东莞鑫源慧电子仪器有限公司张先生：13826950635回收工厂闲置/倒闭电子仪器，个人处理仪器，欢迎来电！！电话：0769-81907389回收工厂闲置/倒闭电子仪器，个人处理仪器，欢迎来电！！传真：0769-81907389回收工厂闲置/倒闭电子仪器，个人处理仪器，欢迎来电！！QQ：1335421520回收工厂闲置/倒闭电子仪器，个人处理仪器，欢迎来电！！邮箱:zyb8630@回收工厂闲置/倒闭电子仪器，个人处理仪器，欢迎来电！！地址：东莞市塘厦林村新阳路南7号网址：http://www.zyb8630.本公司长期收购及出售:音频仪器,视频仪器,高频仪器(如网络分析仪,频谱分析仪高频信号源,无线电综合测试仪等高频仪器,并高频承接仪器维修)!★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/0314A)