340A User’s GuideFigure 14 Measuring Phase Noise (1)N9340A also provides an easy- to- use access for you to measure phase

Making Measurements 4N9340A User’s Guide 63One Button MeasurementN9340A provides one- button measurement functionality on OBW (Occupied Band Width), c

4 Making Measurements64 N9340A User’s GuideMeasuring ACPRThe adjacent channel power ratio (ACPR) measures the power ratio between the main channel pow

Making Measurements 4N9340A User’s Guide 65Measuring Channel PowerMeasures the power and power spectral density in the channel bandwidth that you spec

4 Making Measurements66 N9340A User’s GuideChannel BandwidthSets the analyzer span for the channel power measurement using the knob, the arrow keys or

67Agilent N9340A Handheld Spectrum Analyzer User’s GuideAgilent Technologies5Key Re

5FM Demodulation 111DISPlay Subsystem 112Turn the Entire Display On/Off 112Trace Y-Axis Scaling 112Trace Y-Axis Reference Level Offset

5 Key Reference68 N9340A User’s GuideAmplitudeActives the reference level function and access the associated softkeys to set functions that affect the

Key Reference 5N9340A User’s Guide 69PreampToggles the internal preamp between On and Off.Preamp results in a correction being applied to compensate f

5 Key Reference70 N9340A User’s GuideRef OffsetAdds an offset value which ranges from - 327.6 dB to +327.6 dB to the displayed reference level. Refere

Key Reference 5N9340A User’s Guide 71BW/SWPActives bandwidth function and accesses the associated softkeys to control resolution bandwidth, video band

5 Key Reference72 N9340A User’s GuideVBWChanges the analyzer post- detector filter from 3 Hz to 1 MHz in a 1, 3, 10 sequence using the knob, the step

Key Reference 5N9340A User’s Guide 73Log PwrAverages the data as appropriate for the logarithmic scaled y- axis.When average type is set to Log Pwr, “

5 Key Reference74 N9340A User’s GuideSweep TimeSelects the length of time the analyzer takes to tune across the displayed frequency span (or, in zero

Key Reference 5N9340A User’s Guide 75In FFT ModeIn FFT mode, the sweep time is auto- coupled as default. And the submenu of sweep time is invalid in F

5 Key Reference76 N9340A User’s Guide•FastActivates the fast sweep mode.Fast sweep mode provides a fast measurement function which decreases the sweep

Key Reference 5N9340A User’s Guide 77Enter• Terminates and enters into the analyzer a numerical value that has been entered from the front panel using

6Video Trigger Level Amplitude 138UNIT Subsystem 1397 Error MessagesError Message List 1428Menu MapAMPTD 148BW/SWP 149FREQ 150MARKER

5 Key Reference78 N9340A User’s GuideESC/CLRProvides mainly two types of functions as follows:Clear• Clears any numeric entry and cancels the active f

Key Reference 5N9340A User’s Guide 79FrequencyActivates the center frequency function, and accesses the menu of frequency functions. The center freque

5 Key Reference80 N9340A User’s GuideCF StepChanges the step size for the center frequency function. Once a step size has been selected and the center

Key Reference 5N9340A User’s Guide 81MarkerAccesses the marker control softkeys to select the type and number of markers. Markers are diamond- shaped

5 Key Reference82 N9340A User’s GuideDeltaActivates a second marker at the position of the first marker. (If no marker is present, two markers appear

Key Reference 5N9340A User’s Guide 83Peak SearchPlace a marker on the highest peak based on the setting of the Search Criteria as follows:•PeakPlace a

5 Key Reference84 N9340A User’s GuideMarker ToAccess the following marker function menu keys:•To CenterSets the center frequency of the analyzer to th

Key Reference 5N9340A User’s Guide 85•NoiseActive a noise readout mode for evaluating power density.Key Access: [MARKER] > {More (1 of 2)} > {Mo

5 Key Reference86 N9340A User’s GuideMeasIn the spectrum analysis mode (see “Mode" on page 84MODE), Pressing [Meas] brings up a menu of power su

Key Reference 5N9340A User’s Guide 87SpanActivates the span function and accesses the submenu of span functions. Pressing [SPAN] allows you to change

7Agilent N9340A Handheld Spectrum Analyzer User’s GuideAgilent Technologies1N9340A Overview

5 Key Reference88 N9340A User’s GuideTRACEAccesses the trace keys to store and manipulate trace information. Each trace is comprised of a series of da

Key Reference 5N9340A User’s Guide 89Minimum HoldMaintains the minimum level for each trace point of the selected trace, and updates each trace point

5 Key Reference90 N9340A User’s Guidedata controlled during that time and present a single point of trace data based on the detector mode. We call the

Key Reference 5N9340A User’s Guide 91when measuring sinusoidal (spectral) components. When Positive Peak is selected, “P” appears in the upper-left co

5 Key Reference92 N9340A User’s GuideSave TraceSaves a current trace into a file (*.DAT).The instrument adds an integer in 1, 2, 3 sequence at the rea

Key Reference 5N9340A User’s Guide 93LimitLimit LineActivates an adjustable horizontal line that is used as a visual reference line. The line, which c

5 Key Reference94 N9340A User’s GuideBeepSounds alarm as an indicator of limit fails.Key Access: [Limit]Save PatternSave the parameters of the current

95Agilent N9340A Handheld Spectrum Analyzer User’s GuideAgilent Technologies6SCPI C

6 SCPI Command Reference96 N9340A User’s GuideSCPI Language BasicsSCPI is an ASCII-based instrument command language designed for test and measurement

SCPI Command Reference 6N9340A User’s Guide 97Basic Knowledge RequirementProgramming with SCPI requires knowledge of:• Computer programming languages,