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ID:33923404
大小:227.50 KB
页数:8页
时间:2019-02-27
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1、www.unimap.edu.myMyrekaTechnologiesmyrekaEKT441:MICROWAVEENGINEERINGME1000RFCircuitDesignCoursewarePowerAmplifierMeasurementwithVectorNetworkAnalyzerincollaborationwithaPremierTechnicalTrainingProviderdreamcatcher.com.my8www.unimap.edu.myTheusageofLectureMaterialandLabSheetssuppliedwit
2、hthiscoursewareissubjectedtothefollowingtermsandconditions:·thematerialsmaybeusedonlyforpersonalandnon-commercialuse(forexampleacademic)providedthatyouretainallcopyrightandotherproprietarynoticescontainedintheoriginalmaterialsonanycopiesofthematerials·youmaynotmodifythematerialsinanywa
3、yorreproduceorpubliclydisplay,perform,ordistributeorotherwiseusethemforanypublicorcommercialpurpose·thematerialsarecopyrightedandanyunauthorizeduseofanymaterialsmayviolatecopyright,trademark,andotherlaws8www.unimap.edu.myLab6–PowerAmplifierMeasurementwithVectorNetworkAnalyzerObjectives
4、1)TocharacterizepoweramplifierwithreflectionandtransmissionmeasurementviaVectorNetworkAnalyzer.2)TomeasuregaincompressionusingpowersweepviaVectorNetworkAnalyzerBasicEquipmentSetupPAModuleIFFilterModuleRFFilterModulePAInputPAOutputMixerModuleAntennaModulePC/NotebookUSBRadioSoftware−cont
5、rolpanelPowerModuleUSBportSMACableSMACableUSBCableAccessoriesRequiredSMAM-MCoaxCableUSBCablePC/NotebookwithUSBRadioSoftwareinstalledVectorNetworkAnalyzerP1P2TransmitterunitFigure1.GeneralEquipmentconfigurationforPAmeasurementusingVNA.8www.unimap.edu.myIMPORTANTINFORMATION:Inmeasuringah
6、ighgainamplifier,itispossibleofoverloadingtheamplifierinputbycausingittosaturate,demonstratesignificantnon-linearity,andpossiblydamagingtheunit.Itcanalsodamagethetestequipmentduetohighpoweramplification.YoushouldeitheraddmoreattenuationtotheinputoroutputoftheamplifierorreducetheRFpower
7、ofthesignalsourcebeforerepeatingthemeasurement.Forthislaboratory,yourecalltheTRMcalibrationdatafromlab1bypressingandusingtheknobtoselectthesavedcalibrationdatainthenon-volatilememoryandfinallypressingRECALLSTATEItisbesttolookatjustonechannelatatime.Thatis,whenyouarelooki
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