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2 个结果
  • 简介:Inthispaper,akindofWeakCurrentTester(WeCT)isdescribed.Itisdesignedtotesttheweakcurrentwhichrangesfrom0.1nAto100μA.Themodulehasdividedthemeasurementrangeintosixsectionsincludingof1nA,10nA,100nA,1μA,10μAand100μA.Thetestercanreceivenotonlypositivepolaritycurrentbutalsonegativepolaritycurrent.Asfarastheprincipleisconcerned,wefirstlyconverttheweakcurrenttoasmall

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