JPH0224620U - - Google Patents

Info

Publication number
JPH0224620U
JPH0224620U JP10255988U JP10255988U JPH0224620U JP H0224620 U JPH0224620 U JP H0224620U JP 10255988 U JP10255988 U JP 10255988U JP 10255988 U JP10255988 U JP 10255988U JP H0224620 U JPH0224620 U JP H0224620U
Authority
JP
Japan
Prior art keywords
switch
gain
feedback element
bridge
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.)
Pending
Application number
JP10255988U
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 JP10255988U priority Critical patent/JPH0224620U/ja
Publication of JPH0224620U publication Critical patent/JPH0224620U/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】
第1図は本考案の1実施例構成図、第2図は本
考案を応用した他の1実施例構成図、第3図は従
来におけるゲイン切換え回路を示す。 1―1,2―1…差動入力端子をもつ増幅器、
1―9,2―2…ブリツジ構成に接続された帰還
抵抗、1―6,2―4…ゲイン切換えスイツチ、
1―7…増幅器に接続される負荷、2―3…CR
型トーン・コントロール回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 帰還素子をスイツチで切換えて、ゲインを変化
    させる増幅器において、帰還素子をブリツジ構成
    とし、そのブリツジ内に前記スイツチを設ける事
    を特徴とする、ゲイン切換え回路。
JP10255988U 1988-08-02 1988-08-02 Pending JPH0224620U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10255988U JPH0224620U (ja) 1988-08-02 1988-08-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10255988U JPH0224620U (ja) 1988-08-02 1988-08-02

Publications (1)

Publication Number Publication Date
JPH0224620U true JPH0224620U (ja) 1990-02-19

Family

ID=31332577

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10255988U Pending JPH0224620U (ja) 1988-08-02 1988-08-02

Country Status (1)

Country Link
JP (1) JPH0224620U (ja)

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