调制信号发生器MG3670BMG3670C宽频带范围:300KHz~2.25GHz可通过后面板扩展连接器MG0301C/0302A/0305A/0307A/0311A调制单元扩展与日本,北美和欧洲的通信系统测量信号相兼容高调制精度(矢量误差≤1.8%rms)输出调制信号与每个通信系统匹配带数据编辑及倒频功能的内部图象发生器输出IS-95通道多路传输信号技术指标CarrierfrequencyFrequencyrange300kHzto2250MHz(mg3670B/C),300kHzto2750MHz(MG3671A/BandMG3672A)AccuracyDependsoninstalledreferencecscillator*^1IntemalreferenceoscillatorFrequency:10MHzStart-upcharacteristics:≤1*10^-7/day(after30min.warm-up),≤5*10^-8/day(after60min.warm-up)Agingrate:≤2*10^-8/day(after24hwarm-up)Temperaturecharacteristics:Agingrate:≤&plu***n;5*10^-8(0°to50℃)Extemalreferenceinput10MHzor13MHz(&plu***n;10ppm),,2to5Vp-p,BNCconnector(rearpanel)Referenceoutput10MHz,2to5Vp-p,BNCconnector(rearpanel)OutputLevelrange*^2-143to+13dBm(resolution:0.1dB)Frequencyresp***e≤&plu***n;dB(at0dBmoutput)Levelaccuracy*^2Outputlevel/frequency≤1000MHz>1000MHz-33to+13dBm&plu***n;1dB&plu***n;2dB-123to-33.1dBm&plu***n;1.5dB&plu***n;2dB-136to123.4dBm&plu***n;3dB&plu***n;4dBImpedance50Ω,N-typeconnctorContinuouslyvariblelevel*^2Continuouslyvariableoutputover20dBrqnge(+8to-12dB)in0.1dBstepswithinupperandlowerlimlitsofanyoutputlevelLevelunitdBm,dBμ,μV,mV,V(dBμ,μV,mV,Vselectedterminate/openvoltagedisplay)Interferencera***tion≤1μV*Measured25mmfromcabinet(exceptrearpane)withtwo-turn25mmdiameterloopantenna,terminatedwith50Ωload,≤+5dBmoutput,CWSignalpuritySpurious(at≤+5dBmoutput)≤-65dBc(≥100kHzoffset,≤&plu***n;100MHz,≤-50dBc(≥100kHzoffset,fullband)≤-40dBc(≥2.65HGz,spuriousat5.4-Fout(carrierfrequency)GHz],≤-30dBc(harmonics)SSBphasenoise≤-120dBc/Hz(100kHz,offset,CW)DingitalmodulationIntermalmodulatonDependsoninstalledmodulationunit(MG030C/0.02A/0.10A/0311A/0312A/0314AExternalmodulationForMG3670B/C,MG3671A/BAnymodulationusingI/QinputsignalInputfrequency:DCto1.2MHz*^3Inputlevel:sqr(I^2+Q^2)≤0.5Vrms,BNCconnector*I/Q≤1.5Vp-p(50Ω),I/Q≤10%to100%of1.5Vp-p(CMOS)Vectorerror:≤1.8%r***(I/Qinputlevel:1Vrms/50Ω,at≤+5dBmoutputForMG3672A50ΩinputInputfrequency:DCto30MHz(BW:3dB,18°to30℃)Inputlevel:sqr(I^2+Q^2)≤1.0Vrms,I/Q≤1.5Vp-pCMOSinputInputfrequency:DCto1.2MHz,Inputlevel:sqr(I^2+Q^2)≤1.0Vrms,I/Q≤1.5Vp-pI/QoutputOutputsI/Qsignalatinternalmodulation(MG0310A/0305A/0307A/0310A/0311A/0312A/0314AinstalledPulsemodulationInputTTLlevel,BNCconnector,polarityselectableOn/offratio≥40dB(at≥0dBmoutput)Transitontime≤2μs,minimumpulsewidth:10μsMemoryfunctionFrequencymemory1000carrierfrequencies(s***eandrecall)Pqrqmetermemory100pansettings(s***eandrecall)OtherfunctionRelativedisplayCarrierfrequency.outputlevelI/QsignaladjustmentVarableoffset,balance,phase(onlyoutput)ofI/Qinput/outputsignal(DCto1.2MHz)BackupLastsettingsstoredatpower-offReversepowerprotectonMaximumreverseinputpower:50W(<1000MHz)&plu***n;50VdcGPBAllfuncti***exceptpowerswitchandpanellockswitchcontrolledInterfacefunction:SH1,AH1,T6,L4,SR1,RL1,PP0,DC1,C0,EF2Operatingtermperatue0°to50℃Power100to120/200to240Vac(switchable)47.5to63Hz≤550VADimensi***andmass(426&plu***n;5)W*(221.5&plu***n;4)H*(451&plu***n;5)Dmm≤27kgEMC*^4EN55011(1991,Group1,ClassA),EN50082-1(1992),Harmoniccurentemissi***EN61000-3-2(1995)SafetyEN61010-1:1993(InstallationCategoryⅡ,PollutionDegreeⅡ)Model/OrderNo.NameMG3670BMG3670CMG3671AMG3671BMG3671AMG0301CMG0302AMG0303BMG0305AMG0307AMG0310AMG0311AMG0312AMG0314AJ0576BJ0127AJ0017FB0325F0014F0012W0869AEW0932AEW0869BEW1462AEW0872AEW0691AEW1462AEW0872AEW0691AEW0851AEW0949AEW1183AEB0405AB0406AW1050AEW1412AeB0416AB0418AMainframeDigitalModulationSignalGeneratorDigitalModulati***ignalGeneratorDigitalModulationSignalGeneratorDigitalModulationSignalGeneratorDigitalModulationSignalGeneratorDigitalModulationSignalGeneratorExpansionunits(factoryinstalled)μ/4DQPSKMdodulationUnit(forPDC,PDC_H,PHS,NADCandTFTScommunicationsystems)GMSKModulationUnit(forG***,PCN(DCS1800),andCT2communicationsystem)BurstFunctionUnit(forPDC,PDC_H,PHS,NADC,TFTS,G***,PCN(DCS1800),CT2,DECTcommunicati***ystem)μ/4DQPSKModulationUnit(forPACS,WCPE,PHScommunicationsystem)QPSKModulationUnitW-CDMAModulaitonUnitStandardaccessories(formainframe)Coaxialcord(N-P.5D-2W.N-P),1m:Powercord,2.5mShieledcoverforGPIB:Fuse,6.3A(for100Vacpowersupply)Fuse,3.15A(for200Vacpowersupply)MG3670A/BoperationmanualMG3671A/BoperationmanualMG3672B/C,MG3671A/BservicemanualMG3672AoperationmanualStandardaccessories(forexpansionunits)MG0301C/0303BoperationmanualMG0302A/0303BoperationmanualMG0305A/0303BoperationmanualMg0307A/0303BoperationmanualMG0310AoperationmanualExchangesheetforfrontpanelExchangesheetforreallpalnelMg0312AoperationmanualMg0314AoperationmanualExchangefrontpanelsheetExchangerearpanelsheetMG3670/3671/3672-01MG3670/3671/3672-02MG3670/3671/3672-03MG3670-20MG3670B/3671A-25MG0301C-22MG0302A-23J0127CJ0003AJ0576DJ0004J0007J0008B0329DB0331DB0332B0333DB0334DMS8604AMT8801BMD1620BMD6420AMP1201CMS2602A1pc2pcs1pc1pc2pcs2pcs1copy1copy1copy1copy1copy1copy1copy1copy1copy1pc1pc1copy1copy1pc1pcModelStart-upcharacteristicsAgingrateTemperaturecharacteristic(0°to50℃MG3670/3671/3672Option017*10/day(after30min.warm-up)3*10/day(after60min.warm-up)5*10/day(after24-hwarm-up)&plu***n;5*10/dayMG3670/3671/3672Option022*10/day(after60min.warm-up)2*10/day(after48-hwarm-up)&plu***n;1.5*10/dayMG3670/3671/3672Option03-5*10/day(after48-hwarm-up)&plu***n;5*10/dayMG3670BOption20RFoffreleasefunction(WhenRFisoff,levelsettingisenabled.)MG0301COption22RHSLCCHsuperframecontrolpatternfunction(artificialbasestationsignaloutputforfieldstrengthmeasurement:APSconnectiontestisimpossible.)MG0302AOption23CT2MUX3controlpatternfunctionMG3670B/3671AOption25Formatupgrade(enablesMG0310AtobeusedinMG3670B/3671A)