JPS6188325U - - Google Patents

Info

Publication number
JPS6188325U
JPS6188325U JP17269384U JP17269384U JPS6188325U JP S6188325 U JPS6188325 U JP S6188325U JP 17269384 U JP17269384 U JP 17269384U JP 17269384 U JP17269384 U JP 17269384U JP S6188325 U JPS6188325 U JP S6188325U
Authority
JP
Japan
Prior art keywords
operational amplifiers
pair
phase inputs
gain control
negative
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
JP17269384U
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 JP17269384U priority Critical patent/JPS6188325U/ja
Publication of JPS6188325U publication Critical patent/JPS6188325U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)

Description

【図面の簡単な説明】
第1図は従来の利得制御増幅回路の例を示す図
、第2図は本考案の実施例の回路図、第3図はF
ETの特性例を示す図、第4図は第2図の回路の
等価回路である。 主要部分の符号の説明、1,4…オペアンプ、
2,5…抵抗、3…FET。

Claims (1)

    【実用新案登録請求の範囲】
  1. 負帰還部を有する1対の演算増幅器と、この1
    対の演算増幅器の逆相入力間に設けられた可変抵
    抗素子とを有し、前記1対の演算増幅器の正相入
    力間に信号を供給し、両演算増幅器の出力間から
    回路出力を導出するようにしたことを特徴とする
    利得制御増幅回路。
JP17269384U 1984-11-14 1984-11-14 Pending JPS6188325U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17269384U JPS6188325U (ja) 1984-11-14 1984-11-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17269384U JPS6188325U (ja) 1984-11-14 1984-11-14

Publications (1)

Publication Number Publication Date
JPS6188325U true JPS6188325U (ja) 1986-06-09

Family

ID=30730355

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17269384U Pending JPS6188325U (ja) 1984-11-14 1984-11-14

Country Status (1)

Country Link
JP (1) JPS6188325U (ja)

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