Anritsu Series MS278XB Bedienungsanleitung

SeriesMS278XBHigh Performance Signal AnalyzerOperation ManualSoftware Version 4.xxAnritsu Company490 Jarvis DriveMorgan Hill, CA 95037-2809USAP/N: 104

ii MS278XB OM2-7 Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Quick Reference Front Panel Menus4-2 MS278XB OMFrequency Menu Amplitude Menu Bandwidth Menu Display MenuMeasure Menu Trace Menu Trigger Menu System Me

Front Panel Menus Quick ReferenceMS278XB OM 4-3Table 4-2. List of DialogsDialog PageOccupied Bandwidth Setup Dialog 4-36Channel Power Setup Dialog 4-3

Menu Archive Front Panel Menus4-4 MS278XB OM4-3 Menu ArchiveThis menu archive illustrates a comprehensive set of the main menus and sub-menus containe

Front Panel Menus Menu ArchiveMS278XB OM 4-5Frequencies MenuThe Frequencies Menu lets you set the following frequency parameters: Table 4-3. Frequenci

Menu Archive Front Panel Menus4-6 MS278XB OMStep Size and Offset MenuThe Step Size and Offset Menu lets you set the center frequency step size and fre

Front Panel Menus Menu ArchiveMS278XB OM 4-7Amplitude Main MenuThe Amplitude main menu can be quickly accessed by using the Ctrl-Shift-W keyboard comb

Menu Archive Front Panel Menus4-8 MS278XB OMAmplitude MenuThe Amplitude menu lets you set the reference level, attenuation level, attenuation mode, an

Front Panel Menus Menu ArchiveMS278XB OM 4-9Y-Axis Options MenuThe Y-Axis Options menu lets you set the following parameters: Table 4-6. Y-Axis Option

Menu Archive Front Panel Menus4-10 MS278XB OMBandwidth Main MenuThe Bandwidth main menu can be quickly accessed by using the Ctrl-Shift-E keyboard com

Front Panel Menus Menu ArchiveMS278XB OM 4-11Bandwidth MenuThe Bandwidth menu lets you select between automatic or manual resolution bandwidth and set

MS278XB OM iii3-3 Graphical User Interface Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12Drop

Menu Archive Front Panel Menus4-12 MS278XB OMAuto Coupling MenuThe Auto Coupling menu lets you select the coupling modes and set the coupling paramete

Front Panel Menus Menu ArchiveMS278XB OM 4-13Marker Main MenuThe Marker main menu can be quickly accessed by using the Ctrl-Shift-R keyboard combinati

Menu Archive Front Panel Menus4-14 MS278XB OMMarker Select MenuThe Marker Select menu lets you toggle the markers on or off, set the active marker fre

Front Panel Menus Menu ArchiveMS278XB OM 4-15Modulation MeasurementsWhen in the WCDMA measurement mode with the QPSK or Composite graph type selected,

Menu Archive Front Panel Menus4-16 MS278XB OMModulation MeasurementsWhen in the WCDMA measurement mode with the Random Access Channel graph type selec

Front Panel Menus Menu ArchiveMS278XB OM 4-17Marker to (–>) MenuThe Marker To (–>) menu lets you perform the following actions: Modulation Measu

Menu Archive Front Panel Menus4-18 MS278XB OMMarker Config MenuThe Marker Config menu lets you select the following: Display Lines MenuThe Display Lin

Front Panel Menus Menu ArchiveMS278XB OM 4-19Measurement Main MenuThe Measurement main menu can be quickly accessed by using the Ctrl-Shift-T keyboard

Menu Archive Front Panel Menus4-20 MS278XB OMMeasurement MenuThe Measurement menu gives you access to setup various measurement types, such as Spectru

Front Panel Menus Menu ArchiveMS278XB OM 4-21QAM/PSK Measurement TypeQAM/PSK Measurement Type: To change the measurement type, press on the Measuremen

iv MS278XB OM4-3 Menu Archive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Menu Archive Front Panel Menus4-22 MS278XB OMWiMAX Measurement TypeWiMAX Measurement Type: To change the measurement type, press on the Measurement Ty

Front Panel Menus Menu ArchiveMS278XB OM 4-23Trace Main MenuThe Trace main menu can be quickly accessed by using the Ctrl-Shift-A keyboard combination

Menu Archive Front Panel Menus4-24 MS278XB OMTrace Config MenuThe Trace Config menu lets you select the active trace, trace state, detector type, and

Front Panel Menus Menu ArchiveMS278XB OM 4-25Display Main MenuThe Display main menu can be quickly accessed by using the Ctrl-Shift-S keyboard combina

Menu Archive Front Panel Menus4-26 MS278XB OMDisplay Options MenuThe Display Options menu lets you set up limit lines on the graticule for display and

Front Panel Menus Menu ArchiveMS278XB OM 4-27Sweep Main MenuThe Sweep main menu can be quickly accessed by using the Ctrl-Shift-D keyboard combination

Menu Archive Front Panel Menus4-28 MS278XB OMSweep MenuThe Sweep menu lets you lets you select between continuous or single sweep modes, and to start

Front Panel Menus Menu ArchiveMS278XB OM 4-29Trigger Main MenuThe Trigger main menu can be quickly accessed by using the Ctrl-Shift-F keyboard combina

Menu Archive Front Panel Menus4-30 MS278XB OMTrigger MenuThe Trigger menu lets you configure the following:Table 4-18. Trigger MenuTrigger Source: To

Front Panel Menus Menu ArchiveMS278XB OM 4-31System Main MenuThe System main menu can be quickly accessed by using the Ctrl-Shift-G keyboard combinati

MS278XB OM v4-4 Parameter Entry and Measurement Setup Dialog Archive. . . . . . . . . . . . . . . . . . . . . . . . . . . 4-36Occupied Bandwidth Setu

Menu Archive Front Panel Menus4-32 MS278XB OMRear Panel Control MenuThe Rear Panel Control menu lets you configure the rear panel input/output ports a

Front Panel Menus Menu ArchiveMS278XB OM 4-33Configuration MenuThe Configuration menu lets you configure the IO, optimize phase noise, and select filt

Menu Archive Front Panel Menus4-34 MS278XB OMService MenuThe Service menu lets you toggle the internal 50 MHz calibrator Off and On and initiate a cal

Front Panel Menus Menu ArchiveMS278XB OM 4-35File Main MenuThe File main menu can be quickly accessed by using the Ctrl-Shift-H keyboard combination.F

Parameter Entry and Measurement Setup Dialog Archive Front Panel Menus4-36 MS278XB OM4-4 Parameter Entry and Measurement Setup Dialog ArchiveThis prop

Front Panel Menus Parameter Entry and Measurement Setup Dialog ArchiveMS278XB OM 4-37Channel Power Setup DialogChannel Power measures the power and po

Parameter Entry and Measurement Setup Dialog Archive Front Panel Menus4-38 MS278XB OMAdjacent Channel Power (ACP) Setup DialogAdjacent Channel Power (

Front Panel Menus Parameter Entry and Measurement Setup Dialog ArchiveMS278XB OM 4-39ACP Tab (2 of 2) Alt2 Channel: Toggles the Alt2 channel measureme

Parameter Entry and Measurement Setup Dialog Archive Front Panel Menus4-40 MS278XB OMMulticarrier Channel Power Setup DialogMulticarrier Channel Power

Front Panel Menus Parameter Entry and Measurement Setup Dialog ArchiveMS278XB OM 4-41Adj/Alt Channels Tab Adj Channel: Toggles the adjacent channel On

vi MS278XB OM5-5 Modulation Measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-35QPS

Parameter Entry and Measurement Setup Dialog Archive Front Panel Menus4-42 MS278XB OMACP Reference Tab ACP Reference Channel Selection Mode: Selects t

Front Panel Menus Parameter Entry and Measurement Setup Dialog ArchiveMS278XB OM 4-43CCDF Setup DialogOccupied Bandwidth integrates the power of the d

Parameter Entry and Measurement Setup Dialog Archive Front Panel Menus4-44 MS278XB OMSpectrum Mask Setup DialogSpectrum Masks define limits typically

Front Panel Menus Parameter Entry and Measurement Setup Dialog ArchiveMS278XB OM 4-45Define Spectrum Mask Dialog Defining a spectrum mask consists of

Parameter Entry and Measurement Setup Dialog Archive Front Panel Menus4-46 MS278XB OMVSA Modulation Parameters Setup DialogThe VSA Modulation Paramete

Front Panel Menus Parameter Entry and Measurement Setup Dialog ArchiveMS278XB OM 4-47Advanced Tab Tracking Range: Toggles the tracking range on or off

Parameter Entry and Measurement Setup Dialog Archive Front Panel Menus4-48 MS278XB OMWCDMA Graph Type DialogThe WCDMA Graph Type dialog lets you selec

Front Panel Menus Parameter Entry and Measurement Setup Dialog ArchiveMS278XB OM 4-49Code Domain Power Tab For Code Domain Power measurements, the fol

Parameter Entry and Measurement Setup Dialog Archive Front Panel Menus4-50 MS278XB OMOther Tab The following graph types can be selected for additiona

Front Panel Menus Parameter Entry and Measurement Setup Dialog ArchiveMS278XB OM 4-51WCDMA Setup DialogThe WCDMA Setup dialog allows you to specify th

MS278XB OM viiChapter 6—Software Peripherals6-1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parameter Entry and Measurement Setup Dialog Archive Front Panel Menus4-52 MS278XB OMDemodulation Config (1) Tab Scrambling Code: Manually sets the mo

Front Panel Menus Parameter Entry and Measurement Setup Dialog ArchiveMS278XB OM 4-53Demodulation Config (2) Tab IQ Origin Offset for EVM: Select to i

Parameter Entry and Measurement Setup Dialog Archive Front Panel Menus4-54 MS278XB OMTPC Limit Edge Definition DialogThe TPC Limit Edge Definition dia

Front Panel Menus Parameter Entry and Measurement Setup Dialog ArchiveMS278XB OM 4-55Channel Table Editor DialogThe Channel Table Editor dialog lets y

Parameter Entry and Measurement Setup Dialog Archive Front Panel Menus4-56 MS278XB OMCustomize Tool Bar DialogThe Customize Tool Bar Dialog allows you

Front Panel Menus Parameter Entry and Measurement Setup Dialog ArchiveMS278XB OM 4-57MATLAB Setup DialogThe MATLAB Setup dialog allows you to launch T

Parameter Entry and Measurement Setup Dialog Archive Front Panel Menus4-58 MS278XB OMAdvanced Tab Send To MATLAB:IQ Data: Toggles the IQ Data (vectors

MS278XB OM 5-1Chapter 5 — Measurements5-1 IntroductionThis chapter provides procedures on how to make several common spectrum analyzer measurements. I

Basic Measurement Setups Measurements5-2 MS278XB OMSetting the Center FrequencyThe center frequency is set at the center of the graticule display.1. P

Measurements Basic Measurement SetupsMS278XB OM 5-3Setting the Frequency SpanThe frequency span is set such that the graticule display shows the entir

Basic Measurement Setups Measurements5-4 MS278XB OMSetting the Start and Stop FrequenciesThe start frequency is set at the left side of the graticule

Measurements Basic Measurement SetupsMS278XB OM 5-5Setting the Reference LevelThe reference level is set at the top of the graticule display. Measurem

Basic Measurement Setups Measurements5-6 MS278XB OMSetting the Input AttenuationThe input attenuation is set to bring the input signal down to an opti

Measurements Basic Measurement SetupsMS278XB OM 5-7Setting the Scale/DivThe Scale/Div selection is only available when the instrument is set to Log mo

Basic Measurement Setups Measurements5-8 MS278XB OMSetting the Resolution BandwidthThe Resolution Bandwidth (RBW) sets the filter response of the anal

Measurements Basic Measurement SetupsMS278XB OM 5-9Setting the Video BandwidthThe Video Bandwidth (VBW) sets the filter response of the analyzer’s Vid

Basic Measurement Setups Measurements5-10 MS278XB OMSetting the Sweep TimeThe Sweep Time sets the duration of a full span sweep. When the sweep time i

Measurements Basic Measurement SetupsMS278XB OM 5-11Setting the Bandwidth Coupling ModesThe Bandwidth Auto Coupling modes (Span/RBW and VBW/RBW) sets

Basic Measurement Setups Measurements5-12 MS278XB OMSetting MarkersMarkers can be used to measure the frequency and peak power values as follows:1. Pr

Measurements Basic Measurement SetupsMS278XB OM 5-135. To activate the marker table, select the Marker Config menu and press the Marker Table Off/On t

MS278XB OM 1-1Chapter 1 — General Information1-1 About this ManualThis manual provides general information, installation, and operating information fo

Basic Measurement Setups Measurements5-14 MS278XB OMSetting Trace ModesSignature can display up to five traces, each using different trace modes and d

Measurements Basic Measurement SetupsMS278XB OM 5-153. Press the Trace Mode button and select a trace mode from the fly-out menu below to turn the tra

Basic Measurement Setups Measurements5-16 MS278XB OM4. To change the detector for the currently active trace, press the Detector button and select a n

Measurements Basic Measurement SetupsMS278XB OM 5-17Configuring the TriggeringSignature has a variety of trigger modes and configurations you can setu

Basic Measurement Setups Measurements5-18 MS278XB OM3. Press in the Trigger Level parameter field and enter the trigger level using the keypad, then s

Measurements Measurement ExamplesMS278XB OM 5-195-3 Measurement ExamplesThe examples in this section give a simple step-by-step instruction on how to

Measurement Examples Measurements5-20 MS278XB OMMeasuring a CW CarrierThe following example shows a basic measurement of a 0 dBm, 5 GHz carrier using

Measurements Measurement ExamplesMS278XB OM 5-21Measuring HarmonicsThe following example shows a basic measurement of the second and third harmonic of

Measurement Examples Measurements5-22 MS278XB OMDisplaying Wide Band FFT ModeThe following example shows a modulated, 1 GHz signal in the wide band FF

Measurements Measurement ExamplesMS278XB OM 5-23Displaying Narrow Band FFT ModeThe following example shows a modulated, 1 GHz signal in the narrow ban

Product Description General Information1-2 MS278XB OM1-2 Product DescriptionThe Signature Signal Analyzer is a single instrument that integrates state

Measurement Examples Measurements5-24 MS278XB OMMeasuring a Pulse in the Time DomainThe following example shows a triggered measurement of a pulsed 1

Measurements Measurement ExamplesMS278XB OM 5-25Displaying DetectorsThe following example shows an example of a 1 GHz carrier using the Average, RMS,

Measurement Examples Measurements5-26 MS278XB OMDisplaying Trace ModesThe following example shows the display of a 1 GHz carrier using the MaxHold, Av

Measurements Measurement ExamplesMS278XB OM 5-27Measuring Phase NoiseThe following example shows a basic measurement of a 1 GHz carrier’s 100 kHz phas

RF Measurements Measurements5-28 MS278XB OM5-4 RF MeasurementsThis section describes the one-button Spectrum RF measurements that are available. In th

Measurements RF MeasurementsMS278XB OM 5-29Third Order Intercept MeasurementThe Third Order Intercept (TOI) measurement computes and displays the outp

RF Measurements Measurements5-30 MS278XB OMOccupied Bandwidth MeasurementThe Occupied Bandwidth (OBW) measurement shows the bandwidth that includes mo

Measurements RF MeasurementsMS278XB OM 5-31Channel Power MeasurementThe Channel Power (CP) measurement is similar to a power meter. It shows the total

RF Measurements Measurements5-32 MS278XB OMFigure 5-11. Channel Power Measurement

Measurements RF MeasurementsMS278XB OM 5-33Adjacent Channel Power MeasurementAdjacent Channel Power (ACP) is a measure of the power that leaks into ad

General Information Product DescriptionMS278XB OM 1-3RF/Analog ArchitectureThe RF/analog architecture of the Signature Signal Analyzer is designed to

RF Measurements Measurements5-34 MS278XB OMMulticarrier Channel Power MeasurementThe Multicarrier Channel Power (MCCP) measurement is similar to the C

Measurements Modulation MeasurementsMS278XB OM 5-355-5 Modulation MeasurementsThis section outlines a few common modulation measurements performed by

Modulation Measurements Measurements5-36 MS278XB OMQPSK MeasurementThe following modulation measurements use a 2 GHz test signal at 5 dBm with the ana

Measurements Modulation MeasurementsMS278XB OM 5-37EVM vs. Time Graph of QPSK Modulated Test SignalFigure 5-15. EVM/Time Graph of QPSK Modulated Test

Modulation Measurements Measurements5-38 MS278XB OMSummary Table of QPSK Modulated Test SignalFigure 5-16. Summary Table of QPSK Modulated Test Signal

Measurements Modulation MeasurementsMS278XB OM 5-39Eye (I or Q) Graph of QPSK Modulated Test SignalFigure 5-17. Eye Graph of QPSK Modulated Test Signa

Modulation Measurements Measurements5-40 MS278XB OMQAM MeasurementThe following modulation measurements use a 2 GHz, 64QAM modulated test signal at 5

Measurements Modulation MeasurementsMS278XB OM 5-41Power vs. Time Graph of 64 QAM Modulated Test SignalFigure 5-19. Power/Time Graph of 64 QAM Modulat

Modulation Measurements Measurements5-42 MS278XB OMWCDMA MeasurementsAll of the common modulation quality measurements are available, similar to the S

Measurements Modulation MeasurementsMS278XB OM 5-43Two key measurements for CDMA are the Code Domain Power (CDP) and Code Domain Error (CDE).Code Doma

Product Description General Information1-4 MS278XB OMSoftware ArchitectureThe operating software of the Signature Signal Analyzer is based on the Micr

Modulation Measurements Measurements5-44 MS278XB OMThe Code Domain Power graph shows the power in each code and allows a comparison to the total signa

Measurements Modulation MeasurementsMS278XB OM 5-45The following CDP display is with the summary table view active. The table can be scrolled by using

Modulation Measurements Measurements5-46 MS278XB OMThe following CDP display is with the zoom view active. The zoom view can be scrolled by using the

Measurements Modulation MeasurementsMS278XB OM 5-47The following CDP display is with both the zoom and summary table views active. The views can be sc

Modulation Measurements Measurements5-48 MS278XB OMCode Domain Error MeasurementSignature can display the Code Domain Error with an optional zoom wind

Measurements Modulation MeasurementsMS278XB OM 5-49The CDE graphs shows the error of each code and is similar to the EVM of each code, but it is in dB

Modulation Measurements Measurements5-50 MS278XB OMQPSK MeasurementThe next class of modulation quality measurements is when you don’t have a full WCD

Measurements Modulation MeasurementsMS278XB OM 5-51The following display is a constellation measurement along with the key summary measurements (EVM,

Modulation Measurements Measurements5-52 MS278XB OMSignature can also show displays of multiple measurements at once, such as this All Errors vs. Time

Measurements Modulation MeasurementsMS278XB OM 5-53Eye diagrams are also available. These can be of the I channel, the Q channel, or both at once as s

General Information Product DescriptionMS278XB OM 1-5External InterfacesIn addition to the visible front panel interfaces, the MS278XB provides the fo

Modulation Measurements Measurements5-54 MS278XB OMComposite MeasurementThe next class of measurements are of the Composite signal. This measures the

Measurements Modulation MeasurementsMS278XB OM 5-55Below is a composite constellation along with the summary table. The composite constellation includ

Modulation Measurements Measurements5-56 MS278XB OMSingle Code MeasurementThe next class of modulation quality measurements focuses on a single WCDMA

Measurements Modulation MeasurementsMS278XB OM 5-57The following figure is an example of the single-code measurements. This is the Code Power vs. Slo

Modulation Measurements Measurements5-58 MS278XB OMThis single-code example shows the 16QAM constellation of an HSDPA signal. This is Test Model 5 wit

Measurements Modulation MeasurementsMS278XB OM 5-59Below is the Summary table showing the key modulation quality measurements and the bit stream for o

Modulation Measurements Measurements5-60 MS278XB OMBelow is an example of the summary table showing the bit stream of a high-speed channel in binary.

Measurements Modulation MeasurementsMS278XB OM 5-61Single Code with Compressed Mode MeasurementThe final class of measurements is of Single Codes in C

Modulation Measurements Measurements5-62 MS278XB OMFor all other Single Channel measurements (other than the Code Power vs. Slot Overview), you can ch

Measurements Modulation MeasurementsMS278XB OM 5-63WCDMA Uplink Code Domain PowerThe Code Domain Power (CDP) measurement for Uplink measures the CDP f

Preventive Maintenance General Information1-6 MS278XB OM1-3 Preventive MaintenanceRoutine maintenance that can be performed by the operator consists o

Modulation Measurements Measurements5-64 MS278XB OMThe color code for the different uplink channel types are listed in the following table.If the summ

Measurements Modulation MeasurementsMS278XB OM 5-65To get a clearer picture of the content in the display, select the CDP with Zoom graph type. A zoom

Modulation Measurements Measurements5-66 MS278XB OMThe Code Domain Error graph shows the code domain error for each channel instead of the code domain

Measurements Modulation MeasurementsMS278XB OM 5-67Figure 5-44. Code Domain Error with Zoom

Modulation Measurements Measurements5-68 MS278XB OMWCDMA Uplink Code Domain Single ChannelThe Code Domain Single Channel measurement for Uplink shows

Measurements Modulation MeasurementsMS278XB OM 5-69The summary graph is shown in Figure 5-46. The top half of the display shows the detected data for

Modulation Measurements Measurements5-70 MS278XB OMThe Code Power vs. Slot Overview graph is shown in Figure 5-47. The top half of the display shows t

Measurements Operation VerificationMS278XB OM 5-715-6 Operation VerificationThis section provides procedures that you can use to verify the signal ana

Operation Verification Measurements5-72 MS278XB OMCable N(m) to N(f)Frequency: 50 MHzImpedance: 50 ΩAnritsu Model 15NNF50-1.5CCable K(m) to K(m)Freque

Measurements Operation VerificationMS278XB OM 5-73Reference Oscillator Aging Rate (Optional)The following test can be used to verify that the MS2781B

General Information Preventive MaintenanceMS278XB OM 1-7Operating System Backup and RecoverySignature is configured with the Norton® Ghost® backup and

Operation Verification Measurements5-74 MS278XB OMTest Procedure1. On the MS278XB, set the 10 MHz Reference to Internal Reference.2. On the frequency

Measurements Operation VerificationMS278XB OM 5-75 Frequency Readout AccuracyThe following test can be used to verify that the MS2781B is within its F

Operation Verification Measurements5-76 MS278XB OM9. Turn on Marker and perform Marker Peak search. Read the marker frequency and verify that the valu

Measurements Operation VerificationMS278XB OM 5-77Frequency Span AccuracyThe following test can be used to verify that the MS2781B is within its Frequ

Operation Verification Measurements5-78 MS278XB OM12. Use the formula below to verify whether the measured result is within specifications:13. Repeat

Measurements Operation VerificationMS278XB OM 5-79Swept Resolution BandwidthThe following test can be used to verify that the MS2781B is within its Sw

Operation Verification Measurements5-80 MS278XB OM12. Repeat steps 9 through 12 for the other combinations of RBW and Span settings.Table 5-6. Swept R

Measurements Operation VerificationMS278XB OM 5-81Single Sideband Phase NoiseThe following test can be used to verify that the MS2781B is within its S

Operation Verification Measurements5-82 MS278XB OM10. On the MS2781B, set Peak to CF and then set Peak to Reference Level.11. Set the MS2781B to Singl

Measurements Operation VerificationMS278XB OM 5-8326. Compute the Calculated Phase Noise for each value in Table 5-8.27. Return Optimize Phase Noise t

Preventive Maintenance General Information1-8 MS278XB OMReplacing the Line FusesThe line fuses used in the MS278XB are 6.3A, type T fuses. The line fu

Operation Verification Measurements5-84 MS278XB OMAverage Noise LevelThe following test can be used to verify that the MS2781B is within its average n

Measurements Operation VerificationMS278XB OM 5-855. Press the Sweep button from the Sweep menu and allow averaging to complete.The display should loo

Operation Verification Measurements5-86 MS278XB OMTable 5-9. Average Noise Level TestCenter Frequency Measured Result Specifications10 MHz< –167 dB

Measurements Operation VerificationMS278XB OM 5-87Frequency ResponseThe following test can be used to verify that the MS2781B is within its Frequency

Operation Verification Measurements5-88 MS278XB OM9. Adjust the MG369XB RF output so that the power meter input B reading is –10 dBm. Record the corre

Measurements Operation VerificationMS278XB OM 5-89Reference Level Switching UncertaintyThe following test can be used to verify that the MS2781B is wi

Operation Verification Measurements5-90 MS278XB OM10. Subtract the new reading from the marker reading at –70 dBm Reference Level setting.11. Verify t

Measurements Operation VerificationMS278XB OM 5-91Resolution Bandwidth (RBW) Switching UncertaintyThe following test can be used to verify that the MS

Operation Verification Measurements5-92 MS278XB OM13. Record the new marker level readout value on the display to the corresponding cell in Table 5-12

Measurements Operation VerificationMS278XB OM 5-93Residual Spurious ResponseThe following test can be used to verify that the MS2781B meets Residual S

MS278XB OM 2-1Chapter 2 — Preparation for Use2-1 IntroductionThis chapter provides information for the initial inspection, preparation for use, and in

Operation Verification Measurements5-94 MS278XB OMTable 5-13. Residual Spurious Response TestCenter Frequency(MHz)Measured Residual(dBm)Specifications

Measurements Operation VerificationMS278XB OM 5-95Input-related Spurious ResponseThe following test can be used to verify that the MS2781B meets the I

Operation Verification Measurements5-96 MS278XB OM10. Record the maximum Spurious amplitudes in the appropriate column of Table 5-14 based on the freq

MS278XB OM 6-1Chapter 6 — Software Peripherals6-1 IntroductionThis chapter describes a few of the software peripherals that may be used in conjunction

Signature–MathWorks Connectivity (Option 40 only) Software Peripherals6-2 MS278XB OM2. Selecting the Target Parameters for Computation:To facilitate u

Software Peripherals Signature–MathWorks Connectivity (Option 40 only)MS278XB OM 6-31. Select MATLAB from the Tools drop-down menu or the toolbar icon

Signature–MathWorks Connectivity (Option 40 only) Software Peripherals6-4 MS278XB OMMATLAB ControlOnce the connection to MATLAB is established, a Desk

Software Peripherals Signature–MathWorks Connectivity (Option 40 only)MS278XB OM 6-5Advanced MATLAB FunctionsMATLAB provides advanced data analysis ca

Microsoft Applications Software Peripherals6-6 MS278XB OM6-3 Microsoft ApplicationsMicrosoft has many popular tools that are used for generating repor

Software Peripherals Microsoft ApplicationsMS278XB OM 6-7Exporting Trace DataSignature allows you to export numerical trace data for further analysis

Unpacking the Product Preparation for Use2-2 MS278XB OM2-4 Unpacking the ProductInitial InspectionInspect the shipping container for damage. If the co

Microsoft Applications Software Peripherals6-8 MS278XB OM3. The data is imported into Excel as shown below:Importing the Trace Data to Access1. Open A

Software Peripherals Microsoft ApplicationsMS278XB OM 6-93. Navigate to the directory where you exported the trace data and select:Files of type: Text

MS278XB OM 7-1Chapter 7 — Remote Operation7-1 IntroductionRemote Operation is comprised of one of three methods:• GPIB Control• Web Services Control•

Remote Desktop Remote Operation7-2 MS278XB OM2. On the Remote tab, select the “Allow users to connect remotely to this computer” check box, as shown b

Remote Operation Remote DesktopMS278XB OM 7-3Starting a Remote Desktop SessionOnce you have enabled your analyzer to allow remote connections and have

Remote Desktop Remote Operation7-4 MS278XB OMUnless this was changed, you should be able to login using this user name and password.6. After a success

MS278XB OM A-1Appendix A — SpecificationsEnvironmental SpecificationsThe MS278XB environmental specifications are listed below:EMI CompatibilityThe MS

SymbolsMS278XB OM Index-1Subject IndexSymbols% Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-36/Hz . . . . . . . . . . . .

Preparation for Use Assembly (optional)MS278XB OM 2-32-5 Assembly (optional)Rack Mount InstallationInstruments that are ordered from the factory with

DIndex-2 MS278XB OMConnector PinoutBNC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-44Ethernet . . . . . . . . . . . . . . . .

HMS278XB OM Index-3GPIBInterface Connector . . . . . . . . . . . . . . . . . . . 3-40Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MIndex-4 MS278XB OMMarkersActive . . . . . . . . . . . . . . . . .4-14, 4-15, 4-16, 4-17All Off Button . . . . . . . . . . .4-14, 4-15, 4-16, 4-17C

NMS278XB OM Index-5ModulationCapture Time . . . . . . . . . . . . . . . . . . . . . . . . 4-46Filtering . . . . . . . . . . . . . . . . . . . . . .

SIndex-6 MS278XB OMRoll-off Factor, in ACP Setup . . . . . . . . . . . . . . . 4-39Roll-off Factor, in Multicarrier Channel Power Setup 4-42Roll-off

UMS278XB OM Index-7Trace Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23Trace Mode . . . . . . . . . . . . . . . . . . . . . .

Anritsu Customer Service CentersUNITED STATESANRITSU COMPANY490 Jarvis DriveMorgan Hill, CA 95037-2809Telephone: 1-800-ANRITSUFAX: 408-776-1744FRANCEA

Assembly (optional) Preparation for Use2-4 MS278XB OM4. Install the rack mount slides over the threaded studs on the rack mount bracket and handle fix

Preparation for Use Power On ProcedureMS278XB OM 2-52-6 Power On ProcedureNo initial setup is required. After unpacking, the MS278XB is ready for use;

WARRANTYThe Anritsu product(s) listed on the title page is (are) warranted against defects in materials and workmanship forthree years from the date o

Configuration Preparation for Use2-6 MS278XB OMInstrument ShutdownTo shut down the instrument press and hold the front panel Standby/Operate key for l

Preparation for Use ConfigurationMS278XB OM 2-7Windows XP ConfigurationThis section describes the various aspects of the instrument outside of the mai

Configuration Preparation for Use2-8 MS278XB OMSecurity SettingsThe following security related settings are configured in the instrument:• Internet Ex

Preparation for Use ConfigurationMS278XB OM 2-9Analyzer ConfigurationThis section describes how to determine which instrument options are installed or

Configuration Preparation for Use2-10 MS278XB OMInstalling OptionsTo install an Option, you will need to contact Anritsu customer service to obtain an

Preparation for Use ConfigurationMS278XB OM 2-11If the key is not validated, or there are additional requirements to install the option, you will be n

Remote Interface Setup Preparation for Use2-12 MS278XB OM2-8 Remote Interface SetupMost of the MS278XB functions (except power on/off and initializati

Preparation for Use Remote Interface SetupMS278XB OM 2-13GPIB ConfigurationApply power to the MS278XB and allow the system to power up. Once the softw

Remote Interface Setup Preparation for Use2-14 MS278XB OMThis brings up the Measurement and Automation Explorer window, below:3. On the left hand pane

Preparation for Use Remote Interface SetupMS278XB OM 2-154. In the GPIB Configuration dialog, change the Primary GPIB Address to the desired value.Mak

END-USER LICENSE AGREEMENT FOR ANRITSU SOFTWAREIMPORTANT-READ CAREFULLY: This End-User License Agreement (EULA) is a legal agreement between you(eithe

Remote Interface Setup Preparation for Use2-16 MS278XB OMLAN SetupThe LAN can be set up via the RJ45 Ethernet port.Network ConnectionsThe MS278XB supp

Preparation for Use Remote Interface SetupMS278XB OM 2-172. From the Control Panel, select Network Connections.Figure 2-17. Control PanelNote: If your

Remote Interface Setup Preparation for Use2-18 MS278XB OM3. In the Network Connections window, under Network Tasks on the left pane, select Create a n

Preparation for Use Remote Interface SetupMS278XB OM 2-195. Select Connect to the network at my workplace and press Next. 6. Select Virtual Private Ne

Remote Interface Setup Preparation for Use2-20 MS278XB OM7. Enter the name of your new connection and press Next.8. Enter the Host name or IP address

Preparation for Use Remote Interface SetupMS278XB OM 2-219. Select the connection availability of your choice and press Next. 10. If you desire to hav

Remote Interface Setup Preparation for Use2-22 MS278XB OM11. If a connection needs to be manually set up or modified, you can right click on the conne

Preparation for Use Remote Interface SetupMS278XB OM 2-2313. For additional setup configurations, select Obtain an IP address automatically, then sele

Connecting External Devices Preparation for Use2-24 MS278XB OM2-9 Connecting External DevicesSignature offers a variety of external device interfaces

Preparation for Use Connecting External DevicesMS278XB OM 2-25Pressing Yes will initiate the Windows Add Printer Wizard shown below.If you are install

Connecting External Devices Preparation for Use2-26 MS278XB OM1. Select the network radio button and press Next.2. Enter the name and location of your

Preparation for Use Connecting External DevicesMS278XB OM 2-273. Select the location of your network printer and press Find Now, then select your prin

Preparation for Storage/Shipment Preparation for Use2-28 MS278XB OM2-10 Preparation for Storage/ShipmentPreparation for Storage and ShipmentThe follow

MS278XB OM 3-1Chapter 3 — Instrument Overview3-1 IntroductionThis chapter provides information and instructions on operating the MS2781B signal analyz

Front Panel Overview Instrument Overview3-2 MS278XB OMFigure 3-1. MS278XB Front Panel Drawing

Instrument Overview Front Panel OverviewMS278XB OM 3-3Table 3-1. MS278XB Front Panel LegendIndex Image Description1 Instrument Name Tag: The instrumen

Front Panel Overview Instrument Overview3-4 MS278XB OM9 Rotary Knob: The rotary knob is used to increment a selected value up or down.10 Minor Functio

Instrument Overview Front Panel OverviewMS278XB OM 3-516 DVD-ROM/CD-RW Drive Tray Manual Release: The manual release is used when the drive tray fails

Front Panel Overview Instrument Overview3-6 MS278XB OMData DisplayThe data display area is the large LCD touch screen. The touch screen is used to dis

Instrument Overview Front Panel OverviewMS278XB OM 3-7Minor Function KeysThe minor function keys are located just left of the major function keys and

Front Panel Overview Instrument Overview3-8 MS278XB OMNumeric and Cursor KeysThe numeric keys are located in a block next to the LCD display. These ke

Instrument Overview Front Panel OverviewMS278XB OM 3-9ConnectorsThe front panel connectors consist of the following:• Probe Power Port: This port supp

Front Panel Overview Instrument Overview3-10 MS278XB OMDVD-ROM/CD-RW DriveThe DVD-ROM/CD-RW drive is capable of reading digitally stored data on a var

Instrument Overview Front Panel OverviewMS278XB OM 3-111. To release the drive tray, insert a 1.0 mm diameter paper clip into the manual release hole

Graphical User Interface Overview Instrument Overview3-12 MS278XB OM3-3 Graphical User Interface OverviewThis section provides descriptions of the fro

Instrument Overview Graphical User Interface OverviewMS278XB OM 3-13Drop-down Menu BarThe drop-down menus along the top of the screen conform to MS-Wi

Graphical User Interface Overview Instrument Overview3-14 MS278XB OMFront PanelThe Front Panel drop-down menu provides access to all of the instrument

Instrument Overview Graphical User Interface OverviewMS278XB OM 3-15ToolsThe Tools drop-down menu provides access to the Customize Tool Bar dialog and

Graphical User Interface Overview Instrument Overview3-16 MS278XB OMAbout Anritsu Signature The About Anritsu Signature dialog contains information ab

Instrument Overview Graphical User Interface OverviewMS278XB OM 3-17Main Menu BarThe Main Menu bar contains a set of icons that access the analyzer’s

MS278XB OM Safety-1Safety SymbolsTo prevent the risk of personal injury or loss related to equipment malfunction, Anritsu Company uses the following s

Graphical User Interface Overview Instrument Overview3-18 MS278XB OMThe Sweep icon opens the “Sweep Main Menu” on page 4-27.The Zero Span icon sets th

Instrument Overview Graphical User Interface OverviewMS278XB OM 3-19Sub-menu TreesAfter pressing one of the Main Menu icons, the main menu tree is upd

Graphical User Interface Overview Instrument Overview3-20 MS278XB OMFigure 3-15 below illustrates the terminator fly-out menus that you may encounter

Instrument Overview Graphical User Interface OverviewMS278XB OM 3-21Modulation Graphs CF Step Sizes Detector Types Trigger Sources Trace StatesModulat

Graphical User Interface Overview Instrument Overview3-22 MS278XB OMSpreading Factor Phase ErrorConstellation Rotation Magnitude Scale InputRACH/TCP C

Instrument Overview Graphical User Interface OverviewMS278XB OM 3-23Toggle ButtonsSeveral menus offer a simple on/off type of mode selection. When the

Graphical User Interface Overview Instrument Overview3-24 MS278XB OMDrop-down Selection MenusMany menus offer drop-down selections that contain a vari

Instrument Overview Graphical User Interface OverviewMS278XB OM 3-25Alpha-Numeric EntryAlphanumeric entry can be accomplished through an external phys

Graphical User Interface Overview Instrument Overview3-26 MS278XB OMGraticuleThe Graph area is the main container for all of the measurement displays.

Instrument Overview Graphical User Interface OverviewMS278XB OM 3-27Table 3-6. Spectral Analysis Graticule LegendIndex Description1Status Indicator: T

Safety-2 MS278XB OMFor SafetyWarning: Always refer to the operation manual when working nearlocations at which the alert mark, shown on the left, isa

Graphical User Interface Overview Instrument Overview3-28 MS278XB OMData DisplaysThe following figures (Figure 3-22 to Figure 3-27) show the measureme

Instrument Overview Graphical User Interface OverviewMS278XB OM 3-29Figure 3-26. Adjacent Channel Power Measurement TableFigure 3-27. Multi-Carrier Po

Graphical User Interface Overview Instrument Overview3-30 MS278XB OMVector Signal Analysis Graticule DisplaysFigure 3-28 shows trace data while using

Instrument Overview Graphical User Interface OverviewMS278XB OM 3-31The Summary graph type displays the position and value (bits) of the demodulated s

Graphical User Interface Overview Instrument Overview3-32 MS278XB OMFigure 3-30 is a summary table showing the key modulation quality measurements and

Instrument Overview Graphical User Interface OverviewMS278XB OM 3-33Signature can also display a variety of data combinations as shown in the followin

Graphical User Interface Overview Instrument Overview3-34 MS278XB OMFor more detail about making modulation measurements and setting up the displays,

Instrument Overview Graphical User Interface OverviewMS278XB OM 3-35Instrument Messages and Status BarThe Status Bar Area is used for instrument wide

Graphical User Interface Overview Instrument Overview3-36 MS278XB OMExternal Keyboard Hot-key FunctionsWhen the MS278XB is equipped with an external k

Instrument Overview Instrument OperationMS278XB OM 3-373-4 Instrument OperationChanging SetupsWhen a parameter is changed via the front panel, or a me

MS278XB OM iTable of ContentsChapter 1—General Information1-1 About this Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rear Panel and Connector Diagrams Instrument Overview3-38 MS278XB OM3-5 Rear Panel and Connector DiagramsFigure 3-34, below, illustrates the MS278XB’s

Instrument Overview Rear Panel and Connector DiagramsMS278XB OM 3-39Table 3-9. MS278XB Rear Panel Index LegendIndex Name/Image Description Connector1A

Rear Panel and Connector Diagrams Instrument Overview3-40 MS278XB OM6GPIB InterfaceIEEE 488 standard 24-pin connector that provides for remotely contr

Instrument Overview Rear Panel and Connector DiagramsMS278XB OM 3-4110PS/2 Keyboard Interface Provides connection to an external PS/2 keyboard. 6-pinD

Rear Panel and Connector Diagrams Instrument Overview3-42 MS278XB OM18Q InputVSA Q differential input for baseband I/Q50Ω or 1 MΩSwitchable unbalanced

Instrument Overview Rear Panel and Connector DiagramsMS278XB OM 3-43Table 3-10. Index 6: IEEE 488.2 GPIB Connector Pinout DiagramPin Name Description1

Rear Panel and Connector Diagrams Instrument Overview3-44 MS278XB OMTable 3-11. Index 7: 25-pin Parallel Printer Connector Pinout DiagramPin Name Desc

Instrument Overview Rear Panel and Connector DiagramsMS278XB OM 3-45Table 3-13. Index 8: 15-pin XGA Connector Pinout DiagramPin Name Description1RedRe

Rear Panel and Connector Diagrams Instrument Overview3-46 MS278XB OMTable 3-15. Index 19: 8-pin Ethernet RJ45 Connector Pinout DiagramPin Name Descrip

MS278XB OM 4-1Chapter 4 — Front Panel Menus4-1 IntroductionThis chapter provides a comprehensive collection of annotated front panel menus and display