DE69229973T2 - Pulsbreitenmodulationsverstärker - Google Patents

Pulsbreitenmodulationsverstärker

Info

Publication number
DE69229973T2
DE69229973T2 DE69229973T DE69229973T DE69229973T2 DE 69229973 T2 DE69229973 T2 DE 69229973T2 DE 69229973 T DE69229973 T DE 69229973T DE 69229973 T DE69229973 T DE 69229973T DE 69229973 T2 DE69229973 T2 DE 69229973T2
Authority
DE
Germany
Prior art keywords
pulse width
width modulation
modulation amplifier
amplifier
pulse
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
DE69229973T
Other languages
English (en)
Other versions
DE69229973D1 (de
Inventor
Yasufumi Nakajima
Toshihiko Oohashi
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 Holdings 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 DE69229973D1 publication Critical patent/DE69229973D1/de
Application granted granted Critical
Publication of DE69229973T2 publication Critical patent/DE69229973T2/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
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/305—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in case of switching on or off of a power supply
    • 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
    • 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
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE69229973T 1991-03-11 1992-03-10 Pulsbreitenmodulationsverstärker Expired - Fee Related DE69229973T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3044769A JPH04281606A (ja) 1991-03-11 1991-03-11 パルス幅変調増幅器

Publications (2)

Publication Number Publication Date
DE69229973D1 DE69229973D1 (de) 1999-10-21
DE69229973T2 true DE69229973T2 (de) 2000-04-27

Family

ID=12700630

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69229973T Expired - Fee Related DE69229973T2 (de) 1991-03-11 1992-03-10 Pulsbreitenmodulationsverstärker

Country Status (4)

Country Link
US (1) US5262733A (de)
EP (1) EP0503571B1 (de)
JP (1) JPH04281606A (de)
DE (1) DE69229973T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10231183A1 (de) * 2002-07-10 2004-01-29 Infineon Technologies Ag Verstärkerschaltung

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59208582D1 (de) * 1992-03-31 1997-07-10 Siemens Audiologische Technik Schaltungsanordnung mit einem Schaltverstärker
US5438694A (en) * 1993-08-09 1995-08-01 Motorola, Inc. Distortion compensation for a pulsewidth-modulated circuit
EP0753934B1 (de) * 1995-07-13 2002-05-15 STMicroelectronics S.r.l. Klasse-D Verstärker mit einem Ausgang und zwei Betriebsspannungen
US5729175A (en) * 1996-04-26 1998-03-17 Motorola Inc. Method of driving a class D audio power amplifier using non-overlapping edge drive signals
GB2314474B (en) * 1996-06-21 2001-03-07 Univ Bristol Low power audio device
GB9623175D0 (en) * 1996-11-06 1997-01-08 Harman Int Ind Improvements in or relating to amplifiers
US5982231A (en) 1997-07-23 1999-11-09 Linfinity Microelectronics, Inc. Multiple channel class D audio amplifier
DK28398A (da) 1998-03-03 1999-09-04 Toccata Technology Aps Fremgangsmåde ved kompensering af ulineariteter i en forstærker, en forstærker, samt anvendelser af fremgangsmåden og forst
AU3933700A (en) * 1999-03-16 2000-10-04 Audiologic, Incorporated Power supply compensation for noise shaped, digital amplifiers
FR2791198B1 (fr) * 1999-03-16 2001-06-15 St Microelectronics Sa Procede et dispositif de generation d'un signal impulsionnel a impulsions de largeur modulable
WO2001091286A1 (en) * 2000-05-25 2001-11-29 Koninklijke Philips Electronics N.V. Carrousel handshake
EP1184973B1 (de) 2000-08-29 2007-06-06 STMicroelectronics S.r.l. Leistungsverstärkervorrichtung
US6781357B2 (en) 2001-09-27 2004-08-24 Power Integrations, Inc. Method and apparatus for maintaining a constant load current with line voltage in a switch mode power supply
US6636124B1 (en) 2001-11-30 2003-10-21 Analog Technologies, Inc. Method and apparatus for accurate pulse width modulation
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
US6608521B1 (en) * 2002-05-14 2003-08-19 Texas Instruments Incorporated Pulse width modulation regulator control circuit having precise frequency and amplitude control
EP1578011B1 (de) 2002-11-15 2007-02-07 Matsushita Electric Industrial Co., Ltd. Leistungsverstärkungsvorrichtung
EP1429455A1 (de) * 2002-12-11 2004-06-16 Dialog Semiconductor GmbH Linearisierung eines PDM-Klasse-D Verstärkers
US6879189B2 (en) * 2003-03-28 2005-04-12 Delphi Technologies, Inc. Asynchronous fault detection circuit for a PWM driver
JP2004336765A (ja) * 2003-05-02 2004-11-25 Samsung Electronics Co Ltd ポップノイズ減少のための音声信号発生装置及び音声信号発生方法
KR100604815B1 (ko) 2003-05-02 2006-07-26 삼성전자주식회사 신호 발생장치 및 신호 발생방법
CA2533498C (en) 2003-07-24 2013-08-27 Dobbs-Stanford Corporation Modulated triangular wave amplifier
JP2005064661A (ja) * 2003-08-08 2005-03-10 Onkyo Corp パルス幅変調回路およびこの回路を備えたスイッチングアンプ
US7106130B2 (en) * 2003-09-05 2006-09-12 Delta Electronics, Inc. Variable frequency PWM controller circuit
WO2005036734A1 (en) 2003-10-10 2005-04-21 Tc Electronic A/S Power supply compensation
DE10353965A1 (de) * 2003-11-19 2005-06-09 Siemens Ag Verstärker mit endstufen-gesteuerter Regelung
KR101060359B1 (ko) * 2004-01-07 2011-08-29 알텍 랜싱, 에이 디비젼 오브 플랜트로닉스 인코포레이티드 펄스 폭 변조 증폭기 및 자동 이득 제어용 전원신호 제거장치와 방법
US7352237B2 (en) * 2005-03-25 2008-04-01 Pulsewave Rf, Inc. Radio frequency power amplifier and corresponding method
KR100618408B1 (ko) * 2005-05-17 2006-08-31 (주)펄서스 테크놀러지 디지털 앰프용 펄스 폭 변조기, 디지털 앰프의 팝 노이즈감소 방법 및 디지털 앰프
CN101346234B (zh) * 2005-12-22 2011-04-06 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
CN101370662B (zh) * 2006-01-17 2010-08-25 精工爱普生株式会社 喷墨打印机的喷头驱动装置及喷墨打印机
JP4877234B2 (ja) 2006-01-20 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
GB2440188B (en) * 2006-07-14 2011-06-08 Wolfson Ltd Amplifier Circuits, Methods of Starting and Stopping Amplifier Circuits
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
JP2008049699A (ja) * 2006-07-24 2008-03-06 Seiko Epson Corp 液体噴射装置および印刷装置
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
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
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
US8509714B2 (en) * 2009-09-04 2013-08-13 Electronics And Telecommunications Research Institute Bias modulation apparatus, and apparatus and method for transmitting signal for wideband mobile communication using the same
WO2011161911A1 (ja) * 2010-06-25 2011-12-29 パナソニック株式会社 増幅装置
JP5496001B2 (ja) * 2010-07-27 2014-05-21 新日本無線株式会社 Ｄ級増幅回路
DE102012104488A1 (de) * 2012-05-24 2013-11-28 Hochschule für angewandte Wissenschaften München Geschalteter Verstärker für variable Versorgungsspannung
US9509261B2 (en) * 2013-12-02 2016-11-29 Crestron Electronics Inc. Reduced crosstalk and matched output power audio amplifier

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5758864B2 (de) * 1974-03-28 1982-12-11 Sony Corp
GB1505829A (en) * 1975-07-22 1978-03-30 Communications Patents Ltd Pulse modulated amplifiers
JPS55103079A (en) * 1979-01-31 1980-08-06 Toshiba Corp Switching regulator
JPS57170606A (en) * 1981-04-10 1982-10-20 Sony Corp Amplifying circuit for pulse-width-modulated signal
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
US4737731A (en) * 1985-04-10 1988-04-12 Harris Corporation Method and apparatus for reducing distortion in amplifiers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10231183A1 (de) * 2002-07-10 2004-01-29 Infineon Technologies Ag Verstärkerschaltung

Also Published As

Publication number Publication date
JPH04281606A (ja) 1992-10-07
DE69229973D1 (de) 1999-10-21
US5262733A (en) 1993-11-16
EP0503571A1 (de) 1992-09-16
EP0503571B1 (de) 1999-09-15

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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