Agilent Technologies N9320A Podręcznik Użytkownika

Agilent N9320ASpectrum AnalyzerUser’s Guide

2 N9320A Spectrum Analyzer1OverviewAgilent N9320A at a GlanceAn Agilent N9320A spectrum analyzer is a swept portable spectrum analyzer with a freq

92 N9320A Spectrum Analyzer4 Key ReferenceSignal TrackOn OffMoves the signal that is nearest to the active marker to the center of the display and kee

Key Reference 4N9320A Spectrum Analyzer 93MarkerAccesses the marker control softkeys that select the type and number of markers. Markers are diamond-

94 N9320A Spectrum Analyzer4 Key ReferenceOff Turns off the selected marker by the Select Marker key. Off also turns off the related functions such

Key Reference 4N9320A Spectrum Analyzer 95All Off Turns off all of the markers, including markers used for signal track. This also removes marker anno

96 N9320A Spectrum Analyzer4 Key ReferenceFor more details on how to measure the phase noise of a signal, please refer to “Measuring Phase Noise” on p

Key Reference 4N9320A Spectrum Analyzer 97Marker->Press accesses the following marker function softkeys:Mkr CF Sets the frequency of the marker t

98 N9320A Spectrum Analyzer4 Key ReferenceMeasIn the Spectrum Analyer mode (see MODE), Meas key displays a menu for measurements such as adjacent chan

Key Reference 4N9320A Spectrum Analyzer 99MODESelects the measurement mode of your analyzer. Spectrum Analyser mode is the default mode and is for ge

100 N9320A Spectrum Analyzer4 Key ReferenceAmptd StepAuto ManAllows you to set the step size of the power level range of the tracking generator. The d

Key Reference 4N9320A Spectrum Analyzer 101with a tracking generator. For example, connect the cables and a thru line, in place of the device to be me

Overview 1N9320A Spectrum Analyzer 3Front Panel OverviewThis section provides the information of the front panel.1Screen shows information of the cu

102 N9320A Spectrum Analyzer4 Key ReferenceRef TraceView BlankAllows you to view or blank the reference trace on the display.Key access: > Trackin

Key Reference 4N9320A Spectrum Analyzer 103Peak SearchPlaces a marker on the highest peak based on the settings of the “Search Criteria” on page 104.

104 N9320A Spectrum Analyzer4 Key ReferenceMin Search Moves the active marker to the minimum detected amplitude.Key access: Pk-Pk Search Finds and d

Key Reference 4N9320A Spectrum Analyzer 105Peak Excursion Sets the minimum amplitude variation of signals that the marker identifies as a peak. If a v

106 N9320A Spectrum Analyzer4 Key ReferencePeak Table Accesses the following Peak Table softkeys to set a peak table.Key access: > MoreMax Value

Key Reference 4N9320A Spectrum Analyzer 107Preset/SystemAccesses the Preset and System softkeys. When the analyzer is in the remote mode, pressing r

108 N9320A Spectrum Analyzer4 Key ReferenceFactory Preset StateAttenuation 20 dB(Auto) Average Type Video (Auto)Center frequency 1.5 GHz Averaging 1(O

Key Reference 4N9320A Spectrum Analyzer 109Pwr on/Preset Accesses the following softkeys for the preset settings.Key access: Alignment Accesses the

110 N9320A Spectrum Analyzer4 Key ReferenceLanguage Accesses the softkeys for selecting the screen menu language.Key access: Diagnostics Accesses the

Key Reference 4N9320A Spectrum Analyzer 111Show Errors Accesses a list of the last 100 errors reported. The most recent error will appear at the botto

4 N9320A Spectrum Analyzer1Overview• Preset/System (Local) accesses the softkeys to reset the analyzer to a known state, if the analyzer is in the re

112 N9320A Spectrum Analyzer4 Key ReferenceLicensing Accesses the security system to enable licensing for individual options. There is no way to turn

Key Reference 4N9320A Spectrum Analyzer 113SPANActivates the span function and accesses the submenu of span functions. Pressing changes the frequenc

114 N9320A Spectrum Analyzer4 Key ReferenceSweep/TrigAccesses the following softkeys to provide selection of the sweep mode and trigger mode of the an

Key Reference 4N9320A Spectrum Analyzer 115Free Run New sweep starts as soon as possible after the current sweep ends.Key access: > MoreVideo Act

116 N9320A Spectrum Analyzer4 Key ReferenceView/TraceAccesses the trace keys to store and manipulate trace information. Each trace consists of a serie

sAgilent N9320A Spectrum AnalyzerUser’s Guide1175One-Button MeasurementsChannel Power 118Occupied BW 120ACP 123Intermod (TOI) 126Spectrum Emission Ma

118 N9320A Spectrum Analyzer5 One-Button MeasurementsChannel PowerChannel Power measures the power and power spectral density in the specified channel

One-Button Measurements 5N9320A Spectrum Analyzer 119Avg NumberOn OffSpecifies the number of measurement averages used when calculating the measuremen

120 N9320A Spectrum Analyzer5 One-Button MeasurementsOccupied BWOccupied Bandwidth integrates the power of the displayed spectrum. The power- bandwidt

One-Button Measurements 5N9320A Spectrum Analyzer 121is defined as the difference between the (f1 + f2)/2 and the tuned center frequency of the signal

Overview 1N9320A Spectrum Analyzer 58RF INconnector is the signal input for the analyzer. The maximum damage level is average continuous power +40 dB

122 N9320A Spectrum Analyzer5 One-Button MeasurementsOBW Span Specifies the range of integration used in calculating the total power from which the pe

One-Button Measurements 5N9320A Spectrum Analyzer 123ACPAdjacent Channel Power (ACP) measures the power present in adjacent transmit channels. The spa

124 N9320A Spectrum Analyzer5 One-Button Measurementsweights new data more than old data, which facilitates tracking of slow- changing signals. The av

One-Button Measurements 5N9320A Spectrum Analyzer 125Meas Type Specifies the reference for the measurement, either Tota l Pw r Ref or PSD Ref. Relat

126 N9320A Spectrum Analyzer5 One-Button MeasurementsIntermod (TOI)The third order intermodulation (TOI) measurement computes and displays the output

One-Button Measurements 5N9320A Spectrum Analyzer 127When Avg Mode is Repeat, after reaching the average count, all previous data is cleared and the

128 N9320A Spectrum Analyzer5 One-Button MeasurementsSpectrum Emission MaskSpectrum Emission Mask measurement includes the in- band and out- of- band

One-Button Measurements 5N9320A Spectrum Analyzer 129Ref Channel Accesses the softkeys that enable you to change the reference channel settings.Key ac

130 N9320A Spectrum Analyzer5 One-Button MeasurementsOffset/Limits Displays the menus where you can change the following parameters for offset frequen

One-Button Measurements 5N9320A Spectrum Analyzer 131a. Abs Stop is set to Couple and Fail Mask is set to Abs AND Rel.a. Res BW is set to 100 kHz an

6 N9320A Spectrum Analyzer1OverviewDisplay AnnotationsItem Description Notes (Associated function key)1 Amplitude scale [Amplitude] > Scale Type2 D

132 N9320A Spectrum Analyzer5 One-Button Measurementsa. Res BW is set to 100 kHz, Fail Mask is set to Rel, and Abs Stop and Rel Stop are both set to

One-Button Measurements 5N9320A Spectrum Analyzer 133Res BWAuto ManSpecifies the resolution bandwidth used in measuring the offset pair. When set to A

134 N9320A Spectrum Analyzer5 One-Button MeasurementsAbsolute Sets the limit test to show Fail if one offset is larger than the corresponding limit fo

sAgilent N9320A Spectrum AnalyzerUser’s Guide1356Instrument MessagesOverview 136Command Errors 137Execution Conflict 139Device-Specific Errors 141

136 N9320A Spectrum Analyzer6 Instrument MessagesOverviewIf an improper operation occurs during the instrument configuration, an message will appear o

Instrument Messages 6N9320A Specturm Analyzer 137Command ErrorsThe messages listed below are command errors, which are saved into local registers. -10

138 N9320A Spectrum Analyzer6 Instrument Messages-112 Program mnemonic too longThe header contains more than 12 characters.-113 Undefined headerThe he

Instrument Messages 6N9320A Specturm Analyzer 139Execution ConflictThe system messages listed below are execution conflicts, indicating settings confl

140 N9320A Spectrum Analyzer6 Instrument Messages-330 Self-test failedA self- test failure occurred. Report this error to Agilent Technologies.-340 ca

Instrument Messages 6N9320A Specturm Analyzer 141Device-Specific Errors102 Set 50 MHz signal < 0 dBm, do alignment againThere is too much 50 MHz en

Overview 1N9320A Spectrum Analyzer 7a. Optimized Phase is only available when SPAN doesn’t exceed 50 kHz.13 Softkey menu Refer to “Key Reference” for

142 N9320A Spectrum Analyzer6 Instrument Messages215 TG start freq is less than 1/2 res bwTracking generator uncalibrated at start frequencies below 1

Instrument Messages 6N9320A Specturm Analyzer 143652 Connect CAL OUT to RF INyou must connect the CAL OUT to RF IN with the appropriate cable.751 In

144 N9320A Spectrum Analyzer6 Instrument Messages767 Fatal LDS errorAttempt to initialize the instrument state has failed. Cycle instrument power. If

sAgilent N9320A Spectrum AnalyzerUser’s Guide1457In Case of DifficultyCheck the Basics 146Read the Warranty 147Contact Agilent Technologies 148This c

146 N9320A Spectrum Analyzer7 In Case of DifficultyCheck the BasicsBefore calling Agilent Technologies, or returning an analyzer for service, perform

In Case of Difficulty 7N9320A Spectrum Analyzer 147Read the WarrantyAgilent Technologies provide one year warranty as standard for your spectrum analy

148 N9320A Spectrum Analyzer7 In Case of DifficultyContact Agilent TechnologiesAgilent Technologies has offices around the world to provide you with c

sAgilent N9320A Spectrum AnalyzerUser’s Guide1498Menu MapsThis chapter provides a visual representation of the front panel keys and their associated

150 N9320A Spectrum Analyzer8 Menu MapsAmplitude MenuAttenuation Auto Man More 1 of 2 Scale/Div Scale Type Log Lin Int Preamp On Off Y Axis Units >

Menu Maps 8N9320A Spectrum Analyzer 151BW/Avg MenuRes BW Auto Man Video BW Auto Man VBW/RBW Auto Man Average On Off Avg Type > Auto Man Auto Vide

8 N9320A Spectrum Analyzer1OverviewRear Panel Overview1 REF OUT connector provides a frequency of 10 MHz, amplitude of –10 dBm reference output. (BNC

152 N9320A Spectrum Analyzer8 Menu MapsDet/Display MenuDetector > Auto Man Limits > Active Fctn Position> Display Line On Off Auto Positiv

Menu Maps 8N9320A Spectrum Analyzer 153File Menu (1 of 2)Catalog> Save Load Delete> Copy By Date By Name Return Order Up Down All Screen

154 N9320A Spectrum Analyzer8 Menu MapsFile Menu (2 of 2)a. The path is depend on the Type selection.Catalog Save> Load> Delete> Copy> T

Menu Maps 8N9320A Spectrum Analyzer 155Frequency MenuCenter Freq Start Freq Stop Freq CF Step Auto Man Signal Track On Off Frequency

156 N9320A Spectrum Analyzer8 Menu MapsMarker Menu Select Marker > 1,2,3…12 Normal More 1 of 2 Delta > Off All Off Funtion > On Off Pr

Menu Maps 8N9320A Spectrum Analyzer 157Marker-> MenuMkr-> CF Mkr-> CF Step Mkr-> Start Mkr-> Stop Mkr-> Ref Lvl Marker ->

158 N9320A Spectrum Analyzer8 Menu MapsMeasure Menu (1 of 2)a. Continued on sheet 2 of 2Measure Off Channel Power > More 1 of 2 Occupied BW > AC

Menu Maps 8N9320A Spectrum Analyzer 159Measure Menu (2 of 2)a. Links to Meas Menu (sheet 1 of 2) More 2 of 2 Intermod > (TOI) Spectrum Emissio

160 N9320A Spectrum Analyzer8 Menu MapsMODE Menu Spectrum Analyzer Tracking Generator > AmplitudeTG On Off Attenuation Auto Man Return Amp

Menu Maps 8N9320A Spectrum Analyzer 161Name editor Menu ABCDEFG HIJKLMN Return OPQRSTU VWXYZ Name

Overview 1N9320A Spectrum Analyzer 9Front and rear panel symbolsThe CE mark: a registered trademark of the European Community.The CSA mark: a register

162 N9320A Spectrum Analyzer8 Menu MapsPeak Search MenuPeak Search Next Peak More 1 of 2 Next Pk Right Next Pk Left Pk-Pk Search Peak Excursion Peak T

Menu Maps 8N9320A Spectrum Analyzer 163Preset/System MenuPreset Pwr on/Preset > More 1 of 3 Alignment > Language> Diagnostics> Align (Ex

164 N9320A Spectrum Analyzer8 Menu MapsSPAN MenuSpan Full Span Zero Span Last Span SPAN

Menu Maps 8N9320A Spectrum Analyzer 165Sweep/Trig MenuSweep Time Auto Man Sweep Single More 1 of 2 Sweep Cont Free Run Video More 2 of 2 External P

166 N9320A Spectrum Analyzer8 Menu MapsView/Trace MenuSelect Trace > 1 Clear Write Max Hold Min Hold View Blank Trace 1 Trace 2 Trace 3 Tra

N9320A User’s Guide 167IndexNumerics10 MHz REF OUT, 83GPP W-CDMA, 130802.11a, 131802.11b, 132AAbs Start, 133Abs Stop, 133AC power receptacle, 8Active

168 N9320A User’s GuideIndexMMarker key, 4, 93Marker Table, 96Marker-> key, 4, 97Max Mixer lvl, 127Meas key, 4, 98, 117measuringACP, 123channel pow

DECLARATION OF CONFORMITY According to ISO/IEC Guide 22 and CEN/CENELEC EN 45014 Manufacturer’s Name: Agilent-Qianfeng Electronic Technologies (C

© Agilent Technologies, Inc. 2006-2007Printed in China Second Edition, July 2007*N9320-90001*N9320-90001www.agilent.com

10 N9320A Spectrum Analyzer1Overview

sAgilent N9320A Spectrum AnalyzerUser’s Guide112Getting StartedCheck the Shipment and Order List 12Power Requirements 13Environmental Requirements 15

N9320A Spectrum AnalyzerNotices© Agilent Technologies, Inc. 2006No part of this manual may be reproduced in any form or by any means (including electr

12 N9320A Spectrum Analyzer2 Getting StartedCheck the Shipment and Order ListAfter receiving the shipment, first check the shipment and your order lis

Getting Started 2N9320A Spectrum Analyzer 13Power RequirementsThe spectrum analyzer has an auto- ranging line voltage input. The AC power supply must

14 N9320A Spectrum Analyzer2 Getting StartedAC Power Cordsa. Plug description describes the plug only. The part number is for the complete cable assem

Getting Started 2N9320A Spectrum Analyzer 15Environmental RequirementsAgilent Technologies has designed this product for use in Installation Category

16 N9320A Spectrum Analyzer2 Getting StartedRack Mount You are recommended to rackmount kit (option 1CM) to install the signal generator into a rack.

Getting Started 2N9320A Spectrum Analyzer 173 Attach rackmount flange and front handle assembly with 3 screws per side.4 Rackmounting with two dress s

18 N9320A Spectrum Analyzer2 Getting StartedSafety NoticePlease read the following warnings and cautions carefully before you power on the spectrum an

Getting Started 2N9320A Spectrum Analyzer 19Electrostatic Discharge ProtectionElectrostatic discharge (ESD) damages or destroys electronic components

20 N9320A Spectrum Analyzer2 Getting StartedPower on and Check1 Connect the power cord. Insert the plug into a power socket provided with a protective

Getting Started 2N9320A Spectrum Analyzer 21Check for Instrument MessagesThe spectrum analyzer has two categories of instrument messages: error and wa

N9320A Spectrum Analyzer In This User’s Guide…This guide contains operation information for the N9320A Spectrum Analyzer.1 OverviewA quick overview of

22 N9320A Spectrum Analyzer2 Getting StartedSome helpful TipsPlease refer to the following descriptions for your further use, including alignment, ext

Getting Started 2N9320A Spectrum Analyzer 23Using an External ReferenceIf you wish to use an external 10 MHz source as the reference frequency, connec

24 N9320A Spectrum Analyzer2 Getting StartedRemote ControlThe N9320A spectrum analyzer provides USB connection to your PC, allowing you run the analyz

sAgilent N9320A Spectrum AnalyzerUser’s Guide253Functions and MeasurementsMaking a Basic Measurement 26Measuring Multiple Signals 30Measuring a Low-L

26 N9320A Spectrum Analyzer3 Functions and MeasurementsMaking a Basic MeasurementIn this guide, the keys labeled a [ ], for example, [Preset/System

Functions and Measurements 3N9320A Spectrum Analyzer 27Presetting the Spectrum AnalyzerPreset provides a known instrument status for making measuremen

28 N9320A Spectrum Analyzer3 Functions and MeasurementsSetting Reference Level and Center Frequency1 Press > 10 > dBm to set 10 dBm reference

Functions and Measurements 3N9320A Spectrum Analyzer 292 Use the knob, the arrow keys, or the softkeys in the Peak Search menu to move the marker. The

30 N9320A Spectrum Analyzer3 Functions and MeasurementsMeasuring Multiple SignalsThis section provides the information on how to measure multiple sign

Functions and Measurements 3N9320A Spectrum Analyzer 31Press > Next Peak orPress > Next Pk Right or Next Pk Left.The amplitude and freque

N9320A Spectrum Analyzer

32 N9320A Spectrum Analyzer3 Functions and MeasurementsComparing Signals not on the Same Screen Using Marker DeltaThe analyzer helps you to compare th

Functions and Measurements 3N9320A Spectrum Analyzer 33Figure 3 shows the reference annotation for the delta marker (1R) at the left side of the displ

34 N9320A Spectrum Analyzer3 Functions and MeasurementsResolving Signals of Equal AmplitudeIn this example a decrease in resolution bandwidth is used

Functions and Measurements 3N9320A Spectrum Analyzer 35If the signal peak is not present on the display, span out to 20 MHz, turn signal tracking on,

36 N9320A Spectrum Analyzer3 Functions and MeasurementsDecreasing the resolution bandwidth improves the resolution of the individual signals and incre

Functions and Measurements 3N9320A Spectrum Analyzer 37Resolving Small Signals Hidden by Large SignalsThis example uses narrow resolution bandwidths t

38 N9320A Spectrum Analyzer3 Functions and Measurements5 Reduce the resolution bandwidth filter to view the smaller hidden signal. Place a delta marke

Functions and Measurements 3N9320A Spectrum Analyzer 39Measuring a Low-Level SignalThis section provides information on measuring low- level signals a

40 N9320A Spectrum Analyzer3 Functions and MeasurementsPress Press > Mkr -> CF5 Reduce the span to 500 kHz, if necessary re- center the peak:

Functions and Measurements 3N9320A Spectrum Analyzer 41Decreasing the Resolution BandwidthResolution bandwidth settings affect the level of internal n

N9320A User’s GuideContents1 Overview 1Agilent N9320A at a Glance 2Front Panel Overview 3Rear Panel Overview 8Front and rear panel symbols 92 Getting

42 N9320A Spectrum Analyzer3 Functions and MeasurementsTrace AveragingAveraging is a digital process in which each trace point is averaged with the pr

Functions and Measurements 3N9320A Spectrum Analyzer 43Improving Frequency Resolution and AccuracyThis section provides information on how to improve

44 N9320A Spectrum Analyzer3 Functions and MeasurementsNotice that the readout in the active frequency function changes while the counted frequency re

Functions and Measurements 3N9320A Spectrum Analyzer 45Tracking Drifting SignalsThis section provides information on measuring and tracking signals th

46 N9320A Spectrum Analyzer3 Functions and Measurements5 Turn off the signal track function:Press > Signal Track (Off)6 Measure the excursion of

Functions and Measurements 3N9320A Spectrum Analyzer 47Making Distortion MeasurementsThis section provides information on measuring and identifying si

48 N9320A Spectrum Analyzer3 Functions and MeasurementsThe signal produces harmonic distortion products (spaced 200 MHz from the original 200 MHz sign

Functions and Measurements 3N9320A Spectrum Analyzer 49Notice the MarkerD amplitude readout. This is the difference of the distortion product amplitud

50 N9320A Spectrum Analyzer3 Functions and MeasurementsThird-Order Intermodulation DistortionTwo- tone, third- order intermodulation distortion is a c

Functions and Measurements 3N9320A Spectrum Analyzer 512 Set one source (signal generator) to 300 MHz and the other source to 301 MHz, for a frequency

N9320A User’s GuideContentsComparing Signals on the Same Screen Using Marker Delta 30Comparing Signals not on the Same Screen Using Marker Delta 32Res

52 N9320A Spectrum Analyzer3 Functions and Measurements9 Measure the difference between this test signal and the second distortion product (see Figure

Functions and Measurements 3N9320A Spectrum Analyzer 53Measuring Phase NoisePhase noise is a frequency domain measure of stability. We specify phase n

54 N9320A Spectrum Analyzer3 Functions and MeasurementsStimulus Response TransmissionThe procedure below describes how to use a built- in tracking gen

Functions and Measurements 3N9320A Spectrum Analyzer 555 Increase measurement sensitivity and smooth the noise:Press > Res Bw > 30 > KHzPr

56 N9320A Spectrum Analyzer3 Functions and Measurements9 Measure the rejection of the lowpass filter:Press > Normal > 370 > MHz, Delta >

Functions and Measurements 3N9320A Spectrum Analyzer 57Measuring Stop Band Attenuation of a Lowpass FilterWhen measuring filter characteristics, it is

58 N9320A Spectrum Analyzer3 Functions and Measurements4 Set the resolution bandwidth to 10 kHz:Press > Res Bw > 10 > KHz5 Turn on the track

Functions and Measurements 3N9320A Spectrum Analyzer 5911 In this example, the attenuation over this frequency range is - 17.98 dB/octave (one octave

60 N9320A Spectrum Analyzer3 Functions and MeasurementsMaking a Reflection Calibration MeasurementThe following procedure makes a reflection measureme

Functions and Measurements 3N9320A Spectrum Analyzer 612 Connect the tracking generator output of the analyzer to the directional bridge or coupler.3

ContentsN9320A User’s GuideDet/Display 78Enter 84File 85Frequency 91Marker 93Marker-> 97Meas 98MODE 99Peak Search 103Preset/System 107SPAN 113Sweep

62 N9320A Spectrum Analyzer3 Functions and Measurements8 Normalize the trace:Press > Tracking Generator > More > Normalize > Store Ref

Functions and Measurements 3N9320A Spectrum Analyzer 63Measuring Return Loss Using the Reflection Calibration RoutineThis procedure uses the reflectio

64 N9320A Spectrum Analyzer3 Functions and MeasurementsViewing Catalogs and Saving FilesThe analyzer stores and retrieves data similar as a PC. The an

Functions and Measurements 3N9320A Spectrum Analyzer 651 The entry fields show the parameters for the files viewed:Name states the filename.Typ e disp

66 N9320A Spectrum Analyzer3 Functions and Measurements4 Select the trace you need (1, 2, 3, 4 or all traces). Assume you need to save trace 3:Press

Functions and Measurements 3N9320A Spectrum Analyzer 674 Using the knob or arrow keys to highlight the file you need. And then select the trace into w

68 N9320A Spectrum Analyzer3 Functions and Measurements

sAgilent N9320A Spectrum AnalyzerUser’s Guide694Key ReferenceThis chapter describes each front panel hardkey and associated softkeys. The front panel

70 N9320A Spectrum Analyzer4 Key ReferenceAmplitudePress activates the reference level function and accesses the amplitude softkeys.Ref Level Sets t

Key Reference 4N9320A Spectrum Analyzer 71Int PreampOn Off(Option PA3) Toggles the internal pre- amplifier function between on and off. Pressing Int P

N9320A User’s GuideContents7 In Case of Difficulty 145Check the Basics 146Read the Warranty 147Contact Agilent Technologies 1488Menu Maps 149Amplitude

72 N9320A Spectrum Analyzer4 Key Referencesignal level at the input of the preamplifier. The preamplifier gain offset is displayed at the top of the s

Key Reference 4N9320A Spectrum Analyzer 73Auto TuneActivates the autotune function to view the signal, This hardkey functions as following description

74 N9320A Spectrum Analyzer4 Key ReferenceBack <-The backspace key is located on the front panel and is used to change or correct an active functio

Key Reference 4N9320A Spectrum Analyzer 75BW/AvgActivates the resolution bandwidth function and accesses the softkeys that control the bandwidth funct

76 N9320A Spectrum Analyzer4 Key ReferenceFigure 1 VBW/RBW Ratio Auto RulesKey access: AverageOn OffInitiates a digital averaging routine that average

Key Reference 4N9320A Spectrum Analyzer 77When in continuous sweep mode, the specified number of averages is taken, then the averaging continues with

78 N9320A Spectrum Analyzer4 Key ReferenceDet/DisplayPress this hardkey to control detector and display functions.DetectorAuto ManSelects a specific d

Key Reference 4N9320A Spectrum Analyzer 79When the detector sets to Auto, Pressing > Average (On) changes the detector. The Auto choice depends

80 N9320A Spectrum Analyzer4 Key ReferenceActive FctnPositionSelects the screen position for the Active Function Display. Depending on the type of tra

Key Reference 4N9320A Spectrum Analyzer 81Display LineOn OffActivates an adjustable horizontal line that is used as a visual reference line. The line,

sAgilent N9320A Spectrum AnalyzerUser’s Guide11OverviewAgilent N9320A at a Glance 2Front Panel Overview 3Rear Panel Overview 8Front and rear panel sy

82 N9320A Spectrum Analyzer4 Key ReferenceTestOn OffToggles the testing of the limit lines between on and off. If trace 1 is at or within the bounds o

Key Reference 4N9320A Spectrum Analyzer 83FrequencyEdits the frequency value for a limit point. After editing, the limit table will place the frequenc

84 N9320A Spectrum Analyzer4 Key ReferenceEnterTerminates a front- panel keypad numeric entry and enters that value into the analyzer. (For most appli

Key Reference 4N9320A Spectrum Analyzer 85FileAccesses the softkeys that allow you to manage the file system of the analyzer. Refer to “Viewing Catalo

86 N9320A Spectrum Analyzer4 Key ReferenceSave Accesses menu keys that allow you to save analyzer screen, states, traces and limits data to a USB stor

Key Reference 4N9320A Spectrum Analyzer 87Load Accesses a submenu to load analyzer states, traces and limits into the analyzer from a USB storage devi

88 N9320A Spectrum Analyzer4 Key ReferenceDelete Enter the submenu for deletion.Key access: State Displays all state files for your load (.STA). Loa

Key Reference 4N9320A Spectrum Analyzer 89Copy Enter the submenu for copy files from local to usb storage device.Key access: Delete Now Executes the

90 N9320A Spectrum Analyzer4 Key ReferenceType Select the type of file to copy.Key access: > CopyAll Displays all files for your copy.Key access:

Key Reference 4N9320A Spectrum Analyzer 91FrequencyPress activates the center frequency function, and accesses the menu of frequency functions. The