摘要
Inthispaper,akindofWeakCurrentTester(WeCT)isdescribed.Itisdesignedtotesttheweakcurrentwhichrangesfrom0.1nAto100μA.Themodulehasdividedthemeasurementrangeintosixsectionsincludingof1nA,10nA,100nA,1μA,10μAand100μA.Thetestercanreceivenotonlypositivepolaritycurrentbutalsonegativepolaritycurrent.Asfarastheprincipleisconcerned,wefirstlyconverttheweakcurrenttoasmall
出版日期
2001年01月11日(中国期刊网平台首次上网日期,不代表论文的发表时间)