Spectrum Analyser

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    SpectrumSpectrum AnalyserAnalyser

    A HandA Hand--ShakeShake

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    OverOver--ViewView

    This lecture is basically to familiarize withThis lecture is basically to familiarize with

    SA functions & taking C/N Ratio Meas.SA functions & taking C/N Ratio Meas. Newer Anritsu Model MS 2661B/C isNewer Anritsu Model MS 2661B/C is

    chosen as standardchosen as standard

    It has some new modern features toIt has some new modern features tofacilitate measurementsfacilitate measurements

    A little peep into more difficult area is alsoA little peep into more difficult area is alsogiven here & there, so that the peoplegiven here & there, so that the peopleinterested can get into the nittyinterested can get into the nitty--gritty'sgritty's

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    SpectrumSpectrumAnalyserAnalyser

    Measures Amplitude (power) of differentMeasures Amplitude (power) of different

    Frequency Components in the signalFrequency Components in the signal MaxMax RfRfInput is 30Input is 30 dBmdBm, 50, 50 , in some, in some

    new models 75new models 75

    is also selectable.is also selectable. DC is strict noDC is strict no--no.no.

    In some new models dcIn some new models dc uptoupto 50 V is50 V isacceptableacceptable

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    Main Parameters/Functions of SAMain Parameters/Functions of SA

    FrequencyFrequency

    AmplitudeAmplitude

    MarkerMarker

    DisplayDisplay

    StorageStorage

    DetectionDetection

    Coupled (Input Processing) FunctionCoupled (Input Processing) Function

    CalibrationCalibration

    MeasurementMeasurement

    Save FeatureSave Feature

    Print OutPrint Out

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    Main Parameters/Functions of SAMain Parameters/Functions of SA

    FrequencyFrequencyHow to set the FrequencyHow to set the Frequency

    CentreCentre--Span ModeSpan Mode StartStart--Stop ModeStop Mode

    Keys/Terms To RememberKeys/Terms To Remember FrequencyFrequency

    Center FrequencyCenter Frequency

    SpanSpan

    StartStart--Stop FrequencyStop Frequency

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    Main Parameters/Functions of SAMain Parameters/Functions of SA

    AmplitudeAmplitudeHow to set the AmplitudeHow to set the Amplitude

    Choose Reference LevelChoose Reference Level Choose Log ScaleChoose Log Scale

    Choose Input ImpedanceChoose Input Impedance

    Keys/Terms To RememberKeys/Terms To Remember

    AmplitudeAmplitude

    Reference LevelReference Level Log ScaleLog Scale

    Input ImpedanceInput Impedance

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    Main Parameters/Functions of SAMain Parameters/Functions of SA

    MarkersMarkersHow to set MarkerHow to set Marker

    Go to Marker Menu & selectGo to Marker Menu & selectKeys/Terms To RememberKeys/Terms To Remember

    Normal MarkerNormal Marker Delta MarkerDelta Marker

    Zone MarkerZone Marker

    Zone WidthZone Width

    Peak MarkerPeak Marker

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    Main Parameters/Functions of SAMain Parameters/Functions of SA

    DisplayDisplayHow to select Display ModeHow to select Display Mode

    Go to A,B (Display) Menu & selectGo to A,B (Display) Menu & selectKeys/Terms To RememberKeys/Terms To Remember

    Trace A & BTrace A & B Trace A on BTrace A on B

    Over Write Display etc.Over Write Display etc.

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    Main Parameters/Functions of SAMain Parameters/Functions of SA

    StorageStorageHow to select Storage ModeHow to select Storage Mode

    Go to A,B (Display) Menu, then Storage &Go to A,B (Display) Menu, then Storage &selectselect

    Keys/Terms To RememberKeys/Terms To Remember

    NormalNormal

    AveragingAveraging

    Max HoldMax Hold

    Min HoldMin Hold

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    Main Parameters/Functions of SAMain Parameters/Functions of SA

    DetectionDetectionHow to select Detection ModeHow to select Detection Mode

    Go to A,B (Display) Menu, then DetectionGo to A,B (Display) Menu, then Detection& select& select

    Keys/Terms To RememberKeys/Terms To Remember

    NormalNormal

    SampleSample

    Pos PeakPos Peak

    NegNeg PeakPeak

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    Main Parameters/Functions of SAMain Parameters/Functions of SA

    Coupled (input processing) FunctionCoupled (input processing) FunctionHow to select Coupled FunctionHow to select Coupled Function

    Select Coupled Function KeysSelect Coupled Function Keys

    Keys/Terms To RememberKeys/Terms To Remember

    RBWRBW

    VBWVBW

    Sweep TimeSweep Time AttenuatorAttenuator

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    Main Parameters/Functions of SAMain Parameters/Functions of SA

    CalibrationCalibrationHow to select CalibrationHow to select Calibration

    Select Calibration (shift 0) KeysSelect Calibration (shift 0) KeysKeys/Terms To RememberKeys/Terms To Remember

    All CalAll Cal Level CalLevel Cal

    Frequency CalFrequency Cal

    FM CalFM Cal

    Factory CalibrationFactory Calibration

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    Main Parameters/Functions of SAMain Parameters/Functions of SA

    MeasurementMeasurementHow to select MeasurementHow to select Measurement

    Go to Measure Menu & SelectGo to Measure Menu & Select

    Keys/Terms To RememberKeys/Terms To Remember

    C/N Ratio MeasurementC/N Ratio MeasurementNoise Power MeasurementNoise Power Measurement

    Frequency CountFrequency Count Channel Power Measurement etc.Channel Power Measurement etc.

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    Main Parameters/Functions of SAMain Parameters/Functions of SA

    Save Recall FeatureSave Recall FeatureHow to select Save Recall FeatureHow to select Save Recall Feature

    Select Recall/shift Recall (Save) KeySelect Recall/shift Recall (Save) Key

    Keys/Terms To RememberKeys/Terms To Remember

    Parameter DataParameter Data Waveform DataWaveform Data

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    Main Parameters/Functions of SAMain Parameters/Functions of SA

    Print OutPrint OutHow to select Print OutHow to select Print Out

    Select shift Copy Key & SelectSelect shift Copy Key & Select

    Keys/Terms To RememberKeys/Terms To Remember

    Serial PortSerial Port GPIB PortGPIB Port

    CentronicsCentronics CableCable Parallel PortParallel Port

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    Setting Observation FrequencySetting Observation Frequency

    11

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    Setting Observation FrequencySetting Observation Frequency

    Center Span ModeCenter Span Mode

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    Setting Observation FrequencySetting Observation Frequency

    Start Stop ModeStart Stop Mode

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    Setting Level RangeSetting Level Range

    Setting Log-Scale

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    Setting Reference levelSetting Reference level

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    Setting Input ImpedanceSetting Input Impedance

    Impedance Transformer

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    Marker FunctionsMarker Functions

    Marker Mode

    Normal Marker

    Delta Marker

    Zone Marker

    Marker off

    Switching Marker

    Search Mode

    Marker Search

    Peak Search

    Next Peak Search

    Next Right Peak

    Search

    Next Left Peak Search

    Dip Search

    Setting Parameters Using

    Marker Values

    Mkr CF / Mkr RLV

    Delta Mkr Span

    Zone Span

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    Marker ModeMarker Mode

    Normal & Delta MarkerNormal & Delta Marker

    11

    2211

    3311

    4411

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    Marker Normal Marker Delta MarkerMarker

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    Marker ModeMarker Mode

    Zone MarkerZone Marker

    1177

    1188

    Changing Zone Position

    Changing Zone Width Switching Marker Search Mode

    Marker Search Peak DipMarker

    Searching the max & min value in the zone

    marker is selected by this Key

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    Marker SearchMarker Search

    Next Peak SearchPeak Search

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    Marker SearchMarker Search

    Next Right/Left Peak Search

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    Setting Parameters Using Marker ValuesSetting Parameters Using Marker Values

    CF & RLV KeysCF & RLV Keys

    Setting Parameters Using Marker ValuesSetting Parameters Using Marker Values

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    Setting Parameters Using Marker ValuesSetting Parameters Using Marker Values

    MkrMkr CF /CF / MkrMkr RLVRLV

    Marker Mkr CF

    Mkr RLV

    Marker

    S i P U i M k V lS tti P t U i M k V l

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    Setting Parameters Using Marker ValuesSetting Pa

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