JPS6230409U - - Google Patents

Info

Publication number
JPS6230409U
JPS6230409U JP12051485U JP12051485U JPS6230409U JP S6230409 U JPS6230409 U JP S6230409U JP 12051485 U JP12051485 U JP 12051485U JP 12051485 U JP12051485 U JP 12051485U JP S6230409 U JPS6230409 U JP S6230409U
Authority
JP
Japan
Prior art keywords
circuit
feedback loop
signal amplification
negative feedback
detection circuit
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
JP12051485U
Other languages
English (en)
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 filed Critical
Priority to JP12051485U priority Critical patent/JPS6230409U/ja
Publication of JPS6230409U publication Critical patent/JPS6230409U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)

Description

【図面の簡単な説明】
図は本考案の一実施例を示すものである。 ……検出回路、12……信号増幅回路、16
……負帰還ループの抵抗値を変化せしめる手段と
なるスイツチングトランジスタ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 負帰還ループを有する信号増幅回路と、電源供
    給線路の電流変化を検出する検出回路と、この検
    出回路からの検出出力に基づき前記信号増幅回路
    の負帰還ループの抵抗値を変化せしめる手段とを
    備え、電源スイツチ等が操作された際、前記電源
    供給線路の電流変化を前記検出回路にて検出し、
    前記検出回路からの検出出力にて前記負帰還ルー
    プの抵抗値を小となすことにより前記信号増幅回
    路の利得を低下せしめ、以つて前記スイツチの操
    作に伴なう雑音の発生を防止するようにしたこと
    を特徴とするミユーテイング回路。
JP12051485U 1985-08-06 1985-08-06 Pending JPS6230409U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12051485U JPS6230409U (ja) 1985-08-06 1985-08-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12051485U JPS6230409U (ja) 1985-08-06 1985-08-06

Publications (1)

Publication Number Publication Date
JPS6230409U true JPS6230409U (ja) 1987-02-24

Family

ID=31008897

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12051485U Pending JPS6230409U (ja) 1985-08-06 1985-08-06

Country Status (1)

Country Link
JP (1) JPS6230409U (ja)

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