DMB-TH高频解调模块（型号：CX-DTVT-A1） Description1LGS-8GL5-102isdesignedforusinginDMB-THsystem.2CompactSize:50mm*27.2mm*7.2mm3TDS-FDM-DemodICisbuiltin4ItsupportsANTBoostersupply5Optionalmechanicalcharacteristic:Horizontal Vertical6It susedtoasingleconversionapproachwiththereceptionfrequencyrangein470MHz~862MHz7IFBandwidthis6/7/8MHz8BandselectionandtuningisdonebyPLLIC. (PLLICiscontrolledbytheCOFDM-DemodIC[externalcontrolportpins])Weihght:20gCableconnector:RFinput(SMAConnector)HoldingstrengthofantjackExtractingForceAfter5Cycles:Min.0.7kgGeneralCharacteristics1TemperatureRange StorageTemperature:-20℃~+80℃ OperationTemperature:0℃~+65℃2Testconditions:Alldataholdunderfollowingconditions T(amd.):25/Humidity:45-65%FH Supplyvoltage(VS1~VS4):+5V2.5V1.8V1.2V3CurrentConsumption ANT(VS1):5mAtyp.10mAmax. Tuner IF-AMPSupply(VS3):110mAtyp.130mAmax. DemodulatorSupply(VS2):100mAtyp.120mAmax. DemodulatorSupply(VS4):50mAtyp.100mAmax.4AbsoluteMaximumRatings Tuner IFSupply(VS1):1.8V(+0.1V-0.25V)max. DemodulatorSupply(VS2):1.2V(+0.05V -0.05V)max. (VS3):2.5V(+0.05V -0.1V)max. ANTBoosterSupply(VSANT):5.0V,10mAmax.(tosupplyfortheBooster) .VAANTshouldbeoperatedwhentheactiveantennaisconnectedElectricalCharacteristics1InputFrequencyRange UHFBand:470MHz~862MHz2InputSignalLevel:-85dBm~-10dBm(Averagepower)3VoltageGain(1stIF):50dBtyp.40dBmin.4NoiseFigure(1stIF):6dBtyp.9dBmax.(atmax.gain)5OFDM-DemodIC:LGS-8GL56InputImpedance:50 7IFbandwidth:8MHz(-3dB)typ.8PhaseNoise 1KHz:-80dBc/Hztyp.-70dBc/Hzmax. 10kHz:-80dBc/Hztyp.-70dBc/Hzmax.9Supports4QAM,4QAM-NR,16QAM,32QAM,64QAMSubcarriersforbothfixedandmobileapplications10FECratesof0.40.60.8andguardintervalsof420,595,945symbols11MPEG-2Transportstreamoutputinparllelorserial12automaticeparameterdiscovery updqte13ControlDataFormat:referthefollowingI CBUS.可配各种RF天线头联系人:韦先生电话:13724278156QQ:308966784MSN:jbtwaston@live.cnEmail:wjil@163.com