标签: 37300c

AmplifierTestingwiththe37300cvnaAPPLICATIONNOTEAmplifierTestingwiththe37300CVNALightningVNAIntroductionVectorNetworkAnalyzers(VNA)aredesignedtomeasureS-parametersofRFandMicrowavedevicesandcircuits.S-parametersarebydefinitionratiosandassuchtheactualtestpowerutilizedisnotcritical.WhenamplifierS-parametersaremeasureditbecomesimportanttoknowapproximateinputandoutputpowerlevelssothattheusercaninsurethattheamplifierisoperatinginitsproperrangeandthattheinstrument'spowerhandlingcapabilityisnotexceeded.Iftheuserwantstomeasurenon-lineareffectssuchasthe1dBcompressionpointorAMtoPMconversion,itisnecessarytoknowpowerlevelsmoreaccuratelyanditbecomesdesirabletosweepthepoweroveradesiredrange.TheAnritsu37300Cha……