陶瓷天线布线设计.pdf

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1、HowtoDoChipAntennaLayoutPleaseconsiderthepositionofantennaandPCBgroundlayerRecommendedAntennaPosition–PCBCornerRainSunGroundPlaneNoGroundAreaSuitableRainSunRFModuleGroundPlaneNoGroundAreaSuitableRainSunRFModuleGroundPlaneUnsuitableforradiationreasonHowtoDoChipAntennaLayout1of9AntennaSeriesLayou

2、tReferenceNoGroundArea2mmRainSun36mmRF-i/OThisantennarequiresagroundplaneHowtoDoChipAntennaLayout2of9AntennaSeriesLayoutReferenceManyfreedomspacenuSinaNoGroundAreaR2mmRF-I/OGroundPlaneHowtoDoChipAntennaLayout3of9AntennaMatchingNetworkExampleAntennaC=0.5pF~3pFRFinExamples-1AntennaL=3nH~3.9nHRFin

3、C=1.5pF~3pFGNDGNDExamples-2AntennaC=1.5pF~3pFRFinL=3nH~3.9nHGNDGNDExamples-3HowtoDoChipAntennaLayout4of9AnechoicChamberRadiationPatternMeasuredEnvironmentAbsorberHornstandardGainantennaAntennaunderHowtoDoChipAntennaLayout5of9RadiationPatternMeasuredantennaundertestHornstandardGainantennaTurntab

4、lePORT1PORT2NETWORKANALYZERHowtoDoChipAntennaLayout6of9RadiationPatternMeasuredH-PlaneE-PlaneHowtoDoChipAntennaLayout7of9MeasurementantennaundertestTestingInstrument:Anritsu37369CVNA(VectorNetworkAnalyzer)VNAcalibratewith1pathreflectiononlycalibrationsequenceontestboardfeedpoint.Thetestboardlay

5、outasrecommenddimension.HowtoDoChipAntennaLayout8of9MeasuredAntennapatternsReturnlossSmithChartHowtoDoChipAntennaLayout9of9