HK129293A - Audio output amplifier - Google Patents

Audio output amplifier

Info

Publication number
HK129293A
HK129293A HK1292/93A HK129293A HK129293A HK 129293 A HK129293 A HK 129293A HK 1292/93 A HK1292/93 A HK 1292/93A HK 129293 A HK129293 A HK 129293A HK 129293 A HK129293 A HK 129293A
Authority
HK
Hong Kong
Prior art keywords
audio output
output amplifier
amplifier
audio
output
Prior art date
Application number
HK1292/93A
Other languages
English (en)
Inventor
Kazuo Imanishi
Original Assignee
Toshiba Kk
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 by Toshiba Kk filed Critical Toshiba Kk
Publication of HK129293A publication Critical patent/HK129293A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/52—Circuit arrangements for protecting such amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
HK1292/93A 1987-02-27 1993-11-25 Audio output amplifier HK129293A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62044542A JPH0618294B2 (ja) 1987-02-27 1987-02-27 音声出力増幅器

Publications (1)

Publication Number Publication Date
HK129293A true HK129293A (en) 1993-12-03

Family

ID=12694394

Family Applications (1)

Application Number Title Priority Date Filing Date
HK1292/93A HK129293A (en) 1987-02-27 1993-11-25 Audio output amplifier

Country Status (6)

Country Link
US (1) US4821000A (xx)
EP (1) EP0280327B1 (xx)
JP (1) JPH0618294B2 (xx)
KR (1) KR900007923B1 (xx)
DE (1) DE3876113T2 (xx)
HK (1) HK129293A (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5014320A (en) * 1988-05-25 1991-05-07 Yamaha Corporation Driving apparatus, and control information storage body and protection circuit therefor
JP2542934Y2 (ja) * 1990-08-21 1997-07-30 関西日本電気株式会社 保護回路
US5255094A (en) * 1990-10-10 1993-10-19 Thomson Consumer Electronics, S.A. Muting circuit for eliminating transient signals generated due to power supply turn-on and turn-off
US5224169A (en) * 1991-05-13 1993-06-29 Thomson Consumer Electronics, Inc. Protection arrangement for an audio output channel
US5311143A (en) * 1992-07-02 1994-05-10 Motorola, Inc. RF amplifier bias control method and apparatus
FR2741212B1 (fr) * 1995-11-14 1998-01-30 Sgs Thomson Microelectronics Dispositif de limitation du courant de sortie d'un amplificateur operationnel
EP1154568A3 (en) * 2000-04-19 2005-08-10 THOMSON multimedia Electronics devices comprising an audio amplifier and methods for controlling such electronic devices
JP5054394B2 (ja) * 2007-03-06 2012-10-24 新日本無線株式会社 電流源制御回路
US8644777B2 (en) 2010-05-07 2014-02-04 Skyworks Solutions, Inc. System and method for power amplifier over-voltage protection
US8487705B2 (en) * 2010-05-26 2013-07-16 Triquint Semiconductor, Inc. Protection circuit for radio frequency power amplifier
US8538368B1 (en) 2011-11-14 2013-09-17 Triquint Semiconductor, Inc. Dynamic power limiter circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2538423C3 (de) * 1975-08-29 1980-02-14 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schutzschaltungsanordnung für Gegentakt-B-Verstarker mit zwei gegen Bezugspotential geschalteten Betriebsspannungen
JPS57124909A (en) * 1981-01-27 1982-08-04 Toshiba Corp Output transistor protection circuit
JPS60112303A (ja) * 1983-11-22 1985-06-18 Toshiba Corp 出力トランジスタの保護回路
IT1213158B (it) * 1984-04-20 1989-12-14 Ates Componenti Elettron Circuito di controllo dell'accensione per amplificatore audio.
DE3429701A1 (de) * 1984-08-11 1986-02-20 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Ueberlastungsschutzschaltung fuer einen niederfrequenzverstaerker
JPS61152108A (ja) * 1984-12-26 1986-07-10 Hitachi Ltd 増幅回路

Also Published As

Publication number Publication date
JPH0618294B2 (ja) 1994-03-09
EP0280327A2 (en) 1988-08-31
DE3876113D1 (de) 1993-01-07
EP0280327B1 (en) 1992-11-25
EP0280327A3 (en) 1989-04-26
US4821000A (en) 1989-04-11
DE3876113T2 (de) 1993-04-15
KR900007923B1 (ko) 1990-10-23
JPS63211905A (ja) 1988-09-05
KR880010561A (ko) 1988-10-10

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Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20080225