JPH0332819U - - Google Patents

Info

Publication number
JPH0332819U
JPH0332819U JP9211489U JP9211489U JPH0332819U JP H0332819 U JPH0332819 U JP H0332819U JP 9211489 U JP9211489 U JP 9211489U JP 9211489 U JP9211489 U JP 9211489U JP H0332819 U JPH0332819 U JP H0332819U
Authority
JP
Japan
Prior art keywords
zero
power amplifier
current
detects
output stage
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
JP9211489U
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 JP9211489U priority Critical patent/JPH0332819U/ja
Publication of JPH0332819U publication Critical patent/JPH0332819U/ja
Pending legal-status Critical Current

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  • Amplifiers (AREA)

Description

【図面の簡単な説明】
第1図は本考案に係るオーデイオ用パワーアン
プのブロツク図、第2図は第1図の各部信号波形
図、第3図及び第4図はオーデイオ用パワーアン
プのブロツク図、第5図はバイアス動作説明図で
ある。 12……電力増幅回路、13……スピーカ、1
5……ゼロクロスデイテクタ、17……エミツタ
電流検出回路、18……差演算回路、19……バ
イアス量設定回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 コンプリメンタリB級増幅回路を出力段に有す
    るオーデイオ用パワーアンプにおいて、 負荷電流がゼロレベルを横切る時点を検出する
    ゼロクロスデイテクタと、 ゼロクロスする時の出力段電流を検出する電流
    検出回路と、 検出電流値と設定値との差に応じてパワーアン
    プのバイアス量を制御するバイアス量制御回路を
    備えたオーデイオ用パワーアンプ。
JP9211489U 1989-08-04 1989-08-04 Pending JPH0332819U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9211489U JPH0332819U (ja) 1989-08-04 1989-08-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9211489U JPH0332819U (ja) 1989-08-04 1989-08-04

Publications (1)

Publication Number Publication Date
JPH0332819U true JPH0332819U (ja) 1991-03-29

Family

ID=31641560

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9211489U Pending JPH0332819U (ja) 1989-08-04 1989-08-04

Country Status (1)

Country Link
JP (1) JPH0332819U (ja)

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