HK129293A - Audio output amplifier - Google Patents
Audio output amplifierInfo
- 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
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)
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 (de) |
EP (1) | EP0280327B1 (de) |
JP (1) | JPH0618294B2 (de) |
KR (1) | KR900007923B1 (de) |
DE (1) | DE3876113T2 (de) |
HK (1) | HK129293A (de) |
Families Citing this family (11)
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 (de) * | 2000-04-19 | 2005-08-10 | THOMSON multimedia | Elektronische Vorrichtungen mit einem Audioverstärker und Verfahren zum Steuern solcher elektronischen Vorrichtungen |
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)
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 |
-
1987
- 1987-02-27 JP JP62044542A patent/JPH0618294B2/ja not_active Expired - Fee Related
-
1988
- 1988-02-26 EP EP88102916A patent/EP0280327B1/de not_active Expired - Lifetime
- 1988-02-26 DE DE8888102916T patent/DE3876113T2/de not_active Expired - Fee Related
- 1988-02-26 US US07/160,838 patent/US4821000A/en not_active Expired - Lifetime
- 1988-02-27 KR KR1019880002116A patent/KR900007923B1/ko not_active IP Right Cessation
-
1993
- 1993-11-25 HK HK1292/93A patent/HK129293A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3876113T2 (de) | 1993-04-15 |
KR900007923B1 (ko) | 1990-10-23 |
EP0280327A2 (de) | 1988-08-31 |
JPS63211905A (ja) | 1988-09-05 |
EP0280327B1 (de) | 1992-11-25 |
US4821000A (en) | 1989-04-11 |
KR880010561A (ko) | 1988-10-10 |
JPH0618294B2 (ja) | 1994-03-09 |
DE3876113D1 (de) | 1993-01-07 |
EP0280327A3 (en) | 1989-04-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PF | Patent in force | ||
PE | Patent expired |
Effective date: 20080225 |