JPH0366224U - - Google Patents

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Publication number
JPH0366224U
JPH0366224U JP12442989U JP12442989U JPH0366224U JP H0366224 U JPH0366224 U JP H0366224U JP 12442989 U JP12442989 U JP 12442989U JP 12442989 U JP12442989 U JP 12442989U JP H0366224 U JPH0366224 U JP H0366224U
Authority
JP
Japan
Prior art keywords
audio signal
converter
power supply
amplitude
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
JP12442989U
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 JP12442989U priority Critical patent/JPH0366224U/ja
Publication of JPH0366224U publication Critical patent/JPH0366224U/ja
Pending legal-status Critical Current

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Landscapes

  • Analogue/Digital Conversion (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係わるオーデイオアンプのブ
ロツク図、第2図は本考案におけるオーデイオ信
号と電源電圧の関係を示す波形図である。 10……電力増幅器、12……ピークデイテク
タ、13……PWM信号発生回路、14……スイ
ツチング電源回路、15……デイレイ用RAM。

Claims (1)

  1. 【実用新案登録請求の範囲】 オーデイオ信号の振幅に応じて電力増幅器に供
    給する電源電圧の振幅を制御するオーデイオアン
    プにおいて、 所定時間間隔毎にデジタルオーデイオ信号の最
    大振幅値を検出するピークデイテクタと、 前記最大振幅値に応じたパルス幅を有するPW
    M信号を発生するPWM信号発生回路と、 PWM信号に基づいて電力増幅器に入力する電
    源電圧の振幅を制御するスイツチング電源回路と
    、 前記デジタルオーデイオ信号を所定時間遅延す
    る遅延回路と、 遅延回路から出力されるデジタルオーデイオ信
    号をDA変換して電力増幅器に入力するDA変換
    器を有することを特徴とするオーデイオアンプ。
JP12442989U 1989-10-24 1989-10-24 Pending JPH0366224U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12442989U JPH0366224U (ja) 1989-10-24 1989-10-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12442989U JPH0366224U (ja) 1989-10-24 1989-10-24

Publications (1)

Publication Number Publication Date
JPH0366224U true JPH0366224U (ja) 1991-06-27

Family

ID=31672349

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12442989U Pending JPH0366224U (ja) 1989-10-24 1989-10-24

Country Status (1)

Country Link
JP (1) JPH0366224U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012060350A (ja) * 2010-09-08 2012-03-22 Mitsubishi Electric Corp アナログ入力装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012060350A (ja) * 2010-09-08 2012-03-22 Mitsubishi Electric Corp アナログ入力装置

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