JPS5819515U - Operational amplifier malfunction prevention circuit - Google Patents

Operational amplifier malfunction prevention circuit

Info

Publication number
JPS5819515U
JPS5819515U JP11346681U JP11346681U JPS5819515U JP S5819515 U JPS5819515 U JP S5819515U JP 11346681 U JP11346681 U JP 11346681U JP 11346681 U JP11346681 U JP 11346681U JP S5819515 U JPS5819515 U JP S5819515U
Authority
JP
Japan
Prior art keywords
operational amplifier
prevention circuit
voltage
malfunction prevention
amplifier malfunction
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
JP11346681U
Other languages
Japanese (ja)
Inventor
北見　篤弘
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 JP11346681U priority Critical patent/JPS5819515U/en
Publication of JPS5819515U publication Critical patent/JPS5819515U/en
Pending legal-status Critical Current

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  • Amplifiers (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) [Abstract] 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図は従来回路の一例を示す接続図、第２図はその入
出力特性図、第３図は本考案回路の一実施例を示す接続
図、第４図はその入出力特性図である。 ＯＰ・・・演算増幅器、■や・・・単一電源、Ｑ・・・
トランジスタ、ＲＣ・・・抵抗、Ｆ・・・フィルタ回路
。Fig. 1 is a connection diagram showing an example of a conventional circuit, Fig. 2 is its input/output characteristic diagram, Fig. 3 is a connection diagram showing an embodiment of the circuit of the present invention, and Fig. 4 is its input/output characteristic diagram. . OP...Operation amplifier, ■Y...Single power supply, Q...
Transistor, RC...resistance, F...filter circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 単一電源で動作する演算増幅器の出力端にＰＮＰ形トラ
ンジスタのベースを接続して、そのコレクタ電流に比例
する電圧を出力電圧とし、入力電圧を演算増幅器の反転
入力端子に加え、出力電圧に関連する帰還電圧を演算増
幅器の非反転入力端子に加えるようにしたことを特徴と
する演算増幅器の誤動作防止回路。Connect the base of a PNP transistor to the output terminal of an operational amplifier that operates on a single power supply, set the voltage proportional to its collector current as the output voltage, and apply the input voltage to the inverting input terminal of the operational amplifier to generate a voltage proportional to the output voltage. What is claimed is: 1. A malfunction prevention circuit for an operational amplifier, characterized in that a feedback voltage is applied to a non-inverting input terminal of the operational amplifier.
JP11346681U 1981-07-30 1981-07-30 Operational amplifier malfunction prevention circuit Pending JPS5819515U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11346681U JPS5819515U (en) 1981-07-30 1981-07-30 Operational amplifier malfunction prevention circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11346681U JPS5819515U (en) 1981-07-30 1981-07-30 Operational amplifier malfunction prevention circuit

Publications (1)

Publication Number Publication Date
JPS5819515U true JPS5819515U (en) 1983-02-07

Family

ID=29907764

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11346681U Pending JPS5819515U (en) 1981-07-30 1981-07-30 Operational amplifier malfunction prevention circuit

Country Status (1)

Country Link
JP (1) JPS5819515U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5551076B2 (en) * 1975-08-27 1980-12-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5551076B2 (en) * 1975-08-27 1980-12-22

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