JPS5915972U - High-speed microcurrent measuring device - Google Patents

High-speed microcurrent measuring device

Info

Publication number
JPS5915972U
JPS5915972U JP10934182U JP10934182U JPS5915972U JP S5915972 U JPS5915972 U JP S5915972U JP 10934182 U JP10934182 U JP 10934182U JP 10934182 U JP10934182 U JP 10934182U JP S5915972 U JPS5915972 U JP S5915972U
Authority
JP
Japan
Prior art keywords
input
terminal
measuring device
speed
output
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP10934182U
Other languages
Japanese (ja)
Inventor
徹 加賀
萩原　隆旦
勝忠 堀内
近藤　隆二
谷田　雄二
真一 南
Original Assignee
株式会社日立製作所
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP10934182U priority Critical patent/JPS5915972U/en
Publication of JPS5915972U publication Critical patent/JPS5915972U/en
Pending legal-status Critical Current

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  • Measurement Of Current Or Voltage (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図ａは、静電容量を有する試料に印加する電圧パル
ス図、１図すは、上記試料からの出力電流線図、第２図
は過大入力電流対策の施された本考案の一実施例回路図
、第３図ａは本考案の他の実施例回路図、ｂは、そのタ
イミング・チャート図である。Figure 1a is a voltage pulse diagram applied to a sample with capacitance, Figure 1 is an output current diagram from the sample, and Figure 2 is an implementation of the present invention with measures against excessive input current. FIG. 3A is a circuit diagram of another embodiment of the present invention, and FIG. 3B is a timing chart thereof.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 正入力端子を接地、又は抵抗を介して接地し、かつ出力
端子から、フイニド・バック抵抗Ｒｆを介する負入力端
子へのフィード・バック・ループを有する演算増幅器と
、前記演算増幅器の負入力端子に、入出力端子の１つを
接続し、他の入出力端子を電流を測定しようとする試料
からの出力線に接続された第１のスイッチング素子及び
、第１のスイッチング素子と試料を結ぶ導線部に入出力
端子の１つを接続し、他の入出力端子を接地した第２の
スイッチング素子からなる高速微小電流測定装置。an operational amplifier having a positive input terminal grounded or grounded via a resistor, and having a feedback loop from an output terminal to a negative input terminal via a finite back resistor Rf, and a negative input terminal of the operational amplifier; , a first switching element to which one of the input/output terminals is connected and the other input/output terminal connected to the output line from the sample whose current is to be measured; and a conductive wire section connecting the first switching element and the sample. A high-speed microcurrent measuring device consisting of a second switching element with one of its input/output terminals connected to the terminal and the other input/output terminal grounded.
JP10934182U 1982-07-21 1982-07-21 High-speed microcurrent measuring device Pending JPS5915972U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10934182U JPS5915972U (en) 1982-07-21 1982-07-21 High-speed microcurrent measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10934182U JPS5915972U (en) 1982-07-21 1982-07-21 High-speed microcurrent measuring device

Publications (1)

Publication Number Publication Date
JPS5915972U true JPS5915972U (en) 1984-01-31

Family

ID=30254742

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10934182U Pending JPS5915972U (en) 1982-07-21 1982-07-21 High-speed microcurrent measuring device

Country Status (1)

Country Link
JP (1) JPS5915972U (en)

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