JPS609316U - recording amplifier - Google Patents

recording amplifier

Info

Publication number
JPS609316U
JPS609316U JP9878783U JP9878783U JPS609316U JP S609316 U JPS609316 U JP S609316U JP 9878783 U JP9878783 U JP 9878783U JP 9878783 U JP9878783 U JP 9878783U JP S609316 U JPS609316 U JP S609316U
Authority
JP
Japan
Prior art keywords
amplifier
recording
series circuit
recording amplifier
capacitor
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
JP9878783U
Other languages
Japanese (ja)
Inventor
正明 宇都宮
Original Assignee
株式会社東芝
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 株式会社東芝 filed Critical 株式会社東芝
Priority to JP9878783U priority Critical patent/JPS609316U/en
Publication of JPS609316U publication Critical patent/JPS609316U/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図は従来の記録増幅器の回路構成図、第2図は本考
案による一実施例である記録増幅器の回路構成図である
。 1・・・・・・信号入力端、2・・・・・・負帰還入力
端子、3・・・・・・増幅器、4,4′・・・・・・ピ
ーキング回路、5・・・・・・定電流化回路、6・・・
・・・バイアストラップ回路、7・・・・・・バイアス
発振器。
FIG. 1 is a circuit diagram of a conventional recording amplifier, and FIG. 2 is a circuit diagram of a recording amplifier according to an embodiment of the present invention. 1... Signal input terminal, 2... Negative feedback input terminal, 3... Amplifier, 4, 4'... Peaking circuit, 5...・・Constant current circuit, 6...
...Bias trap circuit, 7...Bias oscillator.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 記録速度が切換えられる記録装置へ接続された記録増幅
器において、増幅器と、この増幅器の負帰還入力端子に
接続されるコイルと、このコイルに接続されるコンデン
サと抵抗からなる第1の直列回路と、この第1の直列回
路に一端が接続され他端が接地されるコンデンサと抵抗
からなる第2の直列回路と、前記第1、第2の直列回路
の接続点とアース電位間に接続されるスイ1ンチング回
路とを有することを特徴とする記録増幅器。
In a recording amplifier connected to a recording device whose recording speed is switched, a first series circuit comprising an amplifier, a coil connected to a negative feedback input terminal of the amplifier, and a capacitor and a resistor connected to the coil; A second series circuit consisting of a capacitor and a resistor, one end of which is connected to the first series circuit and the other end grounded, and a switch connected between the connection point of the first and second series circuits and the ground potential. 1. A recording amplifier comprising a 1-inching circuit.
JP9878783U 1983-06-28 1983-06-28 recording amplifier Pending JPS609316U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9878783U JPS609316U (en) 1983-06-28 1983-06-28 recording amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9878783U JPS609316U (en) 1983-06-28 1983-06-28 recording amplifier

Publications (1)

Publication Number Publication Date
JPS609316U true JPS609316U (en) 1985-01-22

Family

ID=30234391

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9878783U Pending JPS609316U (en) 1983-06-28 1983-06-28 recording amplifier

Country Status (1)

Country Link
JP (1) JPS609316U (en)

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