ATE218766T1 - Kompensationsverfahren von nichtlinearitäten in einem verstärker, verstärker sowie verwendung des verfahrens und des verstärkers - Google Patents

Kompensationsverfahren von nichtlinearitäten in einem verstärker, verstärker sowie verwendung des verfahrens und des verstärkers

Info

Publication number
ATE218766T1
ATE218766T1 AT99906084T AT99906084T ATE218766T1 AT E218766 T1 ATE218766 T1 AT E218766T1 AT 99906084 T AT99906084 T AT 99906084T AT 99906084 T AT99906084 T AT 99906084T AT E218766 T1 ATE218766 T1 AT E218766T1
Authority
AT
Austria
Prior art keywords
signal
pulse
width modulated
amplifier
great
Prior art date
Application number
AT99906084T
Other languages
English (en)
Inventor
Niels Anderskouv
Lars Risbo
Thomas Moerch
Original Assignee
Texas Instr Copenhagen Aps
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 Texas Instr Copenhagen Aps filed Critical Texas Instr Copenhagen Aps
Application granted granted Critical
Publication of ATE218766T1 publication Critical patent/ATE218766T1/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
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
AT99906084T 1998-03-03 1999-03-03 Kompensationsverfahren von nichtlinearitäten in einem verstärker, verstärker sowie verwendung des verfahrens und des verstärkers ATE218766T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK199800283A DK28398A (da) 1998-03-03 1998-03-03 Fremgangsmåde ved kompensering af ulineariteter i en forstærker, en forstærker, samt anvendelser af fremgangsmåden og forst
PCT/DK1999/000102 WO1999045641A1 (en) 1998-03-03 1999-03-03 A method in the compensation of unlinearities in an amplifier, an amplifier, and uses of the method and the amplifier

Publications (1)

Publication Number Publication Date
ATE218766T1 true ATE218766T1 (de) 2002-06-15

Family

ID=8091826

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99906084T ATE218766T1 (de) 1998-03-03 1999-03-03 Kompensationsverfahren von nichtlinearitäten in einem verstärker, verstärker sowie verwendung des verfahrens und des verstärkers

Country Status (10)

Country Link
US (1) US8098091B1 (de)
EP (1) EP1075732B1 (de)
JP (1) JP2002506308A (de)
KR (1) KR100650792B1 (de)
CN (1) CN1117428C (de)
AT (1) ATE218766T1 (de)
AU (1) AU2611499A (de)
DE (1) DE69901704T2 (de)
DK (1) DK28398A (de)
WO (1) WO1999045641A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6518838B1 (en) 1999-02-05 2003-02-11 Texas Instruments Denmark A/S Circuit for compensating noise and errors from an output state of a digital amplifier
US6504427B2 (en) 2001-05-31 2003-01-07 Motorola, Inc. Switching amplifier having digital correction and method therefor
JP3941443B2 (ja) * 2001-09-27 2007-07-04 ヤマハ株式会社 自走式ｐｗｍ増幅器
DE10255352B3 (de) 2002-11-27 2004-02-12 Infineon Technologies Ag Verfahren und Vorrichtung zur Korrektur von Signalverzerrungen in einer Verstärkereinrichtung
DE10393487B3 (de) * 2002-11-27 2007-05-16 Infineon Technologies Ag Verfahren und Vorrichtung zur Korrektur von Signalverzerrungen in einer Verstärkereinrichtung
US7135922B2 (en) * 2004-01-07 2006-11-14 Altec Lansing Technologies, Inc. Power supply rejection for pulse width modulated amplifiers and automatic gain control
CN100417017C (zh) * 2005-02-17 2008-09-03 普诚科技股份有限公司 D类音频放大器的异步式桥接负载
WO2007011012A1 (ja) * 2005-07-21 2007-01-25 Pioneer Corporation 電力増幅装置
KR100765792B1 (ko) * 2006-07-28 2007-10-12 삼성전자주식회사 스위칭 파워 앰프에서 에러 보정 방법 및 장치
CN102037642A (zh) * 2008-05-21 2011-04-27 硅实验室公司 Pwm开关放大器的预测性反馈补偿
CN101741325B (zh) * 2008-11-24 2012-04-11 无锡华润矽科微电子有限公司 带载波可调模块的d类音频功放及其载波调制方法
IT1397119B1 (it) * 2009-12-24 2012-12-28 Elbi Int Spa Dispositivo misuratore di portata per fluidi, in particolare per liquidi.
KR101871360B1 (ko) * 2011-03-09 2018-06-26 삼성전자주식회사 오디오 신호 출력 방법 및 그에 따른 오디오 신호 출력 장치
CN104201996B (zh) * 2014-08-29 2017-07-07 青岛海信电器股份有限公司 一种用于d类功率放大器的反馈电路及电子设备
DE102015110274A1 (de) 2015-06-25 2016-12-29 Intel IP Corporation Eine vorrichtung und ein verfahren zum verstärken eines eingangssignals
CN113001003B (zh) * 2021-04-16 2022-06-14 东莞声索电子有限公司 一种超声波电源非线性输出功率装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061930A (en) 1976-06-11 1977-12-06 Rohr Industries, Incorporated Base drive inhibit circuit
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
JPH04281606A (ja) 1991-03-11 1992-10-07 Matsushita Electric Ind Co Ltd パルス幅変調増幅器
US5410592A (en) 1993-06-04 1995-04-25 Harris Corporation Class `D` audio speaker amplifier circuit with state variable feedback control
DE69526732T2 (de) 1995-07-13 2002-10-24 Stmicroelectronics S.R.L., Agrate Brianza Klasse-D Verstärker mit einem Ausgang und zwei Betriebsspannungen
US5815581A (en) * 1995-10-19 1998-09-29 Mitel Semiconductor, Inc. Class D hearing aid amplifier with feedback
JP5222297B2 (ja) * 2006-09-28 2013-06-26 パスカル・アー／エス 被制御パワー・コンバータ
KR101354853B1 (ko) * 2006-12-21 2014-01-22 방 앤드 올루프센 아이스파워 에이/에스 펄스 변조기로부터의 펄스 변조된 참조 신호의 전력 증폭 동안에 스위칭 전력 증폭단에 도입되는 비선형성 및 잡음의 소스에 대하여 보정하는 방법 및 시스템
US7629840B2 (en) * 2007-10-22 2009-12-08 Freescale Semiconductor, Inc. Digital pulse width modulated feedback system for a switching amplifier and method therefor
US7733171B2 (en) * 2007-12-31 2010-06-08 Synopsys, Inc. Class D amplifier having PWM circuit with look-up table

Also Published As

Publication number Publication date
EP1075732B1 (de) 2002-06-05
JP2002506308A (ja) 2002-02-26
DK28398A (da) 1999-09-04
CN1117428C (zh) 2003-08-06
AU2611499A (en) 1999-09-20
KR20010041503A (ko) 2001-05-25
US8098091B1 (en) 2012-01-17
EP1075732A1 (de) 2001-02-14
CN1292168A (zh) 2001-04-18
KR100650792B1 (ko) 2006-11-28
WO1999045641A1 (en) 1999-09-10
DE69901704D1 (de) 2002-07-11
DE69901704T2 (de) 2003-02-06

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