JPS5877913U - negative feedback amplifier - Google Patents

negative feedback amplifier

Info

Publication number
JPS5877913U
JPS5877913U JP17222881U JP17222881U JPS5877913U JP S5877913 U JPS5877913 U JP S5877913U JP 17222881 U JP17222881 U JP 17222881U JP 17222881 U JP17222881 U JP 17222881U JP S5877913 U JPS5877913 U JP S5877913U
Authority
JP
Japan
Prior art keywords
negative feedback
feedback amplifier
amplification
amplifier
switching device
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
JP17222881U
Other languages
Japanese (ja)
Inventor
高木　次男
Original Assignee
日本コロムビア株式会社
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 日本コロムビア株式会社 filed Critical 日本コロムビア株式会社
Priority to JP17222881U priority Critical patent/JPS5877913U/en
Publication of JPS5877913U publication Critical patent/JPS5877913U/en
Pending 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) [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図は本考案の一実施例を示す回路図、第２図はその
動作説明図、第３図は本考案の他の実施例を示す回路図
である。 図中、３及び４はＦＥＴ、１５は差動増幅器、８．１４
及び１９はスイッチである。FIG. 1 is a circuit diagram showing one embodiment of the present invention, FIG. 2 is an explanatory diagram of its operation, and FIG. 3 is a circuit diagram showing another embodiment of the present invention. In the figure, 3 and 4 are FETs, 15 is a differential amplifier, 8.14
and 19 are switches.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 増幅度切換装置を有す名負帰還増幅器において、上記増
幅度切換装置の増幅度低下状態に応じて上記増幅器の高
域周波数における裸利得を゛低下させることを特徴とす
る負帰還増幅器。A negative feedback amplifier having an amplification switching device, characterized in that the bare gain of the amplifier at high frequencies is reduced in accordance with the amplification reduction state of the amplification switching device.
JP17222881U 1981-11-19 1981-11-19 negative feedback amplifier Pending JPS5877913U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17222881U JPS5877913U (en) 1981-11-19 1981-11-19 negative feedback amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17222881U JPS5877913U (en) 1981-11-19 1981-11-19 negative feedback amplifier

Publications (1)

Publication Number Publication Date
JPS5877913U true JPS5877913U (en) 1983-05-26

Family

ID=29964133

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17222881U Pending JPS5877913U (en) 1981-11-19 1981-11-19 negative feedback amplifier

Country Status (1)

Country Link
JP (1) JPS5877913U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6461106A (en) * 1987-09-01 1989-03-08 Mitsubishi Electric Corp Operational amplifier circuit device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4431053Y1 (en) * 1967-04-14 1969-12-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4431053Y1 (en) * 1967-04-14 1969-12-22

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6461106A (en) * 1987-09-01 1989-03-08 Mitsubishi Electric Corp Operational amplifier circuit device

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