JPS61171309U - - Google Patents

Info

Publication number
JPS61171309U
JPS61171309U JP5515085U JP5515085U JPS61171309U JP S61171309 U JPS61171309 U JP S61171309U JP 5515085 U JP5515085 U JP 5515085U JP 5515085 U JP5515085 U JP 5515085U JP S61171309 U JPS61171309 U JP S61171309U
Authority
JP
Japan
Prior art keywords
circuit
input
input terminal
signal
voltage
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
JP5515085U
Other languages
English (en)
Other versions
JPH0326666Y2 (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 JP1985055150U priority Critical patent/JPH0326666Y2/ja
Publication of JPS61171309U publication Critical patent/JPS61171309U/ja
Application granted granted Critical
Publication of JPH0326666Y2 publication Critical patent/JPH0326666Y2/ja
Expired legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図はこの考案の増幅回路の回路図、第2図
はこの考案の増副回路に使用される電圧電流変換
回路の実施例回路図、第3図はこの考案実施例の
増幅回路の具体的回路図、第4図及び第5図はこ
の考案の他の実施例の要部回路図、第6図及び第
7図はそれぞれ従来のレベル可変回路及びトーン
コントロール回路図である。 3は信号入力端子、4はレベル可変回路、5は
減算回路、6は電圧電流変換回路、1は増幅回路
である。

Claims (1)

    【実用新案登録請求の範囲】
  1. 信号入力端子3と、当該入力端子3に印加され
    た入力信号のレベルを可変するためのレベル可変
    回路4と、前記入力信号と前記レベル可変回路4
    出力信号の差を得る減算回路5と、前記減算回路
    5出力電圧値に対応した電流を生成する電圧電流
    変換回路6と、帰還回路を有する増幅回路1とを
    具備し、前記信号入力端子3に印加される信号を
    前記増幅回路1の一方の入力端に、前記電圧電流
    変換回路6の出力を帰還回路に接続された他方の
    入力端にそれぞれ入力することを特徴とする増幅
    回路。
JP1985055150U 1985-04-12 1985-04-12 Expired JPH0326666Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985055150U JPH0326666Y2 (ja) 1985-04-12 1985-04-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985055150U JPH0326666Y2 (ja) 1985-04-12 1985-04-12

Publications (2)

Publication Number Publication Date
JPS61171309U true JPS61171309U (ja) 1986-10-24
JPH0326666Y2 JPH0326666Y2 (ja) 1991-06-10

Family

ID=30577555

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985055150U Expired JPH0326666Y2 (ja) 1985-04-12 1985-04-12

Country Status (1)

Country Link
JP (1) JPH0326666Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52156429U (ja) * 1977-05-12 1977-11-28
JPS54117047U (ja) * 1978-02-06 1979-08-16

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52156429U (ja) * 1977-05-12 1977-11-28
JPS54117047U (ja) * 1978-02-06 1979-08-16

Also Published As

Publication number Publication date
JPH0326666Y2 (ja) 1991-06-10

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