JPS6181213U - - Google Patents

Info

Publication number
JPS6181213U
JPS6181213U JP16502584U JP16502584U JPS6181213U JP S6181213 U JPS6181213 U JP S6181213U JP 16502584 U JP16502584 U JP 16502584U JP 16502584 U JP16502584 U JP 16502584U JP S6181213 U JPS6181213 U JP S6181213U
Authority
JP
Japan
Prior art keywords
amplifier
input terminal
output terminal
agc
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.)
Granted
Application number
JP16502584U
Other languages
English (en)
Other versions
JPH0321065Y2 (ja
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 JP1984165025U priority Critical patent/JPH0321065Y2/ja
Publication of JPS6181213U publication Critical patent/JPS6181213U/ja
Application granted granted Critical
Publication of JPH0321065Y2 publication Critical patent/JPH0321065Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Control Of Amplification And Gain Control (AREA)

Description

【図面の簡単な説明】
第1図は本考案の増幅回路を示す回路図、第2
図は従来の同回路を示す回路図、第3図及び第4
図は本考案を説明するための特性図を示す。 主な図番の説明、8…入力端子、9…出力端子
、10…増幅器、12,13…差動対トランジス
タ、16,17…カレントミラー用トランジスタ
、23…直列抵抗、24…AGC検波回路、25
,26…比較用トランジスタ、35…AGC駆動
回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 入力端子及び出力端子を有する増幅器と、該増
    幅器の前記出力端子に接続されたAGC検波回路
    と、該AGC検波回路の出力端に接続されたAG
    C駆動段とより成り該AGC駆動段の出力端を前
    記増幅器の入力端子に接続してAGCループを構
    成した増幅回路において、前記増幅器に第1の差
    動増幅器を設け、一方の入力端を前記入力端子に
    接続すると共に他方の入力端を基準電圧源として
    抵抗及び定電流トランジスタより成る定電流源を
    接続し、前記抵抗の一端を前記AGC検波回路に
    設けた比較器の一入力端に接続し、該比較器の他
    の入力端に前記定電流源を直流的に接続すること
    により前記増幅器の出力端子とAGC検波回路と
    を直流的に結合可能となしたことを特徴とする増
    幅回路。
JP1984165025U 1984-10-31 1984-10-31 Expired JPH0321065Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984165025U JPH0321065Y2 (ja) 1984-10-31 1984-10-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984165025U JPH0321065Y2 (ja) 1984-10-31 1984-10-31

Publications (2)

Publication Number Publication Date
JPS6181213U true JPS6181213U (ja) 1986-05-29
JPH0321065Y2 JPH0321065Y2 (ja) 1991-05-08

Family

ID=30722887

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984165025U Expired JPH0321065Y2 (ja) 1984-10-31 1984-10-31

Country Status (1)

Country Link
JP (1) JPH0321065Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63260309A (ja) * 1987-04-17 1988-10-27 Sanyo Electric Co Ltd 可変減衰回路

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4797218B2 (ja) * 1999-09-20 2011-10-19 パナソニック株式会社 飽和出力可変アンプ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53129948A (en) * 1977-04-19 1978-11-13 Nec Corp Automatic gain control unit
JPS58164306A (ja) * 1982-03-24 1983-09-29 Matsushita Electric Ind Co Ltd 自動利得制御装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53129948A (en) * 1977-04-19 1978-11-13 Nec Corp Automatic gain control unit
JPS58164306A (ja) * 1982-03-24 1983-09-29 Matsushita Electric Ind Co Ltd 自動利得制御装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63260309A (ja) * 1987-04-17 1988-10-27 Sanyo Electric Co Ltd 可変減衰回路

Also Published As

Publication number Publication date
JPH0321065Y2 (ja) 1991-05-08

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