DE69314933D1 - Selbstkonfigurierbarer Doppelbrückenverstärker - Google Patents

Selbstkonfigurierbarer Doppelbrückenverstärker

Info

Publication number
DE69314933D1
DE69314933D1 DE69314933T DE69314933T DE69314933D1 DE 69314933 D1 DE69314933 D1 DE 69314933D1 DE 69314933 T DE69314933 T DE 69314933T DE 69314933 T DE69314933 T DE 69314933T DE 69314933 D1 DE69314933 D1 DE 69314933D1
Authority
DE
Germany
Prior art keywords
self
bridge amplifier
double bridge
configurable double
configurable
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
DE69314933T
Other languages
English (en)
Other versions
DE69314933T2 (de
Inventor
Edoardo Botti
Guido Brasca
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
SGS Thomson Microelectronics 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, SGS Thomson Microelectronics SRL filed Critical STMicroelectronics SRL
Application granted granted Critical
Publication of DE69314933D1 publication Critical patent/DE69314933D1/de
Publication of DE69314933T2 publication Critical patent/DE69314933T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0277—Selecting one or more amplifiers from a plurality of amplifiers
    • 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
    • H03F3/68—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
    • H03F3/72—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)
DE69314933T 1993-02-24 1993-02-24 Selbstkonfigurierbarer Doppelbrückenverstärker Expired - Fee Related DE69314933T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP93830070A EP0613242B1 (de) 1993-02-24 1993-02-24 Selbstkonfigurierbarer Doppelbrückenverstärker

Publications (2)

Publication Number Publication Date
DE69314933D1 true DE69314933D1 (de) 1997-12-04
DE69314933T2 DE69314933T2 (de) 1998-06-10

Family

ID=8215124

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69314933T Expired - Fee Related DE69314933T2 (de) 1993-02-24 1993-02-24 Selbstkonfigurierbarer Doppelbrückenverstärker

Country Status (4)

Country Link
US (3) US5365188A (de)
EP (1) EP0613242B1 (de)
JP (1) JP3459109B2 (de)
DE (1) DE69314933T2 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0706260B1 (de) * 1994-10-07 2002-01-16 STMicroelectronics S.r.l. Brückenverstärker mit hohem Wirkungsgrad
DE19525411A1 (de) * 1995-07-12 1997-01-16 Philips Patentverwaltung Signalverstärker
DE19525410A1 (de) * 1995-07-12 1997-01-23 Philips Patentverwaltung Schaltungsanordnung zum Übertragen von Tonsignalen
JP3986105B2 (ja) * 1996-10-31 2007-10-03 三洋電機株式会社 電力増幅装置
US6006111A (en) * 1997-10-08 1999-12-21 Nortel Networks Corporation Self-balancing matrix amplifier
EP0913926B1 (de) * 1997-10-31 2004-03-03 STMicroelectronics S.r.l. Integrierter parallele Verbindungen erlaubender Leistungsverstärker
DE19839156C1 (de) * 1998-08-28 2000-03-30 Grundig Ag Leistungsverstärker
US6213442B1 (en) * 1998-10-08 2001-04-10 Lord Corporation Isolation system for isolation tables and the like
US6744826B2 (en) * 1999-03-03 2004-06-01 Intel Corporation AGC window detector
WO2001099273A1 (en) * 2000-06-23 2001-12-27 Koninklijke Philips Electronics N.V. Dual bridge amplifier
DE10057897C2 (de) * 2000-11-22 2002-12-05 Texas Instruments Deutschland Schaltungsanordnung zur Verbreiterung der Stereobasis bei der Wiedergabe stereophoner Tonsignale
US6504351B2 (en) 2001-02-20 2003-01-07 Linear Technology Corporation Systems and methods for controlling the charge profile during the commutation event of a synchronous switching transistor in a regulator
US6388477B1 (en) * 2001-06-28 2002-05-14 Sunplus Technology Col, Ltd. Switchable voltage follower and bridge driver using the same
US6552607B1 (en) * 2001-11-12 2003-04-22 Apogee Technology Inc. Time division multiplexed PWM amplifier
US6590447B1 (en) 2002-04-02 2003-07-08 Bae Systems Information And Electronic Systems Integration Inc. Precision bridge amplifier
KR100956098B1 (ko) * 2002-07-18 2010-05-07 소니 주식회사 파워앰프장치
EP1487100A1 (de) * 2003-06-09 2004-12-15 STMicroelectronics S.r.l. Mehrkanal-Leistungsverstärker mit kanalunabhängigem selbstkonfigurierendem Ausgang in Eintaktanordnung oder in Brückenanordnung, insbesondere für Audioanwendungen
EP1487101A1 (de) * 2003-06-12 2004-12-15 STMicroelectronics S.r.l. Leistungsverstärker mit niedriger Verzerrung und Verfahren zur Steuerung eines Mehrkanal-Leistungsverstärkers
EP1496611A1 (de) * 2003-07-09 2005-01-12 STMicroelectronics S.r.l. Selbstkonfigurierender Mehrkanal-Leistungsverstärker in Eintaktanordnung oder in Brückenanordnung, insbesondere für Audioanwendungen
DE60317806T2 (de) * 2003-12-23 2008-10-30 Stmicroelectronics S.R.L., Agrate Brianza Verfahren zum Verhindern abrupter Spannungsänderungen am Ausgang eines Verstärkerpaars und Regelschaltung für ein selbstkonfigurierendes Verstärkerpaar in einer Brückenkonfiguration
US7023983B2 (en) * 2003-12-30 2006-04-04 Qualcomm Incorporated Versatile circuit for interfacing with audio headsets
DE102004010785B4 (de) * 2004-03-05 2015-10-08 Dr. Johannes Heidenhain Gmbh Konfigurierbarer Eingangsverstärker für Positionsmesseinrichtungen
CN100353776C (zh) * 2004-05-12 2007-12-05 华为技术有限公司 一种基站功率发射通道传输信号的方法和装置
US20060183509A1 (en) * 2005-02-16 2006-08-17 Shuyong Shao DC power source for an accessory of a portable communication device
US7782131B2 (en) * 2005-09-09 2010-08-24 Pioneer Corporation Balanced amplifier and electronic circuit
US7304598B1 (en) * 2006-08-30 2007-12-04 Infineon Technologies Ag Shared amplifier circuit
US7907008B2 (en) 2008-12-30 2011-03-15 Intel Corporation Dynamic signal contamination suppression
US8330539B2 (en) * 2009-08-14 2012-12-11 Nxp B.V. Dynamic switchable mode dual bridge power amplifier
EP2802076B1 (de) 2013-05-08 2015-11-18 Nxp B.V. Doppelbrückenverstärker-Konfiguration
JP6360453B2 (ja) 2015-03-16 2018-07-18 株式会社東芝 電力増幅装置
KR20160142034A (ko) * 2015-06-02 2016-12-12 삼성전자주식회사 음성처리장치 및 그 제어방법
CN111180999B (zh) * 2020-01-09 2021-10-15 太原理工大学 面向不同半导体激光器的高精度双通道可调驱动系统
JP7288415B2 (ja) * 2020-03-23 2023-06-07 株式会社東芝 電力増幅装置
AT523673B1 (de) * 2020-04-03 2023-03-15 Omicron Electronics Gmbh Umschaltbarer Verstärker
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 (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5320224Y2 (de) * 1973-08-01 1978-05-27
FR2452854A1 (fr) * 1979-03-30 1980-10-24 Thomson Brandt Poste autoradio a circuit renforcateur de puissance commutable
US4494077A (en) * 1981-12-02 1985-01-15 Nippon Electric Co., Ltd. Amplifier system switchable between two amplifying operations
IT1237511B (it) * 1989-10-31 1993-06-08 Sgs Thomson Microelectronics Circuito di amplificazione audio ad alta efficenza, con commutazione dello stato di funzionamento in funzione del segnale d'ingresso
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.
US5414774A (en) * 1993-02-12 1995-05-09 Matsushita Electric Corporation Of America Circuit and method for controlling an audio system

Also Published As

Publication number Publication date
US5444417A (en) 1995-08-22
EP0613242A1 (de) 1994-08-31
DE69314933T2 (de) 1998-06-10
JPH06318830A (ja) 1994-11-15
EP0613242B1 (de) 1997-10-29
JP3459109B2 (ja) 2003-10-20
US5621352A (en) 1997-04-15
US5365188A (en) 1994-11-15

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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