品牌：罗德与施瓦茨Rohde&SchwarzThefamilycomprisesthefiveVectorNetworkAnalyzersZVRL,ZVREandZVRaswellasZVCEandZVCwhichextendthefrequencyrangeto8GHz.Allmodelsarecompactinstrumentswithintegratedgenerator,testsetandreceiver,eachtailoredtoadifferentfieldofapplication.Allanalyzerscanbesubsequentlyupgradedtothehigher-classmodels.ZVREandZVCE:theeconomymodelsThetestsetofthesemodelscomprisestwoSWRbridges(ZVRE)ordirectionalcouplers(ZVCE),anRFswitch,twomeasurementchannelsandonereferencechannel.TheymeasurethemagnitudeandphaseofallfourS-parametersofaDUT,allowafulltwo-portcalibration(TO***)andh***eanexceptionallyhighaccuracyandwidedynamicrange.ZVRE,ZVCE(bidirectional,3channels)ZVRandZVC:theuniversalmodelsZVRandZVCcompriseatestsetwithtwoSWRbridges(ZVR)ordirectionalcouplers(ZVC),anRFswitch,twomeasurementchannelsand-unlikeZVREandZVCE-tworeferencechannels.Withthisconfigurationavarietyofnovelcalibrationprocedures,egTNA,canbeperformed,whichc***iderablyimprovetheaccuracyparticularlyinnon-coaxialapplicati***.ZVRandZVCaretheallroundersofthefamilyandsuitableforapplicati***inR&Dandproductionnomatterhowsophisticated.ZVR,ZVC(bidirectional,4channels)TestsetsThenetworkanalyzerscanbeprovidedwithdifferenttestsetopti***sothatanoptimallyconfiguredtestsetupis***ailabletosuittheapplicati***.Forthe4GHzanalyzers"active"or"passive"testsetswithacharacteristicimpedanceof50Wor75Ware***ailable.A50Wpassivetestsetisstandardequipment.Withactivetestsets,theDUTcanbebiaseddirectlyviatheinnerconductorofthetestport.The8GHzmodelsZVCEandZVCarealwaysequippedwith50Wactivetestsets.Dependingonthemodel,thetestsetscompriseoneortwopowersplitters,anelectronicswitchandoneortwoSWRbridgesordirectionalcouplers.Additionalstepattenuators(0dBto70dB,componentsmarkedredinthedrawingsbelow)canbeinsertedintothegeneratorpathsandthetwomeasurementchannelstoextendthepowerrangeofthereceiversto+27dBmandtolowerminimumoutputpowerto-95dBm.WhenthetestsetsarefittedwithattenuatorsandtheExternalMeasurementsoption(componentsmarkedgreeninthedrawingsbelow),generatorandreceivercanbealternativelyswitchedtothreeportsonthefrontpanel(OUTPUTa1,INPUTb1,INPUTb2).Thisincreasesoutputpower,sensitivityanddynamicrange,andmeasurementsdownto10Hzcanbeperformedwiththe4GHzmodels.Inaddition,theflexibilityonexternaltestsets,e.g.usinganexternalpre-amplifier,isenhanced.TheReferenceChannelPorts(componentsmarkedblueinthedrawingsbelow)allowtofeedthesignalforthereferencechannela1fromoutside.Thisfeaturefacilitatese.g.phasemeasurementsonfrequencyconvertingdevices.ThetestportsarefittedwithfemaleNconnectors.网络分析仪：8753ES，8753E，8753D，8714ES，8714ET,R3765CH，E5070B，E5071B,E5071C，8711A,8711B,8711C,E5062A,R3765CH,R3765BH,R3765CG.8702D,8752C黄讯18938661102深圳市达瑞博电子有限公司是***从事高频测试仪器的研发、销售、租赁及服务为一体的科技服务型企业，从2004年8月至今，经过多年的积累及发展，我们集中了众多电子测试及营销精英，与美、英、德等***知名的多家仪器供应商建立了密切的合作关系，并创建了稳定而***的信息资源及商品供销渠道。我们的库存商品型多、量大,有数以百计的手机测试仪（8960及CMU200），另有大量的网络分析仪、频谱分析仪、DECT测试仪、综合测试仪、高频信号源等通讯测试仪器供租赁或选购，成色新且价格低廉，均具有优异的品质及***服务保证，可为您节约30%~90%的***成本。我们的经营范围：详情请联系我们：深圳市达瑞博电子有限公司地址：深圳市福田区福虹路华强花园C座14F电话：86-755-82514800传真：86-755-82514709手机：13421364554<lucy>18938661102<小高>ＱＱ：***(1):461489287***(2):820001***(3):349899792ＭＳＮ：liaoguomei@邮箱：daruibo@)