2393AIFR2393A频谱分析仪Theanalyzerwastestedupto3GHz.Thepeakreadingofthespectrumislessthenitshouldbe.Thepealat10MHzisabout20dBlessandat3GHzthepeakisabout5dBlessthentheinputpower.Thefrequencyreadingwascorrect.ThisitemissoldAS-ISforcalibration-repairIFR2393A9KHz-26.5GHzSpectrumAnalyzerProductOverviewFullysynthesizedSpectrumAnalyzersto26.5GHz3Hzto30MHzresolutionbandwidthfiltersExcellentintermodulationperformance+30to-135dBmmeasurementrangeMeasurementsto300GHzwithexternalmixersOptionalbuilt-intrackinggeneratorReceivermodewithAMandFMdemodulatorsOptionalquasi-peakdetectorandEMCfiltersThe2390AseriesofspectrumanalyzersfromIFRcombineexceptionalperformancewithexcellentvalueformoney.Therearethreeinstrumentsintherange:-2392A9kHzto2.9GHz2390A9kHzto22GHz2393A9kHzto26.5GHzFrequencyAccuracyAllthreeinstrumentsarefullysynthesizedtogiveaccuratefrequencymeasurements.Evenonwidespansthe2390Aseriesgivesprecisefrequencymeasurementsandanintegralfrequencycounterenablesthemeasurementofindividualsignalsto1Hzresolution.Fundamentalmixingto12GHzenablesthemicrow***eversi***toreachtheirmaximumfrequencyinonlytwoharmonicsweeps.Thisgivesexcellentsensitivityandaccuracyrightupto26.5GHz.NarrowResolutionThe2390Aseriesallh***eresolutionbandwidthsdownto3Hz.Narrowresolutionbandwidthsprovidetheabilitytoresolvecloselyspacedsignalsorsidebands.The3Hzfilterisalsousedforcloseinsignalanalysis,forexampleitcanbeusedtoidentify50or60Hzpowerlinesidebandsonoscillators.The***eragedisplayednoiselevelwhenusinga3Hzfilterislessthan-135dBmat2.9GHzandbelow-125dBmat26.5GHz.Thismakes2390Aseriessuitableforlocatingandidentifyinglowlevelspuriousandharmonicsignals.WidebandFiltersforSpreadSpectrumandPulsedSignalsWhenanalyzingsignalswithwidespectrumbandwidthssuchasdigitallymodulatedcarriersorpulsedradar,theresolutionbandwidthofthespectrumanalyzercanlimitthemeasurement.The2390Aseriesh***e10MHzand30MHzbandwidthfilters.Thesegivethebest***ailablecharacterizationofwidebandsignalsandh***eanimpulsebandwidth>5MHz.Inzerospanmodeaminimumsweeptimeof200ns/divmakesdisplayingradarpulsespreciseandandFMReceiverModesThe2390Aseriesfeaturesbuilt-inreceiversforbothAMandFMsignals.Modulationdetectioncanbesettonarrowbandorwidebandmode.ForanFMtran***issionamodulationscaleof1kHzto5MHzperdivisionallowsdirectmeasurementofthemodulationcomponentofcarriersignalsupto&plu***n;20MHzdeviation.FrequencysynthesizersettlingtimecanbemeasuredusingtheDCcoupledoutputfromtheFMdetector.Ahighqualityaudiooutputthrougheitherabuilt-inspeakerorheadphoneconnector)