标签: non-insertable

TechniquesforVNAMeasurementsofNon-insertableDevicesTECHNICALARTICLETechniquesforVNAMeasurementsofNon-insertableDevicesWhilethesimplestcoaxialtwoportdevicetomeasureonavectornetworkanalyzer(VNA)wouldbeinsertable(i.e.,onemaleandonefemaleconnector),theseareofteninaminorityofthedevicestobetested.Asaresult,adaptersorsomeothertechniquesarerequiredduringthecalibration.Innon-coaxialandmixedconnectorscenarios,theproblemsgetevenworse.Adapters,fixtures,andotherstructuresareoftenneededandtheirmathematicalcharacterizationandremovalisusuallyrequired.Theintentofthisdocumentistoexploresomeoftheoptionsavailabletodealwiththesesituationsandtheirrelativeperformanceattributes.Withtheexceptionofafewitems(notedinthetext),allofthetechniques……