您好,欢迎访问三七文档
当前位置:首页 > 商业/管理/HR > 信息化管理 > RF 车用产品测试说明
RF車用產品測試說明JerryLiuNov.28,2007Topic•常見的車用RF產品介紹•RF產品之測試法規簡介-FCC-CE•結論常見之車用RF產品•FMtransmitter•Bluetooth•GPS•Remotecontroller•DVB-T•RFID•TPMSTestStandard之選擇依據•OperatingFrequency•Modulation•OutputpowerFCC之測試要求相關法規介紹FCC15B•GeneralEMCrequirement•ConductedEmissions•RadiatedEmissionsFCC15.231•器材型式:間歇性或周期性(periodic)發射之器材•工作頻率:40.66-40.70MHzandabove70MHz•此頻段限用於傳送控制訊號(ex:alarmsystems,dooropeners,remoteswitches),但不得用於連續性傳輸•TestItem:1.Fundamentalfieldstrength@3m(dependentonfundamentalfreq.)2.Radiatedspurious3.手動發射器須有一開關,按下此開關後5秒內自動停止發射4.具自動控制裝置使每次發射時間少於5秒之週期性發射FCC15.239•工作頻率:88至108MHz•TestItem:1.Fundamentalfieldstrength@3m≦48dBuV/m(average)2.Radiatedspurious3.Bandwidth<200kHz4.The200kHzbandshallliewhollywithinthefrequencyrangeof88-108MHz.FHSS•Conduction•Radiatedspurious•No.ofhoppingchannel•20dBBandwidth•Carrierfrequenciesseparation•Dwelltime(DH1,DH3,DH5)•Maximumpeakoutputpower•Band-edge•MPE/SARDSSS/OFDM•Conduction•Radiatedspurious•6dBBandwidth•Maximumpeakoutputpower•Peakpowerspectraldensity•Band-edge•MPE/SARFCC15.247•工作頻率:902–928MHz,2400–2483.5MHz,and5725–5850MHz.Band-EdgetestFCC15.249工作頻率:902-928MHz,2400-2483.5MHz,5725-5875MHz,and24.0-24.25GHz.器材型式:analogmodulateddigitallymodulated(小功率產品)TestItem:1.Fundamentalfieldstrength@3m2.RadiatedspuriousCER&TTE之要求•EMC•R&TTE•LVD測試法規要求(續)ETSIEN301489series(EMC)•Part1:Commontechnicalrequirement(GeneralEMCrequirement)•Part2~Part32:Harmonizedstandardfordifferenttypeofradioequipment-Part3:9kHz-40GHzShortRangeDevice(SRD)-Part17:2.4GHz&5GHzWidebandtransmissionsystemsETSIEN300328(for2.4GHz產品)•MaximumtransmitPower•Maximume.i.r.pspectraldensity•FrequencyRange•Transmitterspuriousemissions•ReceiverspuriousemissionsETSIEN300220ShortRangedevices(SRD)usedintherange25MHzto1000MHz;powerlevelupto500mW(常見產品:433.92MHzremotecontroller)Part1:TechnicalrequirementPart2:HarmonizedstandardofR&TTEDirectiveTestItem(EN300220)Frequencyerror&frequencydriftCarrierpower(conducted)EffectiveradiatedpowerTransientpowerAdjacentChannelpowerModulationBWforwidebandequipment(200kHz)Frequencydeviation/AmplitudedeepSpuriousemissionsFrequencystabilityunderlow-voltageconditionsDutycycleListenBeforeTalk(LBT)TypesofspreadspectrummodulationMaximumusablesensitivity(conducted)ReceiverLBTthresholdandtransmittermaxon-timeAdjacentchannelselectivityBlockingordesensitizationIntermodulationresponserejectionSpuriousresponserejectionSpuriousradiationsTransmitterrequirementsReceiverrequirementsETSIEN300440EquivalentisotropicallyradiatedpowerPermittedrangeofoperatingfrequencies(Transmitter)RadiatedSpuriousemission(Tx,Rx&Standby)ShortRangedevices(SRD)usedintherange1GHzto40GHzETSIEN301357Cordlessaudiodevicesintherange25MHzto2GHz(常見產品:88-108MHzFMtransmitter)Part1:TechnicalrequirementPart2:HarmonizedstandardofR&TTEDirectiveETSIEN301357BandIILPDEffectiveradiatedpowerOccupiedbandwidth(Transmittermask)ChannelSpacingFrequencyerrorTransmittertimeoutRadiatedspuriousPowermaskTypicallyRFtestconfiguration–RadiatedmethodEUTSignalcableBiLogantennaSpectrumanalyzerOrReceiver0.8mR.G.POpenAreaTestingSiteorSemi-anechoicchamber1~4meterTypicallyRFtestconfiguration–ConductedmethodEUTSignalcable(Asshortaspossible)SpectrumanalyzerOrPowerMeterATT.DCBlockEnvironmentControlChamberConclusion•無線產品模組debug-模組遮罩-系統搭接-介面處理•容易發生失效的測試項目-Band-edge-Powermask-Spurious-Frequencystability認證測試必備之產品資訊•RFoutputpower•Operatingfrequencyrange•Bandwidth•Modulationtype•Ant.Gain(Ant.Type)Thanksforyouattendance!
本文标题:RF 车用产品测试说明
链接地址:https://www.777doc.com/doc-3244250 .html