JPH0377521U - - Google Patents

Info

Publication number
JPH0377521U
JPH0377521U JP14002389U JP14002389U JPH0377521U JP H0377521 U JPH0377521 U JP H0377521U JP 14002389 U JP14002389 U JP 14002389U JP 14002389 U JP14002389 U JP 14002389U JP H0377521 U JPH0377521 U JP H0377521U
Authority
JP
Japan
Prior art keywords
audio signal
signal input
input terminal
amplifiers
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
JP14002389U
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 JP14002389U priority Critical patent/JPH0377521U/ja
Publication of JPH0377521U publication Critical patent/JPH0377521U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Television Receiver Circuits (AREA)
  • Amplifiers (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の一実施例による音声信号入
力回路の構成を示すブロツク図、第2図は従来の
音声信号入力回路の構成を示すブロツク図である
。 1……音声信号入力端子、2……第1の信号選
択器、3……第2の信号選択器、4A,4B,4
C,……4N……増幅器、8……制御信号。なお
、図中の同一符号は同一または相当部分を示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. 1つの音声信号入力端子と、ゲインの異なる複
    数の増幅器と、上記音声信号入力端子の後段に配
    置された第1の信号選択器と、上記複数の増幅器
    の後段に配置された第2の信号選択器とを備え、
    上記第1および第2の信号選択器を制御信号によ
    り上記入力端子への入力音声信号の基準レベルお
    よびインピーダンスに適合する増幅器に選択的に
    接続させるように構成したことを特徴とする音声
    信号入力回路。
JP14002389U 1989-11-30 1989-11-30 Pending JPH0377521U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14002389U JPH0377521U (ja) 1989-11-30 1989-11-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14002389U JPH0377521U (ja) 1989-11-30 1989-11-30

Publications (1)

Publication Number Publication Date
JPH0377521U true JPH0377521U (ja) 1991-08-05

Family

ID=31687032

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14002389U Pending JPH0377521U (ja) 1989-11-30 1989-11-30

Country Status (1)

Country Link
JP (1) JPH0377521U (ja)

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