ATE532259T1 - Verstärkerschaltkreis - Google Patents

Verstärkerschaltkreis

Info

Publication number
ATE532259T1
ATE532259T1 AT10151472T AT10151472T ATE532259T1 AT E532259 T1 ATE532259 T1 AT E532259T1 AT 10151472 T AT10151472 T AT 10151472T AT 10151472 T AT10151472 T AT 10151472T AT E532259 T1 ATE532259 T1 AT E532259T1
Authority
AT
Austria
Prior art keywords
frequency
class
power supply
reference clock
amplification device
Prior art date
Application number
AT10151472T
Other languages
English (en)
Inventor
Yasushi Maeda
Original Assignee
Canon Kk
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 Canon Kk filed Critical Canon Kk
Application granted granted Critical
Publication of ATE532259T1 publication Critical patent/ATE532259T1/de

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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/03—Indexing scheme relating to amplifiers the amplifier being designed for audio applications
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/372—Noise reduction and elimination in amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
AT10151472T 2009-01-22 2010-01-22 Verstärkerschaltkreis ATE532259T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009012341A JP5202354B2 (ja) 2009-01-22 2009-01-22 Ｄ級増幅装置

Publications (1)

Publication Number Publication Date
ATE532259T1 true ATE532259T1 (de) 2011-11-15

Family

ID=42173249

Family Applications (1)

Application Number Title Priority Date Filing Date
AT10151472T ATE532259T1 (de) 2009-01-22 2010-01-22 Verstärkerschaltkreis

Country Status (4)

Country Link
US (1) US8203382B2 (de)
EP (1) EP2211460B1 (de)
JP (1) JP5202354B2 (de)
AT (1) ATE532259T1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5439694B2 (ja) * 2009-06-22 2014-03-12 ルネサスエレクトロニクス株式会社 パルス幅変調回路
JP5633163B2 (ja) * 2010-03-18 2014-12-03 ヤマハ株式会社 Ｄ級電力増幅装置
EP2555423B1 (de) * 2010-03-31 2014-03-12 Panasonic Corporation Digitaler verstärker
FR2966994B1 (fr) * 2010-11-02 2018-01-26 Cddic Amplificateur audio class-d pwm combine avec un elevateur de tension et avec controle de dissipation.
US8410851B1 (en) * 2011-09-12 2013-04-02 Wen-Hsiung Hsieh Switching amplifier with an inductor
US8451057B2 (en) * 2011-11-02 2013-05-28 Wen-Hsiung Hsieh Switching amplifier using inductor current feedback
US9602067B2 (en) * 2011-11-15 2017-03-21 Wen-Hsiung Hsieh Switching amplifier with pulsed current supply
US8416020B1 (en) * 2011-11-20 2013-04-09 Wen-Hsiung Hsieh Switching amplifier and switching amplifying method
US8432221B1 (en) * 2011-11-27 2013-04-30 Wen-Hsiung Hsieh Switching amplifying method and switching amplifier
JP5984514B2 (ja) 2012-05-31 2016-09-06 キヤノン株式会社 電源装置およびそれを備えた画像形成装置
TWI448166B (zh) * 2012-08-17 2014-08-01 Elite Semiconductor Esmt 用於減少氣爆雜音的裝置
EP2926446A4 (de) * 2012-11-28 2016-08-31 Guangdong Rui Ding Electrical Technology Ltd Supereffizienter einstufiger isolierter schaltleistungsverstärker
JP5578745B1 (ja) * 2013-08-22 2014-08-27 株式会社京三製作所 Ｄ級増幅器
IT201600104760A1 (it) * 2016-10-18 2018-04-18 Menarini Silicon Biosystems Spa Circuito elettronico di pilotaggio per il pilotaggio di elettrodi di un dispositivo microfluidico di manipolazione di particelle, e relativo apparecchio di analisi

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01293003A (ja) * 1988-05-20 1989-11-27 Matsushita Electric Ind Co Ltd 電力増幅器
JP2001298330A (ja) 2000-04-11 2001-10-26 Ad Main Inc 絶縁型ｐｗｍ電力増幅器
TW519792B (en) * 2000-08-30 2003-02-01 Cirrus Logic Inc Circuits and methods for reducing interference from switched mode circuits
JP2002223132A (ja) 2001-01-29 2002-08-09 Niigata Seimitsu Kk 音声再生装置および方法
JP2004072707A (ja) * 2002-06-13 2004-03-04 Sony Corp パワーアンプ装置
JP2005136717A (ja) * 2003-10-30 2005-05-26 Victor Co Of Japan Ltd デジタルアンプ装置
JP5011890B2 (ja) * 2006-08-24 2012-08-29 ヤマハ株式会社 調光器付デジタルアンプシステムおよび照明付スピーカシステム
JP4869874B2 (ja) * 2006-11-08 2012-02-08 Ｄｘアンテナ株式会社 高周波増幅器

Also Published As

Publication number Publication date
EP2211460B1 (de) 2011-11-02
JP2010171737A (ja) 2010-08-05
US20100182083A1 (en) 2010-07-22
EP2211460A1 (de) 2010-07-28
JP5202354B2 (ja) 2013-06-05
US8203382B2 (en) 2012-06-19

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