产品名称：ESVB测试接收机ESVB.pdf相关产品：ESPIESL现货9成新完好租售电话13318850416***:80176707罗德与施瓦茨R&SESVB20MHZ-2050MHZ接收机EMI是ElectroMagneticInterference的缩写，有传导干扰和辐***扰两种。传导干扰是指通过导电介质把一个电网络上的信号耦合（干扰）到另一个电网络。辐***扰是指干扰源通过空间把其信号耦合（干扰）到另一个电网络。在高速PCB及系统设计中，高频信号线、集成电路的引脚、各类接插件等都可能成为具有天线特性的辐***扰源，能发射电磁波并影响其他系统或本系统内其他子系统的正常工作。ESVB测量接收机，大屏幕显示器系列，60分贝甚至准峰值和平均指示;70民建联/的DVB信号测量分贝不改变输入衰减1固定调整和5跟踪预选滤波器，可以选择4个附加的固定调谐滤波器ESVB接收机—到1/2.05GHzreceveir20MHz的，在数字音频和视频广播网络的覆盖面测量民建联，DVB-T的Largedisplayrange,60dBevenforquasi-peakand***erageindication;70dBforDAB/DVBsignalmeasurementswithoutchanginginputattenuation1fixed-tunedand5trackingpreselectionfilters,optionally4additionalfixed-tunedfiltersCrystal-stabilizedsynthesizeras1stlocaloscillator,variablein100Hzsteps,sweepmodeforfastfrequencyscanning;frequencyaccuracycomplyingwithG***recommendati***IFfilters(10kHz,120kHz,300kHz)withoptimizedgroupdelayinthethirdIFstage;additional1.5MHzand8MHzchannelfiltersforDAB/DVB(SAWfilterstype).I/Qdemodulator(1.5/4MHzbandwidthperdemodulatedchannel);I/Qdemodulatorfornarrow-bandIFfiltersincludedinESN-B1(bandwidth=1/2IFbandwidth)OtherInfo:Withabandwidthof1.5MHzand8MHzmatchingtheDAB/DVB-Tchannel,ESVBisabletocovertheentireCOFDMspectrum.ThepowerofthetotalspectrumatthereceiverinputisthemeasureofDAB/DVB-Tcoverage.Duetotheadditionofverymanycarrierswithpseudorandomphases,theDAB/DVB-Tsignalbeh***eslikewhitenoisewithinthetran***issionbandwidth,sothatonlytheRMSmeasurementmethodissuitablefordeterminingthepower.Athermalpowermeterisinadequateformobilemeasurementsbecauseofthespeed.Therefore,theESVBfeaturesanRMSdetectorallowingthepoweratthereceiverinputtobeindicatedveryquicklyandoverawiderange)