JPH0464822U - - Google Patents

Info

Publication number
JPH0464822U
JPH0464822U JP10715590U JP10715590U JPH0464822U JP H0464822 U JPH0464822 U JP H0464822U JP 10715590 U JP10715590 U JP 10715590U JP 10715590 U JP10715590 U JP 10715590U JP H0464822 U JPH0464822 U JP H0464822U
Authority
JP
Japan
Prior art keywords
field effect
effect transistor
control voltage
amplifier
gain
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
JP10715590U
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 JP10715590U priority Critical patent/JPH0464822U/ja
Publication of JPH0464822U publication Critical patent/JPH0464822U/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図は本考案回路の一実施例の構成を示す接
続図、第2図は従来回路の一例の構成を示す接続
図、第3図は第2図の回路において電界効果トラ
ンジスタのゲート・ソース間電圧に対する利得変
化の一例を示す説明図である。 1……電界効果トランジスタ、G……ゲート、
S……ソース、D……ドレイン、E……第1制
御電圧、7……反転増幅器、E……第2制御電
圧。

Claims (1)

    【実用新案登録請求の範囲】
  1. 電界効果トランジスタ1のバイアス電圧を制御
    して利得を可変する増幅器において電界効果トラ
    ンジスタ1のゲートGに第1制御電圧Eを印加
    すると共に電界効果トランジスタ1のソースSに
    第1制御電圧Eを反転増幅器7により反転増幅
    して得られる第2制御電圧Eを印加せしめてな
    る電界効果トランジスタ増幅器の利得制御回路。
JP10715590U 1990-10-12 1990-10-12 Pending JPH0464822U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10715590U JPH0464822U (ja) 1990-10-12 1990-10-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10715590U JPH0464822U (ja) 1990-10-12 1990-10-12

Publications (1)

Publication Number Publication Date
JPH0464822U true JPH0464822U (ja) 1992-06-04

Family

ID=31853542

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10715590U Pending JPH0464822U (ja) 1990-10-12 1990-10-12

Country Status (1)

Country Link
JP (1) JPH0464822U (ja)

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