Agilent Technologies N9340A Manual do Utilizador

Agilent N9340A Handheld Spectrum AnalyzerUser’s Guide

6Trigger Source 139UNIT Subsystem 1417Error MessagesError Message List 1448 Menu MapAMPTD 150BW/SWP 151FREQ 152MARKER 153MEAS

5Key Reference90 N9340A User’s GuideTRACEAccesses the trace keys to store and manipulate trace information. Each trace comprises a series of data poin

Key Reference 5N9340A User’s Guide 91Minimum HoldMaintains the minimum level for each trace point of the selected trace, and updates each trace point

5Key Reference92 N9340A User’s Guidedata evaluated during that time and present a single point of trace data based on the detector mode. We call the i

Key Reference 5N9340A User’s Guide 93•Pos PeakObtains the maximum video signal between the last display point and the present display point and stores

5Key Reference94 N9340A User’s Guide• Any related parameter (e.g., center frequency) is changed.Press Average (Off) to turn off averaging. The numbe

Key Reference 5N9340A User’s Guide 95LimitLimit LineActivates an adjustable horizontal line that is used as a visual reference line. The line, which c

5Key Reference96 N9340A User’s GuideBeepSounds alarm as an indicator of limit fails.Key access: [Limit]Save PatternSaves the parameters of the current

97Agilent N9340A Handheld Spectrum AnalyzerAgilent Technologies6SCPI Command Referen

6 SCPI Command Reference98 N9340A User’s GuideSCPI Language BasicsSCPI is an ASCII- based instrument command language designed for test and measuremen

SCPI Command Reference 6N9340A User’s Guide 99Basic Knowledge RequirementProgramming with SCPI requires knowledge of:• Computer programming languages,

1Agilent N9340A Handheld Spectrum AnalyzerAgilent Technologies1N9340A Overview

6 SCPI Command Reference100 N9340A User’s GuideStandard NotationsA command consists of mnemonics (keywords), parameters and punctuation. Before you st

SCPI Command Reference 6N9340A User’s Guide 101Separator• A colon “:” separates keywords of different hiberarchy.• A space separates a keyword and a p

6 SCPI Command Reference102 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 103CALCulate SubsystemThis subsystem is used to perform post- acquisition data processing. In effect, the

6 SCPI Command Reference104 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 105Control Limit Pattern Testing:CALCulate:LLINe[1]:PATTern[:STATe] OFF|ON|0|1:CALCulate:LLINe[1]:PATTer

6 SCPI Command Reference106 N9340A User’s GuideDefine Limit Pattern Values:CALCulate:LLINe[1]:DATA <x-axis>,<ampl>{,<x-axis>,<amp

SCPI Command Reference 6N9340A User’s Guide 107CALCulate:MARKer SubsectionMarkers All Off on All Traces:CALCulate:MARKer:AOFFThis command turns off al

6 SCPI Command Reference108 N9340A User’s GuideMarker Function:CALCulate:MARKer[1]|2|3|4|5|6:FUNCtion FCOunt|NOISe|OFF:CALCulate:MARKer[1]|2|3|4|5|6:

SCPI Command Reference 6N9340A User’s Guide 109This command places the selected marker on the next highest signal peak to the right of the current mar

1 N9340A Overview2 N9340A User’s GuideIntroductionAn Agilent N9340A is a handheld spectrum analyzer with a frequency range from 100 kHz to 3 GHz, tuna

6 SCPI Command Reference110 N9340A User’s Guidemode, the center frequency is set to the marker delta value. This command is not available in zero span

SCPI Command Reference 6N9340A User’s Guide 111Marker readout: X Value:CALCulate:MARKer[1]|2|3|4|5|6:X <para>:CALCulate:MARKer[1]|2|3|4|5|6:X?Th

6 SCPI Command Reference112 N9340A User’s GuideDEMOdulation SubsystemThis sub tree commands are used to control the demodulation after the measure has

SCPI Command Reference 6N9340A User’s Guide 113DISPlay SubsystemThe DISPlay subsystem controls the selection and presentation of textual, graphical, a

6 SCPI Command Reference114 N9340A User’s GuideTrace Y-Ax is Reference Leve l:DISPlay:WINDow:TRACe:Y[:SCALe]:RLEVel <ampl>:DISPlay:WINDow:TRAC

SCPI Command Reference 6N9340A User’s Guide 115Vertical Axis Scaling:DISPlay:WINDow:TRACe:Y[:SCALe]:SPACing LINear|LOGarithmic:DISPlay:WINDow:TRACe:Y

6 SCPI Command Reference116 N9340A User’s GuideContrast:DISPlay:MODE:CONTrast<integer>:DISPlay:MODE:CONTrast?This command adjusts the contrast o

SCPI Command Reference 6N9340A User’s Guide 117INITiate SubsystemThe INITiate subsystem is used to control the initiation of the trigger. Refer to the

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

N9340A Overview 1N9340A User’s Guide 34 Power Suite Provides one- button measurement functionality on OBW (Occupied Bandwidth), channel power, and ACP

6 SCPI Command Reference120 N9340A User’s GuideSpecifies the range of integration used in calculating the power in the main channel. Use the knob and

SCPI Command Reference 6N9340A User’s Guide 121Low Adjacent Channel Power RatioReturn the lower adjacent channel power to main channel power ratio.:ME

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

SCPI Command Reference 6N9340A User’s Guide 123SENSe SubsystemSets the instrument parameters for the input signal measurements.[:SENSe]:AVERage Subsec

6 SCPI Command Reference124 N9340A User’s GuideTurn Averaging On/Off[:SENSe]:AVERage:TRACe 1|2|3|4|5|6[:STATe] OFF|ON|0|1[:SENSe]:AVERage:TRACe 1|2|3|

SCPI Command Reference 6N9340A User’s Guide 125[:SENSe]:BANDwidth SubsectionResolution Bandwidth[:SENSe]:BANDwidth|BWIDth[:RESolution] <freq>[:S

6 SCPI Command Reference126 N9340A User’s GuideVideo Bandwidth Automatic[:SENSe]:BANDwidth|BWIDth:VIDeo:AUTO OFF|ON|0|1[:SENSe]:BANDwidth|BWIDth:VIDeo

SCPI Command Reference 6N9340A User’s Guide 127[:SENSe]:DETector SubsectionAutomatic Detection Type Selected[:SENSe]:DETector:TRACe[1]|2|3|4 AUTO OFF|

6 SCPI Command Reference128 N9340A User’s GuideTypes of Dtection[:SENSe]:DETector:TRACe[1]|2|3|4 [FUNCtion] AVERage|POSitive|SAMPle| NEGative|NORMal[:

SCPI Command Reference 6N9340A User’s Guide 129This command specifies whether the step size is set automatically based on the span.Center Frequency St

1 N9340A Overview4 N9340A User’s GuideFront Panel OverviewN9340A HANDHELD SPECTRUM AN ALYZER 100 kHz - 3.0 GHz PRESETENTER FREQ SPANAMPTDBW/SWPS

6 SCPI Command Reference130 N9340A User’s GuideZero Frequency Span[:SENSe]:FREQuency:SPAN:ZEROThis command sets the frequency span to zero.Last Freque

SCPI Command Reference 6N9340A User’s Guide 131[:SENSe]:POWer SubsectionInput Attenuation[:SENSe]:POWer[:RF]:ATTenuation <para>[:SENSe]:POWer[:R

6 SCPI Command Reference132 N9340A User’s GuideSWEep SubsectionSweep Time [:SENSe]:SWEep:TIME <time> [:SENSe]:SWEep:TIME?This command specifies

SCPI Command Reference 6N9340A User’s Guide 133SYSTem SubsystemThis subsystem is used to set the controls and parameters associated with the overall s

6 SCPI Command Reference134 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 135Tracking Generator SubsystemThe tracking generator subsystem controls the use tracking generator functi

6 SCPI Command Reference136 N9340A User’s GuideAmplitude Step:TGENerator:AMPLitude:STEP <ampt>:TGENerator:AMPLitude:STEP?This command sets the a

SCPI Command Reference 6N9340A User’s Guide 137Storing as reference:TGENerator:NORMalize:REFThis command stores the current trace to Trace 4 as a refe

6 SCPI Command Reference138 N9340A User’s GuideNormalization Reference Position:TGENerator:NORMalize:POSN <para>:TGENerator:NORMalize:POSN?This

SCPI Command Reference 6N9340A User’s Guide 139TRIGer SubsystemTrigger subsystem is only valid when the analyzer is in zero span.External Trigger Slop

N9340A Overview 1N9340A User’s Guide 5Top Panel OverviewPCExt . Pow er 12-18 VDC 80 W MAXCha rgi ngRF INPUT 50 RF OU T 5 0 EXT TRIG IN/EXT REF I

6 SCPI Command Reference140 N9340A User’s GuideVideo Trigger Level Amplitude:TRIGer[:SEQuence]:VIDeo:LEVel <ampl>:TRIGer[:SEQuence]:VIDeo:LEVe?T

SCPI Command Reference 6N9340A User’s Guide 141UNIT SubsystemSelects a power unit for measurement.:UNIT:POWer DBM|DBMV|DBUV|V|W:UNIT:POWer?This comman

6 SCPI Command Reference142 N9340A User’s Guide

143Agilent N9340A Handheld Spectrum AnalyzerAgilent Technologies7Error Messages

7 Error Messages144 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 145–220 No matched moduleIndicates no matched measurement or mode found.–200 Execution error This is a generic exe

7 Error Messages146 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 147130 Meas uncal Indicates the measurement is uncalibrated due to fast sweeping through a narrow RBW filter. Chec

7 Error Messages148 N9340A User’s Guide

149Agilent N9340A Handheld Spectrum Analyzer Agilent Technologies8Menu Map.

1 N9340A Overview6 N9340A User’s GuideDisplay Annotations1234567891012111314 Description Associated Function Key1Time and Date [SYS] > {Setting} &g

8Menu Map150 N9340A User’s GuideAMPTDAmplitude Ref levelAttenuationAuto ManPreampOff OnScale/DIVScale TypeLog LinRef OffsetY Axis UnitdBm1 dB/DI

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

FreqCenter FreqCF StepAuto ManStart FreqStop Freq8Menu Map152 N9340A User’s GuideFREQ

MarkerMarkerNormalDeltaOffPeak SearchMarker ToMorePeak Auto Search1 2 3 4 5 6Next Left PKNext Right PK1 of 2To C e n t erTo R e fReturnModeAll OffMa

MEASMeasure OffSpectrum MaskOBWACPRChannel PowerMethod%dBcCenter FreqInt BWChannel BWReturnCenter FreqAdj ChannelChannel SpaceMain ChannelReturnPercen

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

8Menu Map156 N9340A User’s GuideSYSSystemDisplayBrightnessContrastSetting Screen SaveFileGeneralExt InputTrig RefLanguageSave SetupReturnNormal LightM

TraceTraceClear WriteMax HoldMin HoldViewBlankMore1 2 3 4 1 of 2DetectorSave TraceAverageAutoNormalAveragePos PeakMore2 of 2Auto ManOff OnSave AsR

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

159AAdding Option, 23Amplitude, 70Attenuation, 70Avg Type, 74BBattery, 7CCF Step, 82Checking SYS Info, 19DDisplay Adjustment, 56EESC/CLR, 80E

N9340A Overview 1N9340A User’s Guide 7Working with BatteriesUse the original battery supplied with the instrument or a genuine equivalent replacement

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www.agilent.com© Agilent Technologies, Inc. 2007Printed in China April 2007*N9340-90001*N9340-90001

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1 N9340A Overview8 N9340A User’s GuideCharging a BatteryYou can only charge the battery when it is in the analyzer either in operating or when the ana

9Agilent N9340A Handheld Spectrum AnalyzerAgilent Technologies2Getting Star

Notices© Agilent Technologies, Inc. 2007No part of this manual may be reproduced in any form or by any means (including electronic storage and retriev

2 Getting Started10 N9340A User’s GuideChecking Shipment and Order ListWe recommend you check the shipment and order list according to the following p

Getting Started 2N9340A User’s Guide 11Power RequirementsThe AC power supply must meet the following requirements:The analyzer is equipped with a thre

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 13Safety ConsiderationsAgilent has designed and tested the N9340A handheld spectrum analyzer for Measurement, Con

2 Getting Started14 N9340A User’s GuideWARNINGDanger of explosion if the battery is incorrectly replaced. Replace only with the same type recommended.

Getting Started 2N9340A User’s Guide 15Environmental RequirementsA N9340A is designed for use under the following conditions:• Operating temperature:

2 Getting Started16 N9340A User’s Guideindustry accepted techniques for handling static sensitive devices should attempt to service circuitry with the

Getting Started 2N9340A User’s Guide 17Powering on the Analyzer for the First TimeA N9340A is fitted with a transflective screen, which is viewable un

2 Getting Started18 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 19Checking Instrument Information1 Press [SYS] > {More (1 of 3)} > {Show System} to display the system info

Notices© Agilent Technologies, Inc. 2007No part of this manual may be reproduced in any form or by any means (including electronic storage and retriev

2 Getting Started20 N9340A User’s GuideMaking a Basic MeasurementThis section provides information on basic analyzer operations with the assumption th

Getting Started 2N9340A User’s Guide 21Viewing a Signal1 Use a signal generator to generate a continuous- wave signal (1 GHz, 0 dBm).2 Press [SYS] >

2 Getting Started22 N9340A User’s GuideSome helpful tipsPerforming a time-base calibrationA N9340A provides a manual calibration function to calibrate

Getting Started 2N9340A User’s Guide 23Upgrading FirmwareA N9340A provides an easy and fast access for firmware update.1 Set up a folder named N9340DA

2 Getting Started24 N9340A User’s GuideContact Agilent TechnologiesAgilent has Sales and Service Offices around the world to provide you with complete

25Agilent N9340A Handheld Spectrum Analyzer3Making Measurements

3 Making Measurements26 N9340A User’s GuideMeasuring Multiple SignalsThis section provides information on measuring multiple signals.Comparing Signals

Making Measurements 3N9340A User’s Guide 276 Move the second marker to another signal peak using the front panel knob or by using the {Peak Search} s

3 Making Measurements28 N9340A User’s GuideResolving Signals of Equal AmplitudeIn this example a decrease in resolution bandwidth is used in combinati

Making Measurements 3N9340A User’s Guide 29Use the knob or the arrow keys to further reduce the resolution bandwidth and better resolve the signals.As

CAU-CAUTIONA CAUTION notice denotes a hazard. It calls attention to an operating procedure, practice, or the like that, if not correctly performed or

3 Making Measurements30 N9340A User’s GuideResolving Small Signals Hidden by Large SignalsThis example uses narrow resolution bandwidths to resolve t

Making Measurements 3N9340A User’s Guide 31Measuring a Low-Level SignalThis section provides information on measuring low-level signals and distinguis

3 Making Measurements32 N9340A User’s Guide5 Reduce the span to 1 MHz and if necessary re- center the peak.• Press [SPAN] > [1] > {MHz}.6 Set t

Making Measurements 3N9340A User’s Guide 33Decreasing the Resolution BandwidthResolution bandwidth settings affect the level of internal noise without

3 Making Measurements34 N9340A User’s GuideUsing the Average Detector and Increased Sweep TimeWhen the analyzer’s noise masks low- level signals, cha

Making Measurements 3N9340A User’s Guide 35Trace AveragingAveraging is a digital process in which each trace point is averaged with the previous avera

3 Making Measurements36 N9340A User’s GuideImproving Frequency Resolution and AccuracyUsing the frequency counter to improve frequency resolution and

Making Measurements 3N9340A User’s Guide 37Making Distortion MeasurementsThis section provides information on measuring and identifying signal distort

3 Making Measurements38 N9340A User’s Guide• Press [MARKER] > {Peak Search}.• Press [MARKER] > {Marker To} > {To Center}.4 Change the span t

Making Measurements 3N9340A User’s Guide 39Figure 14 Identifying Analyzer Distortion (O dB atten)8 Press [AMPTD] > {Attenuation} > 10 > {dB

11 N9340A OverviewIntroduction 2Functionality 2Optimized Usability 3Front Panel Overview 4Top Panel Overview 5Display Annotations 6W

3 Making Measurements40 N9340A User’s GuideThird-Order Intermodulation DistortionTwo- tone, third- order intermodulation distortion is a common test i

Making Measurements 3N9340A User’s Guide 41and the analyzer input.2 Set one source (signal generator) to 300 MHz and the other source to 301 MHz, for

3 Making Measurements42 N9340A User’s Guide• Press [MARKER] > {Peak Search} > {Next Left (Right) Peak}.9 Measure the difference between this te

Making Measurements 3N9340A User’s Guide 43One-button Power MeasurementN9340A provides one- button measurement functionality on OBW (Occupied Band Wid

3 Making Measurements44 N9340A User’s GuideMeasuring ACPRThe adjacent channel power ratio (ACPR) measures the power ratio between the main channel pow

Making Measurements 3N9340A User’s Guide 45Measuring Channel PowerMeasures the power and power spectral density in the channel bandwidth that you spec

3 Making Measurements46 N9340A User’s GuideChannel BandwidthSets the analyzer span for the channel power measurement using the knob, the arrow keys or

Making Measurements 3N9340A User’s Guide 47Making a Stimulus Response Transmission MeasurementThe procedure below describes how to use a built- in tra

3 Making Measurements48 N9340A User’s Guide5 Press [Sweep] > {Sweep Time (Auto)} to put the sweep time into stimulus response auto coupled mode. 6

Making Measurements 3N9340A User’s Guide 49Measuring Stop Band Attenuation of a Low-pass FilterWhen measuring filter characteristics, it is useful to

2Measuring a Low-Level Signal 31Improving Frequency Resolution and Accuracy 36Making Distortion Measurements 37One-button Power Measurement

3 Making Measurements50 N9340A User’s GuidePress [MEAS] > {Normalize} > {Store Ref} (1 → 4) > {Normalize (On)}8 Reconnect the DUT to the anal

Making Measurements 3N9340A User’s Guide 51Making a Reflection Calibration MeasurementThe following procedure makes a reflection measurement using a c

3 Making Measurements52 N9340A User’s Guide2 Connect the tracking generator output of the analyzer to the directional bridge or coupler.3 Connect the

Making Measurements 3N9340A User’s Guide 53Figure 21 Short Circuit Normalized

3 Making Measurements54 N9340A User’s GuideMeasuring Return Loss Using the Reflection Calibration RoutineThis procedure uses the reflection calibratio

55Agilent N9340A Handheld Spectrum AnalyzerAgilent Technologies4System Setting

4System Setting56 N9340A User’s GuideVisual and Audio AdjustmentQuick Display AdjustmentThe analyzer provides you a quick adjustment for both brightne

System Setting 4N9340A User’s Guide 57System SettingIncludes general system settings, displayed language setting, and external input setting.General s

4System Setting58 N9340A User’s GuideExt InputToggles the channel for external input between Ref and Trig. Ref refers to a 10 MHz reference signal;

System Setting 4N9340A User’s Guide 59Quick saving or loading a system setupQuick saving a setupPress [SYS] > {Setting} > {Save Setup} to save

3Y Axis Units 72BW/SWP 73RBW 73VBW 74VBW/RBW 74Avg Type 74Sweep Time 76Sweep 77Enter 79ESC/CLR 80Frequency 81Center F

4System Setting60 N9340A User’s GuideFilePressing [SYS] > {File} accesses to the menu that allows you to manage the file saving and loading.File T

System Setting 4N9340A User’s Guide 61Saving a fileRefer to the following three steps to save a file:1 Press [SYS] > {File} > {File setup} to se

4System Setting62 N9340A User’s Guide3 Press [ESC], [Save] to save a trace or a screen copy to your pre-defined memory. The trace or screen will be au

System Setting 4N9340A User’s Guide 63Deleting a file1 Press [SYS] > {File} > {View} to select a directory.2 Press [SYS] > {File} > {File

4System Setting64 N9340A User’s GuideShow SystemDisplays the following hardware, software and battery information of your analyzer:Key Access: [SYS] &

System Setting 4N9340A User’s Guide 65Show ErrorAccesses a list of the 30 most recent error messages reported by the analyzer. The most recent error w

4System Setting66 N9340A User’s GuidePerform a Time Base CalibrationAs soon as the calibration function triggers, it interrupts the current measuremen

System Setting 4N9340A User’s Guide 67Factory Default SettingsFor more information about saving a user- defined preset, refer to “Selecting a preset t

4System Setting68 N9340A User’s Guide

69Agilent N9340A Handheld Spectrum AnalyzerAgilent Technologies5Key Reference

4Save Trace 94Save As 94Recall Trace 94Limit 95Limit Line 95Limit Pattern 95Set Pattern 95Limit Type 95Beep 96Save Pattern

5Key Reference70 N9340A User’s GuideAmplitudeActivates the reference level function and access the associated softkeys to set functions that affect th

Key Reference 5N9340A User’s Guide 71PreampToggles the internal preamp between On and Off.Preamp results in a correction being applied to compensate f

5Key Reference72 N9340A User’s GuideRef OffsetAdds an offset value which ranges from - 327.6 dB to +327.6 dB to the displayed reference level. Referen

Key Reference 5N9340A User’s Guide 73BW/SWPActivates the bandwidth function and accesses the associated softkeys to control resolution bandwidth, vide

5Key Reference74 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 75Log PwrAverages the data as appropriate for the logarithmic scaled y axis.When average type is set to Log Pwr, “L

5Key Reference76 N9340A User’s GuideSweep TimeSelects the length of time the analyzer takes to tune across the displayed frequency span (or, in zero s

Key Reference 5N9340A User’s Guide 77In FFT ModeIn FFT mode, the sweep time is auto- coupled as default. And the submenu of sweep time is invalid in F

5Key Reference78 N9340A User’s Guide•FastActivates the fast sweep mode.Fast sweep mode provides a fast measurement function that decreases the sweep t

Key Reference 5N9340A User’s Guide 79Enter• Terminates date entry and enters into the analyzer a numerical value keyed from numeric keypad on the fron

5Initiate a single sweep 117INSTrument Subsystem 118Select One button measurement 118MEASure Subsystem 119OBW Subsection 119ACPR Subsec

5Key Reference80 N9340A User’s GuideESC/CLRProvides mainly two types of functions:Clear• Clears any numeric entry and cancels the active function.• Cl

Key Reference 5N9340A User’s Guide 81FrequencyActivates the center frequency function, and accesses the menu of frequency functions. The center freque

5Key Reference82 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 83MarkerAccesses the marker control softkeys to select the type and number of markers. Markers are diamond- shaped

5Key Reference84 N9340A User’s GuideDeltaActivates a second marker at the position of the first marker. (If no marker is present, two markers appear a

Key Reference 5N9340A User’s Guide 85Peak SearchPlace a marker on the highest peak based on the setting of the Search Criteria as follows:•PeakPlace a

5Key Reference86 N9340A User’s GuideMarker ToAccesses the following marker function menu keys:•To CenterSets the center frequency of the analyzer to t

Key Reference 5N9340A User’s Guide 87•NoiseActivates a noise readout mode for evaluating power density.Key access: [MARKER] > {More (1 of 2)} >

5Key Reference88 N9340A User’s GuideMeasIn spectrum analysis mode, pressing [Meas] brings up the menu for a suite of power measurements such as adjac

Key Reference 5N9340A User’s Guide 89SpanActivates the span function and accesses the submenu of span functions. Pressing [SPAN] allows you to change