JPH0290520U - - Google Patents

Info

Publication number
JPH0290520U
JPH0290520U JP16912188U JP16912188U JPH0290520U JP H0290520 U JPH0290520 U JP H0290520U JP 16912188 U JP16912188 U JP 16912188U JP 16912188 U JP16912188 U JP 16912188U JP H0290520 U JPH0290520 U JP H0290520U
Authority
JP
Japan
Prior art keywords
amplifier
comparison means
gain adjustment
gain
switch
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
JP16912188U
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 JP16912188U priority Critical patent/JPH0290520U/ja
Publication of JPH0290520U publication Critical patent/JPH0290520U/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図は本考案の一実施例の構成を示すブロツ
ク図、第2図は本考案の一実施例をフアクシミリ
装置へ適用した場合のブロツク図である。 7…調整アンプ、8,101,102…コンパ
レータ、11,12…スイツチ、13…アンプ、
21,103,104…基準値発生部、100…
比較手段、200,200A…コントローラ。

Claims (1)

    【実用新案登録請求の範囲】
  1. アンプのゲインを決定する抵抗に多段接続され
    るゲイン調整用抵抗と、このゲイン調整用抵抗の
    接続・切離しを行うスイツチと、前記アンプの出
    力に係る信号を基準値信号と比較する比較手段と
    、この比較手段の比較結果に基づき前記スイツチ
    を制御するコントローラとを備えるゲイン切換回
    路。
JP16912188U 1988-12-27 1988-12-27 Pending JPH0290520U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16912188U JPH0290520U (ja) 1988-12-27 1988-12-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16912188U JPH0290520U (ja) 1988-12-27 1988-12-27

Publications (1)

Publication Number Publication Date
JPH0290520U true JPH0290520U (ja) 1990-07-18

Family

ID=31458897

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16912188U Pending JPH0290520U (ja) 1988-12-27 1988-12-27

Country Status (1)

Country Link
JP (1) JPH0290520U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01185008A (ja) * 1988-01-19 1989-07-24 Nec Corp 利得可変増幅器

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01185008A (ja) * 1988-01-19 1989-07-24 Nec Corp 利得可変増幅器

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