射频知识 RF SPEC Test

IntroductiontoRFSpecandTest HT4AkenFu2006 08 08 Basictheory Transmitmethod 1 longwaveandmiddlewave 100m 地面波传播2 shortwave 10M 100M 天波传播 电离层反射回地面 3 supershortwave 1M 10M andmicrowave 1M 空间波传播 基站 GSMBasictheory EGSM DCS PCS TX TX TX RX RX RX RFperformance ETSIspec 1 TRANSMITTER1 1 OutputPowerandBurstTiming1 2 PhaseError FrequencyError1 3 OutputRFSpectrum1 3 1 Spectrumduetomodulationouttolessthen1800kHzoffset1 3 2 Spectrumduetomodulationform1800kHzoffsettotheedgeofthetransmitband 1 3 3 SpuriousEmissionsinMSreceiverbands1 3 4 Spectrumduetoswitchingtransients 1 1 OutputPowerandBurstTiming 1 1 OutputPowerandBurstTiming 1 TransmitPowerandBurstTiming Frequencyerror 0 1ppmRMSphaseerror 5degreesPeakphaseerror 20degrees 1 2 PhaseError FrequencyError 1 3 OutputRFSpectrum 4 1 3 1 Spectrumduetomodulationouttolessthen1800kHzoffset 1 3 OutputRFSpectrum 1 3 2 Spectrumduetomodulationform1800kHzoffsettotheedgeofthetransmitband 1 3 OutputRFSpectrum 1 3 2 Spectrumduetomodulationform1800kHzoffsettotheedgeofthetransmitband 1 3 OutputRFSpectrum 1 3 2 Spectrumduetomodulationform1800kHzoffsettotheedgeofthetransmitband 1 3 OutputRFSpectrum 1 3 3 SpuriousEmissionsinMSreceiverbands 1 3 OutputRFSpectrum 1 3 3 SpuriousEmissionsinMSreceiverbands 1 3 OutputRFSpectrum 1 3 4 Spectrumduetoswitchingtransients RFperformance ETSIspec 2 TRANSCEIVER2 1 ConductedSpuriousEmissions2 1 1 MSallocatedachannel2 1 2 MSinidlemode2 2 RadiatedSpuriousEmissions2 2 1 MSallocatedachannel2 2 2 MSinidlemode ConductedSpuriousEmissions ConductedSpuriousEmissions 2 1 1 MSallocatedachannel TestSetup GSM f1 600MHzDCS f1 1200MHz GSM 600MHz f1 1600MHz excl TXband DCS 1200MHz f1 2500MHz excl TXband ConductedSpuriousEmissions 2 1 1 MSallocatedachannel GSM f1 1600MHzDCS f1 2500MHz ConductedSpuriousEmissions 2 1 1 MSallocatedachannel 2 1 2 MSinidlemode ConductedSpuriousEmissions RFperformance ETSIspec 2 2 RadiatedSpuriousEmissions RFperformance ETSIspec 2 2 RadiatedSpuriousEmissions RFperformance ETSIspec RECEIVER3 1 REFERENCESENSITIVITY3 2 USEABLERECEIVERINPUTLEVELRANGE3 3 CO CHANNELREJECTION3 4 ADJACENTCHANNELREJECTION3 5 INTER MODULATIONREJECTION3 6 BLOCKINGANDSPURIOUSRESPONSE3 7 AMSUPPRESSION RECEIVER3 1 REFERENCESENSITIVITY StaticConditionsWantedSignal 102dBm StaticLimits RECEIVER3 2 USEABLERECEIVERINPUTLEVELRANGE WantedSignal 15dBm 40dBmLimits RECEIVER3 3 CO CHANNELREJECTION Wantedsignal 82dBm fadingTUHigh FH TULow NoFHf1 91dBm continuous modulation fadingTUHigh FH TULow NoFH Modulation Limits canrangefrom1to1 6 RECEIVER3 4 ADJACENTCHANNELREJECTION Wantedsignal 82dBm FadingTU50Unwantedsignal 200kHz 73dBm continuous modulated FadingTU50 400kHz 41dBm continuous modulated Limits canrangefrom1to1 6 RECEIVER3 5 INTER MODULATIONREJECTION Wantedsignal 98dBmWantedsignal f1 49dBm continuous unmodulatedWantedsignal f2 GSM 50dBm DCS 49dBm continuous modulated Limits RECEIVER3 5 INTER MODULATIONREJECTION Testsetup RECEIVER3 6 BLOCKINGANDSPURIOUSRESPONSE Wantedsignal FR 99dBmUnwantedSignal f1 continue unmodulated Limits GSMBlocking RECEIVER3 6 BLOCKINGANDSPURIOUSRESPONSE Wantedsignal FR 99dBmUnwantedSignal f1 continue unmodulated Limits PCS1900 GSM RECEIVER3 6 BLOCKINGANDSPURIOUSRESPONSE Testsetup OutofbandGSM f1 600MHzDCS f1 1200MHz RECEIVER3 6 BLOCKINGANDSPURIOUSRESPONSE OutofbandGSM 600MHz f1 1600MHzDCS 1200MHz f1 2500MHz RECEIVER3 6 BLOCKINGANDSPURIOUSRESPONSE OutofbandGSM f1 1600MHzDCS f1 2500MHz RECEIVER3 6 BLOCKINGANDSPURIOUSRESPONSE InbandGSM 915MHz f1 980MHzDCS 1785MHz f1 1920MHz RECEIVER3 7 AMSUPPRESSION Wantedsignal 99dBmUnwantedsignal 31dBm GSMTDMAmodulatedbyrandomdatawithonetimeslotactive Offset 6MHz synchronizedto butdelayedbetween61and86bitperiodstotheburstsofthewantedsignal Limits RECEIVER3 7 AMSUPPRESSION Testsetup RFperformance T