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DE60311681D1 - Leistungsverstärkungsvorrichtung - Google Patents

Leistungsverstärkungsvorrichtung

Info

Publication number
DE60311681D1
DE60311681D1 DE60311681T DE60311681T DE60311681D1 DE 60311681 D1 DE60311681 D1 DE 60311681D1 DE 60311681 T DE60311681 T DE 60311681T DE 60311681 T DE60311681 T DE 60311681T DE 60311681 D1 DE60311681 D1 DE 60311681D1
Authority
DE
Germany
Prior art keywords
performance enhancing
enhancing device
performance
enhancing
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 - Lifetime
Application number
DE60311681T
Other languages
English (en)
Other versions
DE60311681T2 (de
Inventor
Takuya Ishii
Masaharu Ikeda
Hiroki Akashi
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE60311681D1 publication Critical patent/DE60311681D1/de
Application granted granted Critical
Publication of DE60311681T2 publication Critical patent/DE60311681T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2173—Class D power amplifiers; Switching amplifiers of the bridge type
    • 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
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3205—Modifications of amplifiers to reduce non-linear distortion in field-effect transistor amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/331—Sigma delta modulation being used in an amplifying circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
DE60311681T 2002-11-15 2003-11-06 Leistungsverstärkungsvorrichtung Expired - Lifetime DE60311681T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002331898 2002-11-15
JP2002331898 2002-11-15
PCT/JP2003/014135 WO2004047287A1 (ja) 2002-11-15 2003-11-06 電力増幅装置

Publications (2)

Publication Number Publication Date
DE60311681D1 true DE60311681D1 (de) 2007-03-22
DE60311681T2 DE60311681T2 (de) 2007-11-22

Family

ID=32321644

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60311681T Expired - Lifetime DE60311681T2 (de) 2002-11-15 2003-11-06 Leistungsverstärkungsvorrichtung

Country Status (6)

Country Link
US (1) US7239200B2 (de)
EP (1) EP1578011B1 (de)
CN (1) CN100433548C (de)
AU (1) AU2003277573A1 (de)
DE (1) DE60311681T2 (de)
WO (1) WO2004047287A1 (de)

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JP4445304B2 (ja) * 2004-03-26 2010-04-07 オンキヨー株式会社 スイッチングアンプ
JP2006033204A (ja) * 2004-07-14 2006-02-02 Toshiba Corp オーディオ信号処理装置
US7746935B2 (en) * 2005-05-13 2010-06-29 Xienetics, Inc. Digital amplifier system for driving a capacitive load
US7564226B2 (en) * 2005-07-01 2009-07-21 Apple Inc. Rapid supply voltage ramp using charged capacitor and switch
JP4948890B2 (ja) * 2005-08-29 2012-06-06 ローム株式会社 モータ駆動装置及びこれを用いた電気機器
FR2890258B1 (fr) * 2005-08-30 2007-10-12 Thales Sa Dispositif et procede pour amplifier des signaux rf impulsionnels
US7298204B2 (en) * 2005-11-30 2007-11-20 Pulsus Technologies Method and apparatus for outputting audio signal
CN101797838B (zh) * 2005-12-22 2012-07-18 精工爱普生株式会社 喷墨打印机的喷头驱动装置和驱动控制方法、喷墨打印机
JP4877233B2 (ja) 2006-01-17 2012-02-15 セイコーエプソン株式会社 インクジェットプリンタのヘッド駆動装置及びインクジェットプリンタ
WO2007083671A1 (ja) * 2006-01-20 2007-07-26 Seiko Epson Corporation インクジェットプリンタのヘッド駆動装置およびインクジェットプリンタ
WO2007086375A1 (ja) * 2006-01-25 2007-08-02 Seiko Epson Corporation インクジェットプリンタのヘッド駆動装置及びヘッド駆動方法、並びにインクジェットプリンタ
JP4875380B2 (ja) * 2006-02-24 2012-02-15 ルネサスエレクトロニクス株式会社 半導体装置
US7456685B2 (en) * 2006-03-07 2008-11-25 Monolithic Power Systems, Inc. Class D audio amplifier with PWM and feedback
US7554332B2 (en) * 2006-03-10 2009-06-30 Advantest Corporation Calibration apparatus, calibration method, testing apparatus, and testing method
JP4930231B2 (ja) 2006-07-20 2012-05-16 セイコーエプソン株式会社 液体噴射装置
JP5141117B2 (ja) * 2006-07-24 2013-02-13 セイコーエプソン株式会社 液体噴射装置および印刷装置
JP2008049699A (ja) * 2006-07-24 2008-03-06 Seiko Epson Corp 液体噴射装置および印刷装置
JP4946685B2 (ja) * 2006-07-24 2012-06-06 セイコーエプソン株式会社 液体噴射装置および印刷装置
JP2008132765A (ja) * 2006-10-25 2008-06-12 Seiko Epson Corp 液体噴射装置および印刷装置
US7731317B2 (en) * 2007-01-12 2010-06-08 Seiko Epson Corporation Liquid jetting device
JP4321600B2 (ja) * 2007-02-07 2009-08-26 セイコーエプソン株式会社 インクジェットプリンタ
KR20080080874A (ko) * 2007-03-02 2008-09-05 삼성전자주식회사 가상 접지를 이용한 오디오 파워 앰프 및 그 신호 처리방법
JP5196811B2 (ja) * 2007-03-06 2013-05-15 ローム株式会社 モータ駆動装置及びこれを用いた電気機器
TWI398095B (zh) * 2007-03-14 2013-06-01 Novatek Microelectronics Corp 可補償偏移電壓的運算放大器
US8259058B2 (en) * 2007-07-12 2012-09-04 Semtech International Ag Method and device for controlling the backlighting of a flat screen
US8031882B2 (en) * 2007-09-06 2011-10-04 Chih-Shun Ding Method and apparatus to reduce the effect of flux modulation in speakers
JP4518152B2 (ja) 2008-01-16 2010-08-04 セイコーエプソン株式会社 液体噴射装置及びインクジェットプリンタ
JP5256768B2 (ja) * 2008-02-21 2013-08-07 セイコーエプソン株式会社 液体噴射装置
JP2009240151A (ja) * 2008-03-07 2009-10-15 Seiko Epson Corp 駆動信号供給制御用半導体装置
JP5521315B2 (ja) * 2008-11-11 2014-06-11 セイコーエプソン株式会社 電力増幅装置および液体噴射装置、液体噴射型印刷装置
JP5903638B2 (ja) 2010-06-25 2016-04-13 パナソニックＩｐマネジメント株式会社 増幅装置
CN102142815A (zh) * 2010-07-09 2011-08-03 启攀微电子（上海）有限公司 一种基于Class-D的多电源切换调制方法及电路
JP5893307B2 (ja) * 2011-09-13 2016-03-23 キヤノン株式会社 振動型アクチュエータの駆動装置
DE102012104488A1 (de) * 2012-05-24 2013-11-28 Hochschule für angewandte Wissenschaften München Geschalteter Verstärker für variable Versorgungsspannung
US9130562B2 (en) * 2013-03-13 2015-09-08 Alpha And Omega Semiconductor Incorporated Active ESD protection circuit
US9385705B2 (en) * 2013-10-04 2016-07-05 Avantwave Limited H-bridge gate control circuit
US9490759B2 (en) * 2014-05-27 2016-11-08 Avago Technologies General Ip (Singapore) Pte. Ltd. Neutralization of parasitic capacitance using MOS device
US10361659B2 (en) * 2017-03-22 2019-07-23 Intel IP Corporation Power envelope tracker and adjustable strength DC-DC converter
CN109412197B (zh) * 2017-08-18 2022-10-14 丰郅(上海)新能源科技有限公司 可产生载波信号的用于光伏组件功率优化的电压转换电路
IT201800001967A1 (it) * 2018-01-26 2019-07-26 System Spa Amplificatore per il pilotaggio di un carico capacitivo
CN110932613B (zh) * 2019-12-20 2023-06-23 维沃移动通信有限公司 电机驱动电路和电子设备
US11183932B2 (en) * 2020-01-08 2021-11-23 Astec International Limited Switch-mode AC-DC power converter for reducing common mode noise
CN113141163B (zh) * 2020-01-19 2023-11-17 晶豪科技股份有限公司 D类功率放大器电路
CN116795021A (zh) * 2022-03-21 2023-09-22 知微电子有限公司 通过密度调制实现高性能的反馈控制系统

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JPS5480657A (en) * 1977-12-09 1979-06-27 Fujitsu Ltd Pulse width modulation power amplifier
JPS60190010A (ja) 1984-03-12 1985-09-27 Sony Corp パルス幅変調信号による制御回路
JPS6139708A (ja) 1984-07-31 1986-02-25 Akai Electric Co Ltd パルス幅変調アンプにおける電源電圧変動補正方法
US4737731A (en) * 1985-04-10 1988-04-12 Harris Corporation Method and apparatus for reducing distortion in amplifiers
JP2844479B2 (ja) * 1989-11-17 1999-01-06 富士通テン株式会社 スイッチングアンプの電源変動補償回路
JPH04281606A (ja) * 1991-03-11 1992-10-07 Matsushita Electric Ind Co Ltd パルス幅変調増幅器
JPH08204466A (ja) * 1995-01-31 1996-08-09 Matsushita Electric Ind Co Ltd 低損失駆動回路
US5939938A (en) * 1995-10-13 1999-08-17 National Semiconductor Corporation Amplifier circuit with reduced DC power related turn-on and turn-off transients
US5767744A (en) * 1995-11-22 1998-06-16 Qsc Audio Products, Inc. Lightweight fixed frequency discontinuous resonant power supply for audio amplifiers
US5777519A (en) * 1996-07-18 1998-07-07 Simopoulos; Anastasios V. High efficiency power amplifier
US5898340A (en) 1996-11-20 1999-04-27 Chatterjee; Manjirnath A. High power efficiency audio amplifier with digital audio and volume inputs
AU5026799A (en) * 1998-07-24 2000-02-21 Toccata Technology Aps A method of attenuating zero crossing distortion and noise in an amplifier, an amplifier and uses of the method and the amplifier
US6331801B1 (en) * 2000-04-07 2001-12-18 Harris Corporation RF amplifier system having an improved power supply
JP2002064983A (ja) 2000-08-17 2002-02-28 Ad Main Inc 電源電圧変動打消しｐｗｍ回路
PL198380B1 (pl) * 2002-01-21 2008-06-30 Adb Polska Sp Wzmacniacz elektroakustyczny klasy D i sposób kompensacji wpływu napięcia zasilającego na wyjściowy sygnał użyteczny we wzmacniaczu elekroakustycznym klasy D
KR100510143B1 (ko) * 2003-07-01 2005-08-25 삼성전자주식회사 역률 보상 방법, 이에 적합한 장치 그리고 이를 적용한전원 장치

Also Published As

Publication number Publication date
EP1578011B1 (de) 2007-02-07
WO2004047287A1 (ja) 2004-06-03
CN1711678A (zh) 2005-12-21
US7239200B2 (en) 2007-07-03
EP1578011A1 (de) 2005-09-21
AU2003277573A1 (en) 2004-06-15
EP1578011A4 (de) 2006-03-15
CN100433548C (zh) 2008-11-12
DE60311681T2 (de) 2007-11-22
US20060132231A1 (en) 2006-06-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP