TheelectronmeasuressignalgeneratorofMEGUROMSG-2050GPSofsourceofsignalofGPSofinstrumentsignalgenerator|Japaneseeyeisblack|GPSsignalsourceeMEGUROMSG-2050GPS信******生器|日本目黑|GPS信***源品牌：日本目黑MEGUROMSG-2050isasignalgeneratordesignedforgeneratingthesimulationsignalofGPS(GlobalPositioningSystem)satellite.特點■Frequency■Frequencystabilityofinternalreferenceoscillatorislessthen5%26times;10-7■Rapidchangingoutputlevelandthelevelrangeisfrom-80dBmto-140dBm■Dopplershiftfunctionisnotbuilt-in■TheoutputterminalisDC-cuttoabletoconnecttothepoweredantennacable.■AllN***IdatapresetbyGP-IBlineandalsoRS-232C.■AnautomaticZcountincrementfunctionisequippedsoastosynchronizewithrealtimeclock.■ThefrontpaneloperationcanbeprogrammedbyGP-IBandRS-232C.*Theapplicationprogramisattached.规格FrequencyCharacteristicsFrequency1.57542GHzIndicationVFDdisplayAccuracy5%26times;10-7OutputCharacteristicsOutputrange-80dBmto-140dBmin1dBstepIndicationVFDdisplayAccuracy%26plu***n;1.0dBfor-80dBmto-140dBmOutputimpedance50%26Omega;,VSWRlessthan1.2SpuriousoutputLessthen-40dBatsecondharmonicSettingCanbesetwithshuttleknob,GP-IB,RS-232CModulationModulationmethodBPSKdirectsequencespreadspectrummodulationIndicationVFDdisplayModulationcode37C/AcodesChannelSV1toSV37Modulationfrequency1.023MHzclockDatamodulationC/Acodesynchronizeddivider,50bpsBPSKN***Idata50bpstestpatternSettingCanbesetwithshuttleknob,GP-IB,RS-232CZcountAutomaticincrementfunctionisequippedsoastosynchronizewithrealtimeclock.InterfaceFunctionParallelinterfaceGP-IB(ComplyingwithIEEEstandard488-1975)SerialinterfaceRS-232CGeneralDataOperatingtemperaturerange+10%26ordm;Cto+40%26ordm;CPowerrequirementAC90Vto240V,50/60HzDimensi***Approx.240(W)%26times;100(H)%26times;350(D)mmWeightApprox.3.7kg中赛仪器库存大量各种高频仪器现货***出售中本公司长期现金回购各种高频仪器联糸人；张彬13556784911/18922936706电话；0769-33355531传真；0769-23362124选用二手测量仪器的优势是：1、与新购仪器几个月的供货期相比，购买二手仪器的供货期要短的多。在时间就是市场的今天，优势无疑是***为明显的。2、二手仪器的价格便宜，基本为新购仪器价格的20%～50%。在电子技术迅速发展的今天，仪器的更新也在加快，***越少则风险越小。3、为了让您放心地使用我们提供的二手仪器，我们销售的二手仪器可以做到：1、保修半年至一年不等。2、可以根据您的要求，将仪器送至***级计量测试单位进行校准。)