SE0104403D0 - Attenuation control for digital power converters - Google Patents

Attenuation control for digital power converters

Info

Publication number
SE0104403D0
SE0104403D0 SE0104403A SE0104403A SE0104403D0 SE 0104403 D0 SE0104403 D0 SE 0104403D0 SE 0104403 A SE0104403 A SE 0104403A SE 0104403 A SE0104403 A SE 0104403A SE 0104403 D0 SE0104403 D0 SE 0104403D0
Authority
SE
Sweden
Prior art keywords
switching power
digital
attenuation control
signal
modulated
Prior art date
Application number
SE0104403A
Other languages
English (en)
Swedish (sv)
Inventor
Karsten Nielsen
Andersen Kennet Skov
Original Assignee
Bang & Olufsen Powerhouse 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 Powerhouse As filed Critical Bang & Olufsen Powerhouse As
Priority to SE0104403A priority Critical patent/SE0104403D0/xx
Publication of SE0104403D0 publication Critical patent/SE0104403D0/xx
Priority to CNB028258878A priority patent/CN100424994C/zh
Priority to AU2002366885A priority patent/AU2002366885A1/en
Priority to US10/498,565 priority patent/US6963189B2/en
Priority to KR1020047009669A priority patent/KR101006044B1/ko
Priority to AT02805443T priority patent/ATE403266T1/de
Priority to JP2003555666A priority patent/JP4188838B2/ja
Priority to EP02805443A priority patent/EP1456943B8/en
Priority to PCT/IB2002/005254 priority patent/WO2003055059A1/en
Priority to DE60227990T priority patent/DE60227990D1/de

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
    • 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
    • H03F3/2175—Class D power amplifiers; Switching amplifiers using analogue-digital or digital-analogue conversion
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Amplifiers (AREA)
  • Analogue/Digital Conversion (AREA)
  • Amplitude Modulation (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Golf Clubs (AREA)
SE0104403A 2001-12-21 2001-12-21 Attenuation control for digital power converters SE0104403D0 (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE0104403A SE0104403D0 (sv) 2001-12-21 2001-12-21 Attenuation control for digital power converters
CNB028258878A CN100424994C (zh) 2001-12-21 2002-12-05 数字功率转换器的衰减控制系统及方法
AU2002366885A AU2002366885A1 (en) 2001-12-21 2002-12-05 Attenuation control for digital power converters
US10/498,565 US6963189B2 (en) 2001-12-21 2002-12-05 Attenuation control for digital power converters
KR1020047009669A KR101006044B1 (ko) 2001-12-21 2002-12-05 디지털 전력 변환기에 대한 감쇠 제어
AT02805443T ATE403266T1 (de) 2001-12-21 2002-12-05 Dämpfungsregelung für digitale stromwandler
JP2003555666A JP4188838B2 (ja) 2001-12-21 2002-12-05 ディジタル式パワー変換器のための減衰制御
EP02805443A EP1456943B8 (en) 2001-12-21 2002-12-05 Attenuation control for digital power converters
PCT/IB2002/005254 WO2003055059A1 (en) 2001-12-21 2002-12-05 Attenuation control for digital power converters
DE60227990T DE60227990D1 (de) 2001-12-21 2002-12-05 Dämpfungsregelung für digitale stromwandler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0104403A SE0104403D0 (sv) 2001-12-21 2001-12-21 Attenuation control for digital power converters

Publications (1)

Publication Number Publication Date
SE0104403D0 true SE0104403D0 (sv) 2001-12-21

Family

ID=20286499

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0104403A SE0104403D0 (sv) 2001-12-21 2001-12-21 Attenuation control for digital power converters

Country Status (10)

Country Link
US (1) US6963189B2 (xx)
EP (1) EP1456943B8 (xx)
JP (1) JP4188838B2 (xx)
KR (1) KR101006044B1 (xx)
CN (1) CN100424994C (xx)
AT (1) ATE403266T1 (xx)
AU (1) AU2002366885A1 (xx)
DE (1) DE60227990D1 (xx)
SE (1) SE0104403D0 (xx)
WO (1) WO2003055059A1 (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3928728B2 (ja) 2003-09-19 2007-06-13 ソニー株式会社 デジタルアンプ
SE0302681D0 (sv) * 2003-10-09 2003-10-09 Bang & Olufsen Icepower As Method for pulse area modulation
JP2005192067A (ja) * 2003-12-26 2005-07-14 Matsushita Electric Ind Co Ltd オーディオ増幅器
KR100710509B1 (ko) * 2006-04-11 2007-04-25 남상욱 펄스면적변조를 이용한 고효율 선형 전력증폭기 시스템
KR100765792B1 (ko) * 2006-07-28 2007-10-12 삼성전자주식회사 스위칭 파워 앰프에서 에러 보정 방법 및 장치
GB0715254D0 (en) 2007-08-03 2007-09-12 Wolfson Ltd Amplifier circuit
FR2932624B1 (fr) * 2008-06-16 2010-08-20 Univ D Aix Marseille I Amplificateur numerique classe d comprenant un reducteur de bruit.
WO2009153449A2 (fr) * 2008-06-16 2009-12-23 Universite Aix-Marseille I Amplificateur numerique classe d configure pour mettre en forme des non-idealites d'un signal de sortie
US8995691B2 (en) 2008-07-14 2015-03-31 Audera Acoustics Inc. Audio amplifier
KR20100008749A (ko) * 2008-07-16 2010-01-26 삼성전자주식회사 스위칭 파워 증폭 장치 및 그 제어 방법
JP5903638B2 (ja) 2010-06-25 2016-04-13 パナソニックＩｐマネジメント株式会社 増幅装置
EP2575309B1 (en) * 2011-09-22 2014-11-05 Alcatel Lucent A method for pulse width modulation, and a transmitter therefor

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5049841A (en) * 1990-07-11 1991-09-17 General Electric Company Electronically reconfigurable digital pad attenuator using segmented field effect transistors
US5747972A (en) * 1995-01-11 1998-05-05 Microplanet Ltd. Method and apparatus for electronic power control
JPH08307182A (ja) * 1995-04-27 1996-11-22 Sony Corp パワーコントロール回路
US5831418A (en) 1996-12-03 1998-11-03 Fujitsu Ltd. Step-up/down DC-to-DC converter
JP3671111B2 (ja) * 1998-03-02 2005-07-13 パイオニア株式会社 Ｒｄｓデータ復調器
US6127885A (en) * 1998-08-31 2000-10-03 Cello, Limited Class D amplifiers including transition zone modulation
US6377784B2 (en) 1999-02-09 2002-04-23 Tropian, Inc. High-efficiency modulation RF amplifier
DE69919500T2 (de) * 1999-02-11 2005-09-08 Stmicroelectronics S.R.L., Agrate Brianza PWM Leistungsverstärker mit digitalem Eingang
US6137429A (en) * 1999-03-08 2000-10-24 Motorola, Inc. Circuit and method for attenuating noise in a data converter
KR20010105877A (ko) * 2000-05-19 2001-11-29 배길훈 자동차용 브레이크 시스템의 솔레노이드 밸브
JP3576461B2 (ja) * 2000-05-22 2004-10-13 シャープ株式会社 ディジタルスイッチング増幅器

Also Published As

Publication number Publication date
AU2002366885A1 (en) 2003-07-09
CN100424994C (zh) 2008-10-08
US6963189B2 (en) 2005-11-08
WO2003055059A1 (en) 2003-07-03
JP2005513901A (ja) 2005-05-12
KR20040081436A (ko) 2004-09-21
US20050168204A1 (en) 2005-08-04
CN1608343A (zh) 2005-04-20
DE60227990D1 (de) 2008-09-11
EP1456943B1 (en) 2008-07-30
EP1456943A1 (en) 2004-09-15
KR101006044B1 (ko) 2011-01-06
JP4188838B2 (ja) 2008-12-03
EP1456943B8 (en) 2009-01-07
ATE403266T1 (de) 2008-08-15

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