Spectrum Analysis Basics

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1、AgilentSpectrumAnalysisBasicsApplicationNote150TableofContentsChapter1–Introduction.......................................................4Frequencydomainversustimedomain.......................................4Whatisaspectrum?......................................................5

2、Whymeasurespectra?....................................................6Typesofmeasurements...................................................8Typesofsignalanalyzers..................................................8Chapter2–SpectrumAnalyzerFundamentals.............................

3、.......10RFattenuator...........................................................12Low-passfilterorpreselector..............................................12Tuningtheanalyzer......................................................12IFgain.............................................

4、....................16Resolvingsignals........................................................16ResidualFM............................................................19Phasenoise............................................................20Sweeptime................................

5、.............................22Envelopedetector.......................................................24Displays...............................................................25Detectortypes..........................................................26Sampledetection................

6、........................................27Peak(positive)detection.................................................29Negativepeakdetection..................................................29Normaldetection........................................................29Averagedetection...

7、....................................................32EMIdetectors:averageandquasi-peakdetection.............................33Averagingprocesses.....................................................33Timegating.............................................................38Chapter3

8、–DigitalIFOverview...............