模拟示波器VP-5520B详细参数(PDF文件)[看PDF需安装软件AdobeReader]Thiswide-bandportableoscilloscope,ModelVP-5520A,whichiscompactandlightinweight,isdesignedtocoveruseinawiderangeofenvironmentalconditi***throughfullemploymentoftransistorsandICs.TheVP-5520Ahasaverticalamplifiercircuitwhichpermitsadual-tracedisplayinsuchawide-bandoffromDCto200MHz.Thesensitivityrangeisfrom2mV/DIVto12.5V/DIV.andbyconnectingchannels1and2incascadeitcanbeincreasedtoahighverticaldeflectionfactorof400μV/DIV.Thetriggercircuitoperatesstablyintheentirefrequencyrangeofmeasurementandhasanautotriggerfacility.Thesweeptimeiswideinrangeoffrom2nsec/DIVto1.25sec/DIV,andadelayedsweepfeatureofthetriggercircuitincreasesmeasurementaccuracy.TheinstrumentcanalsoserveasapreciseX-Yoscilloscopeortriple-traceoscilloscopewiththethirdtracetoviewatriggersignalinthedisplay.Thebuilt-insamplingcircuithasafacilitytopermittherecordingoftheverticalaxissignalonarecorderorthelike,andtheinstrumentfindsawidevarietyofapplicationsuchasrecordandanalysisoftheresultofmeasurementaswellasconnectionwithothersystem.Thepowersuppliesareallregulatedandhardlyaffectedadverselybyalargevoltagefluctuationinthemains.Theoperatingtemperaturerangeisfrom0°to+50°C,andthewarm-uptimeis10min.orless.返回示波器)