ATE513361T1 - Fehlerkorrektursystem für eine klasse-d- leistungsstufe - Google Patents

Fehlerkorrektursystem für eine klasse-d- leistungsstufe

Info

Publication number
ATE513361T1
ATE513361T1 AT07859499T AT07859499T ATE513361T1 AT E513361 T1 ATE513361 T1 AT E513361T1 AT 07859499 T AT07859499 T AT 07859499T AT 07859499 T AT07859499 T AT 07859499T AT E513361 T1 ATE513361 T1 AT E513361T1
Authority
AT
Austria
Prior art keywords
signal
power amplification
pulse
comparator
feeding
Prior art date
Application number
AT07859499T
Other languages
English (en)
Inventor
Ole Neis Nielsen
Original Assignee
Bang & Olufsen Icepower As
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 Bang & Olufsen Icepower As filed Critical Bang & Olufsen Icepower As
Application granted granted Critical
Publication of ATE513361T1 publication Critical patent/ATE513361T1/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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/107—License processing; Key processing
    • G06F21/1073—Conversion
    • 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10—Calibration or testing
    • H03M1/1009—Calibration
    • H03M1/1033—Calibration over the full range of the converter, e.g. for correcting differential non-linearity
    • 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
    • H03F2200/144—Indexing scheme relating to amplifiers the feedback circuit of the amplifier stage comprising a passive resistor and passive capacitor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/351—Pulse width modulation being used in an amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/372—Noise reduction and elimination in amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/82—Digital/analogue converters with intermediate conversion to time interval
    • H03M1/822—Digital/analogue converters with intermediate conversion to time interval using pulse width modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Databases & Information Systems (AREA)
  • Data Mining & Analysis (AREA)
  • Multimedia (AREA)
  • Technology Law (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Amplifiers (AREA)
AT07859499T 2006-12-21 2007-12-21 Fehlerkorrektursystem für eine klasse-d- leistungsstufe ATE513361T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA200601689 2006-12-21
PCT/IB2007/055279 WO2008075318A2 (en) 2006-12-21 2007-12-21 Error correction system for a class-d power stage

Publications (1)

Publication Number Publication Date
ATE513361T1 true ATE513361T1 (de) 2011-07-15

Family

ID=39496077

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07859499T ATE513361T1 (de) 2006-12-21 2007-12-21 Fehlerkorrektursystem für eine klasse-d- leistungsstufe

Country Status (8)

Country Link
US (1) US7839211B2 (de)
EP (1) EP2127071B1 (de)
JP (1) JP5253413B2 (de)
KR (1) KR101354853B1 (de)
CN (1) CN101563841B (de)
AT (1) ATE513361T1 (de)
ES (1) ES2367201T3 (de)
WO (1) WO2008075318A2 (de)

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DE102005041052B3 (de) * 2005-08-30 2007-03-29 Infineon Technologies Ag Verfahren zur Stabilitätskontrolle einer selbstschwingenden Treiberschaltung und selbstschwingende Treiberschaltung
KR20100008749A (ko) * 2008-07-16 2010-01-26 삼성전자주식회사 스위칭 파워 증폭 장치 및 그 제어 방법
JP5376311B2 (ja) * 2009-07-27 2013-12-25 ローム株式会社 半導体装置および電子機器
EP2633621B1 (de) 2010-10-27 2017-08-30 Merus Audio ApS Audioverstärker mit mehrstufiger pulsweitenmodulation
KR101871360B1 (ko) * 2011-03-09 2018-06-26 삼성전자주식회사 오디오 신호 출력 방법 및 그에 따른 오디오 신호 출력 장치
KR20140097874A (ko) * 2013-01-30 2014-08-07 삼성전자주식회사 오디오장치 및 그 제어방법
CN103338028B (zh) * 2013-07-20 2015-11-18 福州大学 三重振荡反馈微弱信号处理电路
CN103888091B (zh) * 2014-03-18 2017-06-06 西北工业大学 用于数字音频d类功放的谐波失真校正方法
US11121620B2 (en) 2016-01-29 2021-09-14 Dolby Laboratories Licensing Corporation Multi-channel cinema amplifier with power-sharing, messaging and multi-phase power supply
JP2017175586A (ja) * 2016-03-25 2017-09-28 ヤマハ株式会社 Ｂｔｌ出力の自励式ｄ級増幅器
CN109217827B (zh) * 2018-08-31 2022-07-01 南京矽力微电子技术有限公司 D类功率放大器及其补偿方法和数字信号处理装置
US11424723B2 (en) 2019-02-04 2022-08-23 Biamp Systems, LLC Power limiter configuration for audio signals
US11128270B1 (en) * 2020-05-21 2021-09-21 Qsc, Llc Class-D amplifier with nested feedback loops
CN112671353B (zh) * 2021-02-09 2024-02-13 张金路 一种应用于大功率范围的低失真d类功放
CN117459004A (zh) * 2022-07-19 2024-01-26 瑞昱半导体股份有限公司 放大器系统
US12597939B2 (en) * 2022-12-20 2026-04-07 Skyworks Solutions, Inc. Current drive mode digital-to-analog converter prefilter for reduced pulse width modulation control drive

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JP2679536B2 (ja) * 1992-07-10 1997-11-19 松下電器産業株式会社 Ｄ級増幅器
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JP2004128750A (ja) * 2002-09-30 2004-04-22 Yamaha Corp Ｐｗｍ増幅器
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JP4561459B2 (ja) * 2004-04-30 2010-10-13 ヤマハ株式会社 Ｄ級増幅器
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JP4312686B2 (ja) * 2004-09-07 2009-08-12 シャープ株式会社 ボリューム制御装置
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WO2007098766A1 (en) * 2006-03-01 2007-09-07 Danmarks Teknishe Universitet Digital self-oscillating modulator

Also Published As

Publication number Publication date
JP5253413B2 (ja) 2013-07-31
WO2008075318A2 (en) 2008-06-26
EP2127071B1 (de) 2011-06-15
JP2010514323A (ja) 2010-04-30
US7839211B2 (en) 2010-11-23
CN101563841B (zh) 2012-06-06
CN101563841A (zh) 2009-10-21
WO2008075318A3 (en) 2008-08-28
KR101354853B1 (ko) 2014-01-22
EP2127071A2 (de) 2009-12-02
KR20090091826A (ko) 2009-08-28
ES2367201T3 (es) 2011-10-31
US20100097139A1 (en) 2010-04-22

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