JPS59187216U - Current-limited feedback amplifier circuit - Google Patents

Current-limited feedback amplifier circuit

Info

Publication number
JPS59187216U
JPS59187216U JP7945783U JP7945783U JPS59187216U JP S59187216 U JPS59187216 U JP S59187216U JP 7945783 U JP7945783 U JP 7945783U JP 7945783 U JP7945783 U JP 7945783U JP S59187216 U JPS59187216 U JP S59187216U
Authority
JP
Japan
Prior art keywords
current
amplifier circuit
feedback amplifier
limited feedback
inverting amplifier
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.)
Granted
Application number
JP7945783U
Other languages
Japanese (ja)
Other versions
JPH0641381Y2 (en
Inventor
敏秋 塚田
新美　良久
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 JP1983079457U priority Critical patent/JPH0641381Y2/en
Publication of JPS59187216U publication Critical patent/JPS59187216U/en
Application granted granted Critical
Publication of JPH0641381Y2 publication Critical patent/JPH0641381Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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図は従来の回路側図、第２図は本考案の一実施例を
示す回路図、第３図〜第７図は本考案の他の実施例を示
す回路図である。 Ａ・・・演算増幅器、Ｑ工〜Ｑ４・・・トランジスタ、
Ｒ３゜Ｒ，、Ｒ，、Ｒ６，Ｒ７−・・抵抗、Ｚｌ−＊荷
。 ７　　図FIG. 1 is a side view of a conventional circuit, FIG. 2 is a circuit diagram showing one embodiment of the present invention, and FIGS. 3 to 7 are circuit diagrams showing other embodiments of the present invention. A... operational amplifier, Q engineering ~ Q4... transistor,
R3゜R,,R,,R6,R7-...resistance, Zl-*load. 7 Figure

Claims (1)

【実用新案登録請求の範囲】 反転増幅器と、出力バッファ回路と、出力バッファ回路
から反転増幅器に電圧信号を帰還する第１の帰還手段と
、出力バッファ回路に流れる電流を検出する電流構出回
路と、電流検出回路から反転増幅器に電流信号を帰還す
る第２の帰還手段とを具備し、電流制限時に反転増幅器
が飽和しないように構成したこと゛を特徴とする電流ル
ｌ限形帰還漉 増幅回路。　　　　゛[Claims for Utility Model Registration] An inverting amplifier, an output buffer circuit, a first feedback means for feeding back a voltage signal from the output buffer circuit to the inverting amplifier, and a current structure circuit for detecting a current flowing through the output buffer circuit. and a second feedback means for feeding back a current signal from the current detection circuit to the inverting amplifier, and is configured to prevent the inverting amplifier from being saturated when the current is limited. .゛
JP1983079457U 1983-05-26 1983-05-26 Current limiting feedback amplifier circuit Expired - Lifetime JPH0641381Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1983079457U JPH0641381Y2 (en) 1983-05-26 1983-05-26 Current limiting feedback amplifier circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983079457U JPH0641381Y2 (en) 1983-05-26 1983-05-26 Current limiting feedback amplifier circuit

Publications (2)

Publication Number Publication Date
JPS59187216U true JPS59187216U (en) 1984-12-12
JPH0641381Y2 JPH0641381Y2 (en) 1994-10-26

Family

ID=30209460

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983079457U Expired - Lifetime JPH0641381Y2 (en) 1983-05-26 1983-05-26 Current limiting feedback amplifier circuit

Country Status (1)

Country Link
JP (1) JPH0641381Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009284201A (en) * 2008-05-22 2009-12-03 Yokogawa Electric Corp Negative feedback amplifier

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5622814U (en) * 1979-07-27 1981-02-28
JPS57184309A (en) * 1981-05-09 1982-11-13 Pioneer Electronic Corp Protecting circuit of amplifier

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5622814U (en) * 1979-07-27 1981-02-28
JPS57184309A (en) * 1981-05-09 1982-11-13 Pioneer Electronic Corp Protecting circuit of amplifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009284201A (en) * 2008-05-22 2009-12-03 Yokogawa Electric Corp Negative feedback amplifier

Also Published As

Publication number Publication date
JPH0641381Y2 (en) 1994-10-26

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