JPS59151161U - Multi-point measurement circuit - Google Patents

Multi-point measurement circuit

Info

Publication number
JPS59151161U
JPS59151161U JP4514283U JP4514283U JPS59151161U JP S59151161 U JPS59151161 U JP S59151161U JP 4514283 U JP4514283 U JP 4514283U JP 4514283 U JP4514283 U JP 4514283U JP S59151161 U JPS59151161 U JP S59151161U
Authority
JP
Japan
Prior art keywords
amplifier
guard
point measurement
measurement circuit
switch
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
JP4514283U
Other languages
Japanese (ja)
Inventor
大津　博
栗原　洋一郎
Original Assignee
横河電機株式会社
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 横河電機株式会社 filed Critical 横河電機株式会社
Priority to JP4514283U priority Critical patent/JPS59151161U/en
Publication of JPS59151161U publication Critical patent/JPS59151161U/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 the drawing]

第１図は従来の多点測定回路の一例の接続図、第２図は
本考案に係る多点測定回路の一実施例の接続図である。 Ｅ１〜Ｅｎ・・・・・・被測定電圧源、５ｌａ−３ｎａ
・・・・・・メインの切換スイッチ、Ｕｌ・・・・・・
演算増幅器、Ｓ１ｂ〜Ｓｎｂ、Ｓ１ｂ〜Ｓｎｂ・・・・
・・ガード用スイッチ、Ｕ２・・・・・・バッファ・ア
ンプ、Ｏｕｔ・・・・・・出力端子。FIG. 1 is a connection diagram of an example of a conventional multi-point measurement circuit, and FIG. 2 is a connection diagram of an embodiment of a multi-point measurement circuit according to the present invention. E1~En... Voltage source to be measured, 5la-3na
・・・・・・Main changeover switch, Ul・・・・・・
Operational amplifier, S1b to Snb, S1b to Snb...
...Guard switch, U2...Buffer amplifier, Out...Output terminal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 複数個の被測定電圧源、増幅器、夫々メインの切換スイ
ッチと第１のガード用スイッチよりなり前記被測定電圧
源と増幅器の間に接続された複数個の直列回路、前記増
幅器の入力電圧に対応した電圧がその入力端に加入られ
るバッファ・アンプ、このバッファ・アンプの出力端に
一端が接続され他端が前記直列回路に各別に接続された
複数個の第２のガード用スイッチ、及び前記増幅器の出
力端に接続された出力端子を具備し、前記メインの切換
スイッチと第１のガード用スイッチよりなる１つの直列
回路をＯｎに選択したときこの直列回路に接続された第
２のガード用スイッチをＯｆｆに選択するように構成し
たことを特徴とする多点測定回路。A plurality of voltage sources to be measured, an amplifier, and a plurality of series circuits each consisting of a main changeover switch and a first guard switch connected between the voltage source to be measured and the amplifier, corresponding to the input voltage of the amplifier; a buffer amplifier to which the voltage applied is applied to its input terminal; a plurality of second guard switches each having one end connected to the output terminal of the buffer amplifier and the other end connected to the series circuit; and the amplifier. a second guard switch connected to the series circuit when one series circuit consisting of the main selector switch and the first guard switch is turned on; A multi-point measurement circuit characterized in that it is configured to select Off.
JP4514283U 1983-03-29 1983-03-29 Multi-point measurement circuit Pending JPS59151161U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4514283U JPS59151161U (en) 1983-03-29 1983-03-29 Multi-point measurement circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4514283U JPS59151161U (en) 1983-03-29 1983-03-29 Multi-point measurement circuit

Publications (1)

Publication Number Publication Date
JPS59151161U true JPS59151161U (en) 1984-10-09

Family

ID=30175658

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4514283U Pending JPS59151161U (en) 1983-03-29 1983-03-29 Multi-point measurement circuit

Country Status (1)

Country Link
JP (1) JPS59151161U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0285766A (en) * 1988-09-21 1990-03-27 Minolta Camera Co Ltd Range switching circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS537353A (en) * 1976-07-09 1978-01-23 Takeda Riken Ind Co Ltd Switching circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS537353A (en) * 1976-07-09 1978-01-23 Takeda Riken Ind Co Ltd Switching circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0285766A (en) * 1988-09-21 1990-03-27 Minolta Camera Co Ltd Range switching circuit

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