欢迎来到天天文库
浏览记录
ID:40567653
大小:36.41 KB
页数:16页
时间:2019-08-04
《RF Test Requirements》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、RFTestRequirementsTableofContents1Introduction52RFConductiveTestRequirements52.1Outputpower62.1.1TestItems62.1.2Requirements62.2Phase/FrequencyError72.2.1TestItems72.2.2Requirements72.3ReceptionSensitivity82.3.1TestItems82.3.2Requirements82.4ORFSduetoModulation92.4.1TestItems92.4.2Requirements9
2、2.5ORFSduetoSwitching102.5.1TestItems102.5.2Requirements103RFWirelessTestRequirements113.1Outputpower113.1.1TestItems113.1.2Requirements113.2Phase/FrequencyError113.2.1TestItems113.2.2Requirements123.3ReceptionSensitivity123.3.1TestItems123.3.2Requirements124RFCalibrationRequirements134.1AFCPar
3、ameters134.1.1AFCAlgorithm134.2AGCParameters144.2.1AGCAlgorithm144.3APCParameters154.3.1GSMAlgorithm154.4ADCParameters17IntroductionTheRFTestRequirementsaredefinedforverificationofRFperformancesuchthattheproductcomplieswiththerequirementsdefinedinGSMstandard.TwotypesofRFtestsareperformedduringp
4、roduction.Thefirsttestisdoneinboardlevelwithcableconnectiontotheradiotester(conductivetest).ThisisdonerightafterRFcalibrationprocedure.ThisistoensuretheRFconductiveperformancecomplieswithGSMstandard.Notethatduetotime-consumingofthetestprocedureonlycriticalitemsaretested.Thesecondtestisdoneinfin
5、ishproductlevelwithwirelessconnectiontotheradiotester(wirelesstest).Thisisdoneafterallboardleveltestsarefinished(includingbasebandfunctiontest)andfinalassemblyiscompleted.ThisistoensurethattheantennaiscorrectlyassembledandtheRFwirelessperformanceisacceptableforafinalproduct.Inthefollowingtwosec
6、tionsthetestrequirementsarelisted.TherequirementsaredefinedwithreferencetoGSMstandard05.05.TheCalibrationParametersandAlgorithmsrequiredareaddressedinChapter4.1RFConductiveTestRequirementsInthefollowingsubsections,thebanddenotationislistedbelow.BandNominalFrequencyChannelIndexGSM900900MHz975-10
7、23,0,1-124DCS1800MHz512-8851.1OutputpowerToverifyiftheproductcanoutputthedesiredpoweratgivenpowerlevelsandchannels.1.1.1TestItemsBandSelectedChannelsSelectedPowerLevelsGSM900975,62,1225,12,19DCS512,698,8850,7,151.1.2RequirementsGS
此文档下载收益归作者所有