DE69926479D1 - Klasse D Verstärker mit hoher Bandbreite - Google Patents

Klasse D Verstärker mit hoher Bandbreite

Info

Publication number
DE69926479D1
DE69926479D1 DE69926479T DE69926479T DE69926479D1 DE 69926479 D1 DE69926479 D1 DE 69926479D1 DE 69926479 T DE69926479 T DE 69926479T DE 69926479 T DE69926479 T DE 69926479T DE 69926479 D1 DE69926479 D1 DE 69926479D1
Authority
DE
Germany
Prior art keywords
class
high bandwidth
bandwidth amplifiers
amplifiers
bandwidth
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
DE69926479T
Other languages
English (en)
Inventor
Marco Masini
Luigi Franchini
Eric Labbe
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.)
STMicroelectronics SRL
Original Assignee
STMicroelectronics SRL
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 STMicroelectronics SRL filed Critical STMicroelectronics SRL
Application granted granted Critical
Publication of DE69926479D1 publication Critical patent/DE69926479D1/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE69926479T 1999-04-27 1999-04-27 Klasse D Verstärker mit hoher Bandbreite Expired - Lifetime DE69926479D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99830247A EP1049247B1 (de) 1999-04-27 1999-04-27 Klasse D Verstärker mit hoher Bandbreite

Publications (1)

Publication Number Publication Date
DE69926479D1 true DE69926479D1 (de) 2005-09-08

Family

ID=8243375

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69926479T Expired - Lifetime DE69926479D1 (de) 1999-04-27 1999-04-27 Klasse D Verstärker mit hoher Bandbreite

Country Status (3)

Country Link
US (1) US6346852B1 (de)
EP (1) EP1049247B1 (de)
DE (1) DE69926479D1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1178388B1 (de) * 2000-08-04 2006-06-28 STMicroelectronics S.r.l. Pulscodemodulation/Pulsbreitenmodulation-Umsetzer mit Pulsbreitenmodulation-Leistungsverstärker
EP1184973B1 (de) * 2000-08-29 2007-06-06 STMicroelectronics S.r.l. Leistungsverstärkervorrichtung
US6621335B2 (en) 2001-04-18 2003-09-16 Microsemi Corporation Class D amplifier with passive RC network
GB0110340D0 (en) * 2001-04-27 2001-06-20 Watts Robert D A signal processing circuit
US6404280B1 (en) * 2001-06-01 2002-06-11 Constel Signal Processing Co., Ltd. Method and system for low-distortion power amplification
JP2003110441A (ja) 2001-09-26 2003-04-11 Toshiba Microelectronics Corp ポップ音低減回路及び音声出力増幅装置
WO2003090343A2 (en) 2002-04-19 2003-10-30 Koninklijke Philips Electronics N.V. Power amplifier
EP1429455A1 (de) 2002-12-11 2004-06-16 Dialog Semiconductor GmbH Linearisierung eines PDM-Klasse-D Verstärkers
EP1604455B1 (de) * 2003-03-10 2007-06-13 Koninklijke Philips Electronics N.V. Dreizustands-klasse-d-verstärker
TWI220333B (en) * 2003-06-12 2004-08-11 Delta Electronics Inc PWM buffer circuit for adjusting a frequency and a duty cycle of a PWM signal
US7772902B2 (en) 2003-09-09 2010-08-10 Delta Electronics, Inc. PWM buffer circuit for adjusting a frequency and a duty cycle of a PWM signal
JP4710298B2 (ja) * 2003-11-26 2011-06-29 ヤマハ株式会社 Ｄ級増幅器
JP4452487B2 (ja) * 2003-12-01 2010-04-21 セイコーＮｐｃ株式会社 Ｄ級増幅器
US7683566B2 (en) * 2007-01-30 2010-03-23 Inventec Corporation Fan rotation speed control circuit of power supply system
US7554391B1 (en) 2008-01-11 2009-06-30 Freescale Semiconductor, Inc. Amplifier having a virtual ground and method thereof
US7876155B2 (en) * 2009-05-16 2011-01-25 Alcatel-Lucent Usa Inc. Transimpedance amplifier with distributed control of feedback line
US9595946B2 (en) 2014-01-17 2017-03-14 Stmicroelectronics S.R.L. PWM modulator
CN103905006B (zh) * 2014-03-28 2017-10-24 深圳创维－Rgb电子有限公司 一种具有占空比限制功能的d类功放芯片及其装置
CN104104343B (zh) * 2014-07-10 2017-09-29 矽力杰半导体技术(杭州)有限公司 应用于d类音频放大器的三角波产生方法及电路

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57170606A (en) * 1981-04-10 1982-10-20 Sony Corp Amplifying circuit for pulse-width-modulated signal
NL8203428A (nl) * 1982-09-02 1984-04-02 Philips Nv Inrichting voor het omzetten van een elektrisch signaal in een akoestisch signaal.
US5672998A (en) * 1995-08-09 1997-09-30 Harris Corporation Class D amplifier and method
US5805020A (en) * 1996-06-27 1998-09-08 Harris Corporation Silent start class D amplifier
US6016075A (en) * 1997-06-04 2000-01-18 Lord Corporation Class-D amplifier input structure

Also Published As

Publication number Publication date
US6346852B1 (en) 2002-02-12
EP1049247A1 (de) 2000-11-02
EP1049247B1 (de) 2005-08-03

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Legal Events

Date Code Title Description
8332 No legal effect for de