DE60233639D1 - Schalt-leistungsverstärker und schaltsteuerverfahren des schalt-leistungsverstärkers - Google Patents

Schalt-leistungsverstärker und schaltsteuerverfahren des schalt-leistungsverstärkers

Info

Publication number
DE60233639D1
DE60233639D1 DE60233639T DE60233639T DE60233639D1 DE 60233639 D1 DE60233639 D1 DE 60233639D1 DE 60233639 T DE60233639 T DE 60233639T DE 60233639 T DE60233639 T DE 60233639T DE 60233639 D1 DE60233639 D1 DE 60233639D1
Authority
DE
Germany
Prior art keywords
switching power
switching
power supply
signal
clock signal
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
DE60233639T
Other languages
English (en)
Inventor
Takashi Shima
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE60233639D1 publication Critical patent/DE60233639D1/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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
DE60233639T 2001-02-19 2002-02-08 Schalt-leistungsverstärker und schaltsteuerverfahren des schalt-leistungsverstärkers Expired - Fee Related DE60233639D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001042105 2001-02-19
PCT/JP2002/001089 WO2002067416A1 (fr) 2001-02-19 2002-02-08 Amplificateur de puissance a commutation et son procede de commande de commutation

Publications (1)

Publication Number Publication Date
DE60233639D1 true DE60233639D1 (de) 2009-10-22

Family

ID=18904450

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60233639T Expired - Fee Related DE60233639D1 (de) 2001-02-19 2002-02-08 Schalt-leistungsverstärker und schaltsteuerverfahren des schalt-leistungsverstärkers

Country Status (6)

Country Link
US (1) US6831508B2 (de)
EP (1) EP1363394B1 (de)
JP (1) JPWO2002067416A1 (de)
KR (1) KR100828138B1 (de)
DE (1) DE60233639D1 (de)
WO (1) WO2002067416A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004010575A1 (ja) * 2002-07-18 2004-01-29 Sony Corporation パワーアンプ装置
JP3863133B2 (ja) * 2003-09-25 2006-12-27 沖電気工業株式会社 信号増幅回路
US6949978B2 (en) * 2003-10-17 2005-09-27 Raytheon Company Efficient broadband switching-mode amplifier
JP4157010B2 (ja) * 2003-10-27 2008-09-24 三菱電機株式会社 駆動回路及び半導体装置
JP2005142983A (ja) * 2003-11-10 2005-06-02 Sony Corp 電力増幅回路
KR100604981B1 (ko) * 2004-05-27 2006-07-26 삼성전자주식회사 디급 증폭기 및 펄스폭 변조 방법
JP4201752B2 (ja) * 2004-09-21 2008-12-24 ローム株式会社 オーディオパワーアンプｉｃ
JP4852837B2 (ja) * 2004-11-01 2012-01-11 日本テキサス・インスツルメンツ株式会社 Ｐｗｍドライバおよびこれを用いたｄ級増幅器
JP4878376B2 (ja) * 2006-01-31 2012-02-15 ディー２オーディオ コーポレイション パルス幅変調の非対称的な信号レベルに係るシステム及び方法
US8644396B2 (en) 2006-04-18 2014-02-04 Qualcomm Incorporated Waveform encoding for wireless applications
US7576605B2 (en) * 2006-04-20 2009-08-18 Qualcomm Incorporated Low power output stage
US8406794B2 (en) 2006-04-26 2013-03-26 Qualcomm Incorporated Methods and apparatuses of initiating communication in wireless networks
CN101433052B (zh) 2006-04-26 2013-04-24 高通股份有限公司 设备功能和资源管理的动态分配
US8289159B2 (en) 2006-04-26 2012-10-16 Qualcomm Incorporated Wireless localization apparatus and method
KR100770744B1 (ko) * 2006-08-23 2007-10-26 삼성전자주식회사 팝업 노이즈 방지 방법 및 팝업 노이즈 방지 회로를포함하는 디지털 앰프
JP5194663B2 (ja) * 2007-09-13 2013-05-08 株式会社リコー 半導体装置
JP4300372B1 (ja) 2008-02-27 2009-07-22 オンキヨー株式会社 オーディオ装置、スイッチング電源及びスイッチング制御方法
US8525498B2 (en) * 2008-07-31 2013-09-03 Monolithic Power Systems, Inc. Average input current limit method and apparatus thereof
KR100945683B1 (ko) * 2009-06-17 2010-03-05 주식회사 엠디아이 불요파 노이즈 감소회로를 구비한 오디오 앰프
KR100943342B1 (ko) * 2009-10-09 2010-02-19 주식회사 바이콤 디지털 증폭기의 클럭신호에 동기된 스위칭 파워 서플라이의 클럭신호 발생장치
JP6369686B2 (ja) * 2014-12-15 2018-08-08 セイコーエプソン株式会社 液体吐出装置、ヘッドユニット、容量性負荷駆動回路および容量性負荷駆動用集積回路装置
JP6675888B2 (ja) * 2016-03-07 2020-04-08 エイブリック株式会社 デジタル無線送信装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1596378A (en) * 1977-01-07 1981-08-26 Communications Patents Ltd Amplifier systems
US4063199A (en) * 1977-02-10 1977-12-13 Rca Corporation Radio frequency pulse width amplitude modulation system
WO1994011799A1 (en) * 1992-11-10 1994-05-26 Motorola, Inc. Switching regulator and amplifier system
JP3413281B2 (ja) * 1994-02-16 2003-06-03 パイオニア株式会社 電力増幅回路
JPH07303012A (ja) * 1994-05-02 1995-11-14 Kenwood Corp 電力増幅器
US5898340A (en) * 1996-11-20 1999-04-27 Chatterjee; Manjirnath A. High power efficiency audio amplifier with digital audio and volume inputs
US6084450A (en) * 1997-01-14 2000-07-04 The Regents Of The University Of California PWM controller with one cycle response
US6097249A (en) * 1998-09-02 2000-08-01 Rockford Corporation Method and device for improved class BD amplification having single-terminal alternating-rail dual-sampling topology

Also Published As

Publication number Publication date
US6831508B2 (en) 2004-12-14
EP1363394A4 (de) 2006-07-26
US20030169103A1 (en) 2003-09-11
EP1363394A1 (de) 2003-11-19
JPWO2002067416A1 (ja) 2004-06-24
KR20030011809A (ko) 2003-02-11
WO2002067416A1 (fr) 2002-08-29
EP1363394B1 (de) 2009-09-09
KR100828138B1 (ko) 2008-05-08

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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