JPS63131411U - - Google Patents

Info

Publication number
JPS63131411U
JPS63131411U JP2210687U JP2210687U JPS63131411U JP S63131411 U JPS63131411 U JP S63131411U JP 2210687 U JP2210687 U JP 2210687U JP 2210687 U JP2210687 U JP 2210687U JP S63131411 U JPS63131411 U JP S63131411U
Authority
JP
Japan
Prior art keywords
amplifier
amplification degree
input signal
noise level
signal
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
JP2210687U
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 JP2210687U priority Critical patent/JPS63131411U/ja
Publication of JPS63131411U publication Critical patent/JPS63131411U/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を示すブロツク図、
第2図は本考案の他の実施例を示すブロツク図、
第3図はその動作を説明するためのフローチヤー
ト、第4図はノイズが重畳した入力信号の一例を
示す波形図、第5図は従来例を示す回路図である
。 1……フイルタ、2……演算増幅器、3……A
/D変換器、4……マイクロプロセツサ、5……
ノイズレベル判定回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 増幅器と、この増幅器の入力信号レベルに応じ
    て当該増幅器の増幅度を設定する増幅度設定手段
    とを備えた信号増幅回路において、増幅器の入力
    信号に含まれるノイズレベルを検知する手段と、
    検知されたノイズレベルに応じて増幅器の増幅度
    を決定する手段とを設けたことを特徴とする信号
    増幅回路。
JP2210687U 1987-02-19 1987-02-19 Pending JPS63131411U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2210687U JPS63131411U (ja) 1987-02-19 1987-02-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2210687U JPS63131411U (ja) 1987-02-19 1987-02-19

Publications (1)

Publication Number Publication Date
JPS63131411U true JPS63131411U (ja) 1988-08-29

Family

ID=30819174

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2210687U Pending JPS63131411U (ja) 1987-02-19 1987-02-19

Country Status (1)

Country Link
JP (1) JPS63131411U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60152111A (ja) * 1984-01-20 1985-08-10 Hitachi Micro Comput Eng Ltd 受信機

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60152111A (ja) * 1984-01-20 1985-08-10 Hitachi Micro Comput Eng Ltd 受信機

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