DK28398A - Fremgangsmåde ved kompensering af ulineariteter i en forstærker, en forstærker, samt anvendelser af fremgangsmåden og forst - Google Patents

Fremgangsmåde ved kompensering af ulineariteter i en forstærker, en forstærker, samt anvendelser af fremgangsmåden og forst

Info

Publication number
DK28398A
DK28398A DK199800283A DK28398A DK28398A DK 28398 A DK28398 A DK 28398A DK 199800283 A DK199800283 A DK 199800283A DK 28398 A DK28398 A DK 28398A DK 28398 A DK28398 A DK 28398A
Authority
DK
Denmark
Prior art keywords
signal
pulse
width modulated
amplifier
great
Prior art date
Application number
DK199800283A
Other languages
English (en)
Inventor
Lars Risbo
Thomas Moerch
Niels Anderskouv
Original Assignee
Toccata Technology 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 Toccata Technology Aps filed Critical Toccata Technology Aps
Priority to DK199800283A priority Critical patent/DK28398A/da
Priority to AU26114/99A priority patent/AU2611499A/en
Priority to JP2000535088A priority patent/JP2002506308A/ja
Priority to KR1020007009671A priority patent/KR100650792B1/ko
Priority to CN99803617A priority patent/CN1117428C/zh
Priority to DE69901704T priority patent/DE69901704T2/de
Priority to EP99906084A priority patent/EP1075732B1/en
Priority to PCT/DK1999/000102 priority patent/WO1999045641A1/en
Priority to US09/623,554 priority patent/US8098091B1/en
Priority to AT99906084T priority patent/ATE218766T1/de
Publication of DK28398A publication Critical patent/DK28398A/da

Links

Classifications

    • 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
    • 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
    • H03F2200/03—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)
DK199800283A 1998-03-03 1998-03-03 Fremgangsmåde ved kompensering af ulineariteter i en forstærker, en forstærker, samt anvendelser af fremgangsmåden og forst DK28398A (da)

Priority Applications (10)

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
AU26114/99A AU2611499A (en) 1998-03-03 1999-03-03 A method in the compensation of unlinearities in an amplifier, an amplifier, anduses of the method and the amplifier
JP2000535088A JP2002506308A (ja) 1998-03-03 1999-03-03 増幅器の非線形性を補償する方法、増幅器と、および該方法並びに該増幅器の使用方法
KR1020007009671A KR100650792B1 (ko) 1998-03-03 1999-03-03 증폭기의 비선형성 보상 방법, 증폭기, 및 이러한 방법 및 증폭기의 이용
CN99803617A CN1117428C (zh) 1998-03-03 1999-03-03 在放大器中补偿非线性的方法、一种放大器以及这种方法和放大器的应用
DE69901704T DE69901704T2 (de) 1998-03-03 1999-03-03 Kompensationsverfahren von nichtlinearitäten in einem verstärker, verstärker sowie verwendung des verfahrens und des verstärkers
EP99906084A EP1075732B1 (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
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
US09/623,554 US8098091B1 (en) 1998-03-03 1999-03-03 Method in the compensation of unlinearities in an amplifier, and uses of the method and the amplifier
AT99906084T ATE218766T1 (de) 1998-03-03 1999-03-03 Kompensationsverfahren von nichtlinearitäten in einem verstärker, verstärker sowie verwendung des verfahrens und des verstärkers

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DK28398A true DK28398A (da) 1999-09-04

Family

ID=8091826

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (10)

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

Families Citing this family (16)

* Cited by examiner, † Cited by third party
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EP1153476B1 (en) * 1999-02-05 2003-01-08 Texas Instruments Denmark A/S A circuit for compensating noise and errors from an output stage 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
DE10393487B3 (de) * 2002-11-27 2007-05-16 Infineon Technologies Ag Verfahren und Vorrichtung zur Korrektur von Signalverzerrungen in einer Verstärkereinrichtung
DE10255352B3 (de) 2002-11-27 2004-02-12 Infineon Technologies Ag Verfahren und Vorrichtung zur Korrektur von Signalverzerrungen in einer Verstärkereinrichtung
EP1709733A4 (en) * 2004-01-07 2009-01-07 Plantronics IMPROVED FEED REJECTION FOR PULSE WIDTH MODULATION 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
JP4688225B2 (ja) * 2005-07-21 2011-05-25 パイオニア株式会社 電力増幅装置
KR100765792B1 (ko) * 2006-07-28 2007-10-12 삼성전자주식회사 스위칭 파워 앰프에서 에러 보정 방법 및 장치
DE112009001227T5 (de) * 2008-05-21 2011-04-07 Silicon Laboratories, Inc., Austin Prädiktive Rückkopplungskompensation für PWM-Schaltverstärker
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

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* 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
US7893743B2 (en) * 2006-09-28 2011-02-22 Pascal A/S Controlled power converter
US7839211B2 (en) * 2006-12-21 2010-11-23 Bang & Olufsen Icepower A/S Error correction system for a class-D power stage
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
KR20010041503A (ko) 2001-05-25
ATE218766T1 (de) 2002-06-15
EP1075732A1 (en) 2001-02-14
JP2002506308A (ja) 2002-02-26
CN1292168A (zh) 2001-04-18
US8098091B1 (en) 2012-01-17
DE69901704T2 (de) 2003-02-06
DE69901704D1 (de) 2002-07-11
WO1999045641A1 (en) 1999-09-10
AU2611499A (en) 1999-09-20
KR100650792B1 (ko) 2006-11-28
EP1075732B1 (en) 2002-06-05
CN1117428C (zh) 2003-08-06

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment