标签: 061215

061215TechnicalTrainingAntennaPrinciplesandPracticalDesignYollanda(Pu)XuShanghaiAmphenolAirwaveCommunicationLimited,P.R.China,Xupu@yahoo.com2003-07Ver.1.0AmphenolTechnicalTrainingOverviewPartI:AntennaPrinciple1234What’selectromagneticwave?What’sanantenna?Howdoesanantennawork?TherelatedparametersAmphenolTechnicalTrainingOverviewPartII:PracticalDesignII.1StubbyAntenna1Examplesofthehandsetantennas2HowtodesignantennainRFperspective?2.1RFdesignProcedure2.2AntennaStructure2.3Influenceofhandsetdesignonstubbyantenna3Conclusions1234II.2InternalAntennaDimensionofInternalAntennaRequirementsforPCBFeedPointandGroundTouchPadAntennaandBatteryAmphenolTechnicalTrainingOverv……