DE69429660D1 - Brückenverstärker mit hohem Wirkungsgrad - Google Patents

Brückenverstärker mit hohem Wirkungsgrad

Info

Publication number
DE69429660D1
DE69429660D1 DE69429660T DE69429660T DE69429660D1 DE 69429660 D1 DE69429660 D1 DE 69429660D1 DE 69429660 T DE69429660 T DE 69429660T DE 69429660 T DE69429660 T DE 69429660T DE 69429660 D1 DE69429660 D1 DE 69429660D1
Authority
DE
Germany
Prior art keywords
high efficiency
bridge amplifier
bridge
amplifier
efficiency
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.)
Expired - Fee Related
Application number
DE69429660T
Other languages
English (en)
Other versions
DE69429660T2 (de
Inventor
Edoardo Botti
Tiziana Mandrini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STMicroelectronics SRL
Original Assignee
STMicroelectronics SRL
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 STMicroelectronics SRL filed Critical STMicroelectronics SRL
Publication of DE69429660D1 publication Critical patent/DE69429660D1/de
Application granted granted Critical
Publication of DE69429660T2 publication Critical patent/DE69429660T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
    • 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
    • H03F3/3081—Duplicated single-ended push-pull arrangements, i.e. bridge circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE69429660T 1994-10-07 1994-10-07 Brückenverstärker mit hohem Wirkungsgrad Expired - Fee Related DE69429660T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP94830478A EP0706260B1 (de) 1994-10-07 1994-10-07 Brückenverstärker mit hohem Wirkungsgrad

Publications (2)

Publication Number Publication Date
DE69429660D1 true DE69429660D1 (de) 2002-02-21
DE69429660T2 DE69429660T2 (de) 2002-11-14

Family

ID=8218551

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69429660T Expired - Fee Related DE69429660T2 (de) 1994-10-07 1994-10-07 Brückenverstärker mit hohem Wirkungsgrad

Country Status (4)

Country Link
US (1) US5654668A (de)
EP (1) EP0706260B1 (de)
JP (1) JP3593192B2 (de)
DE (1) DE69429660T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3881448B2 (ja) * 1998-03-31 2007-02-14 株式会社東芝 電力増幅回路
IT1305650B1 (it) * 1998-12-16 2001-05-15 St Microelectronics Srl Circuito per assicurare una completa saturazione di entrambi gliamplificatori di un amplificatore a ponte configurato ad ingresso
US7167569B1 (en) * 2000-10-25 2007-01-23 National Semiconductor Corporation Output coupling capacitor free audio power amplifier dynamically configured for speakers and headphones with excellent click and pop performance
US6552607B1 (en) * 2001-11-12 2003-04-22 Apogee Technology Inc. Time division multiplexed PWM amplifier
EP1548933B1 (de) * 2003-12-23 2007-11-28 STMicroelectronics S.r.l. Verfahren zum Verhindern abrupter Spannungsänderungen am Ausgang eines Verstärkerpaars und Regelschaltung für ein selbstkonfigurierendes Verstärkerpaar in einer Brückenkonfiguration
WO2005069484A1 (en) * 2004-01-07 2005-07-28 Koninklijke Philips Electronics N.V. Configurable amplifier circuit
US9300261B2 (en) * 2006-03-10 2016-03-29 Nvidia Corporation Method and apparatus for efficient load biasing
US7548178B2 (en) * 2006-03-10 2009-06-16 Nvidia Corporation Method and apparatus for ADC size and performance optimization
US7760015B2 (en) * 2008-03-13 2010-07-20 Exar Corporation Combination offset voltage and bias current auto-zero circuit
US7907008B2 (en) * 2008-12-30 2011-03-15 Intel Corporation Dynamic signal contamination suppression
EP2802076B1 (de) * 2013-05-08 2015-11-18 Nxp B.V. Doppelbrückenverstärker-Konfiguration
US10601423B2 (en) 2013-11-28 2020-03-24 Nxp Usa, Inc. Low-voltage differential signaling (differential signaling) driver circuit and method of enabling and disabling a differential signaling driver circuit
JP6360453B2 (ja) 2015-03-16 2018-07-18 株式会社東芝 電力増幅装置
CN113783532A (zh) * 2020-06-10 2021-12-10 武汉杰开科技有限公司 一种功率放大器及其控制方法、车载音频系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2527904C3 (de) * 1975-06-23 1980-07-17 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zur galvanischen Ankopplung einer Last an zwei gleichstromgekoppelte Verstärker
US4494077A (en) * 1981-12-02 1985-01-15 Nippon Electric Co., Ltd. Amplifier system switchable between two amplifying operations
IT1229860B (it) * 1988-11-09 1991-09-13 Sgs Thomson Microelectronics Amplificatore audio integrato con regolazione unificata delle funzioni di "mute" e "stand by" e dei transitori di commutazione.
IT1243920B (it) * 1990-11-20 1994-06-28 Sgs Thomson Microelectronics Amplificatore audio di potenza ad alta efficienza composto da due amplificatori con unica alimentazione.
EP0613242B1 (de) * 1993-02-24 1997-10-29 STMicroelectronics S.r.l. Selbstkonfigurierbarer Doppelbrückenverstärker

Also Published As

Publication number Publication date
JPH08213858A (ja) 1996-08-20
US5654668A (en) 1997-08-05
EP0706260A1 (de) 1996-04-10
EP0706260B1 (de) 2002-01-16
JP3593192B2 (ja) 2004-11-24
DE69429660T2 (de) 2002-11-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee