ATE364927T1 - Dreizustands-klasse-d-verstärker - Google Patents

Dreizustands-klasse-d-verstärker

Info

Publication number
ATE364927T1
ATE364927T1 AT04716295T AT04716295T ATE364927T1 AT E364927 T1 ATE364927 T1 AT E364927T1 AT 04716295 T AT04716295 T AT 04716295T AT 04716295 T AT04716295 T AT 04716295T AT E364927 T1 ATE364927 T1 AT E364927T1
Authority
AT
Austria
Prior art keywords
signal
amplifier
signals
coupled
low
Prior art date
Application number
AT04716295T
Other languages
English (en)
Inventor
Cremoux Guillaume De
Loo Insun Van
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE364927T1 publication Critical patent/ATE364927T1/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
    • H03F3/2173—Class D power amplifiers; Switching amplifiers of the bridge type
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/33—Bridge form coupled amplifiers; H-form coupled amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
AT04716295T 2003-03-10 2004-03-02 Dreizustands-klasse-d-verstärker ATE364927T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03100595 2003-03-10

Publications (1)

Publication Number Publication Date
ATE364927T1 true ATE364927T1 (de) 2007-07-15

Family

ID=32981901

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04716295T ATE364927T1 (de) 2003-03-10 2004-03-02 Dreizustands-klasse-d-verstärker

Country Status (7)

Country Link
US (1) US7230485B2 (de)
EP (1) EP1604455B1 (de)
JP (1) JP2006520159A (de)
CN (1) CN100547911C (de)
AT (1) ATE364927T1 (de)
DE (1) DE602004006974T2 (de)
WO (1) WO2004082133A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4855886B2 (ja) * 2006-10-02 2012-01-18 株式会社東芝 電力増幅装置
US7551028B1 (en) * 2006-12-11 2009-06-23 Marvell International Ltd. Signal generators for current-mode three-level digital amplifiers
US7592844B2 (en) * 2007-01-19 2009-09-22 Power Integrations, Inc. Comparator with complementary differential input stages
US7554391B1 (en) 2008-01-11 2009-06-30 Freescale Semiconductor, Inc. Amplifier having a virtual ground and method thereof
US7598895B1 (en) * 2008-04-01 2009-10-06 Silicon Laboratories, Inc. System and method of altering a PWM carrier power spectrum
US7701307B2 (en) * 2008-04-01 2010-04-20 Silicon Laboratories, Inc. System and method of changing a PWM power spectrum
US7791521B2 (en) * 2008-04-01 2010-09-07 Silicon Laboratories, Inc. System and method of changing a PWM power spectrum
EP2221964B1 (de) * 2009-02-18 2015-06-24 Hypex Electronics B.V. Selbstschwingendes Klasse-D-Verstärkersystem
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
US8130128B2 (en) 2010-03-30 2012-03-06 Silicon Laboratores Inc. System and method for generating shaped noise
KR101185655B1 (ko) * 2011-08-04 2012-09-24 주식회사 씨자인 Ｄ급 스위칭 증폭기를 위한 변조 장치
CN108449057A (zh) * 2013-09-12 2018-08-24 意法半导体研发(深圳)有限公司 音频设备中去除pop噪声的方法与电路
US9461595B2 (en) 2014-03-14 2016-10-04 Qualcomm Incoporated Integrator for class D audio amplifier
EP3499718B1 (de) * 2017-12-18 2021-07-07 Stichting IMEC Nederland Verbesserungen an oder in verbindung mit leistungsverstärkern mit geschaltetem kondensator

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.
JP2807853B2 (ja) * 1993-01-29 1998-10-08 リオン株式会社 出力回路
US5617058A (en) * 1995-11-13 1997-04-01 Apogee Technology, Inc. Digital signal processing for linearization of small input signals to a tri-state power switch
CA2202442A1 (en) * 1997-04-11 1998-10-11 Revolve Technologies Inc. Current mode switching for tri-state amplifiers in magnetic bearing control systems
US5949282A (en) * 1998-02-25 1999-09-07 National Semiconductor Corporation Class D amplifier no low pass filter feedback with zero phase delay
US6229389B1 (en) * 1998-11-18 2001-05-08 Intersil Corporation Class D modulator with peak current limit and load impedance sensing circuits
DE69926479D1 (de) * 1999-04-27 2005-09-08 St Microelectronics Srl Klasse D Verstärker mit hoher Bandbreite
US6262632B1 (en) * 1999-11-16 2001-07-17 Texas Instruments Incorporated Concept and method to enable filterless, efficient operation of Class-D amplifiers
US6211728B1 (en) * 1999-11-16 2001-04-03 Texas Instruments Incorporated Modulation scheme for filterless switching amplifiers
US6320460B1 (en) * 2000-05-30 2001-11-20 Ivan Meszlenyi Class D amplifier
US7319763B2 (en) * 2001-07-11 2008-01-15 American Technology Corporation Power amplification for parametric loudspeakers
US6552607B1 (en) * 2001-11-12 2003-04-22 Apogee Technology Inc. Time division multiplexed PWM amplifier

Also Published As

Publication number Publication date
JP2006520159A (ja) 2006-08-31
DE602004006974D1 (de) 2007-07-26
CN1759534A (zh) 2006-04-12
EP1604455B1 (de) 2007-06-13
DE602004006974T2 (de) 2008-02-28
US20060077007A1 (en) 2006-04-13
EP1604455A1 (de) 2005-12-14
WO2004082133A1 (en) 2004-09-23
US7230485B2 (en) 2007-06-12
CN100547911C (zh) 2009-10-07

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