ATE403266T1 - Dämpfungsregelung für digitale stromwandler - Google Patents

Dämpfungsregelung für digitale stromwandler

Info

Publication number
ATE403266T1
ATE403266T1 AT02805443T AT02805443T ATE403266T1 AT E403266 T1 ATE403266 T1 AT E403266T1 AT 02805443 T AT02805443 T AT 02805443T AT 02805443 T AT02805443 T AT 02805443T AT E403266 T1 ATE403266 T1 AT E403266T1
Authority
AT
Austria
Prior art keywords
switching power
digital
signal
modulated
gain
Prior art date
Application number
AT02805443T
Other languages
English (en)
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
Application granted granted Critical
Publication of ATE403266T1 publication Critical patent/ATE403266T1/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)
  • Control Of Amplification And Gain Control (AREA)
  • Analogue/Digital Conversion (AREA)
  • Amplitude Modulation (AREA)
  • Golf Clubs (AREA)
AT02805443T 2001-12-21 2002-12-05 Dämpfungsregelung für digitale stromwandler ATE403266T1 (de)

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
ATE403266T1 true ATE403266T1 (de) 2008-08-15

Family

ID=20286499

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02805443T ATE403266T1 (de) 2001-12-21 2002-12-05 Dämpfungsregelung für digitale stromwandler

Country Status (10)

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

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
WO2009153450A2 (fr) * 2008-06-16 2009-12-23 Universite Aix-Marseille I Amplificateur numerique classe d comprenant un reducteur de bruit
FR2932624B1 (fr) * 2008-06-16 2010-08-20 Univ D Aix Marseille I Amplificateur numerique classe d comprenant un reducteur de bruit.
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
WO2011161911A1 (ja) 2010-06-25 2011-12-29 パナソニック株式会社 増幅装置
EP2575309B1 (de) * 2011-09-22 2014-11-05 Alcatel Lucent Verfahren zur Pulsweitenmodulation und Sender dafür

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
JP2005513901A (ja) 2005-05-12
US20050168204A1 (en) 2005-08-04
KR20040081436A (ko) 2004-09-21
CN100424994C (zh) 2008-10-08
WO2003055059A1 (en) 2003-07-03
JP4188838B2 (ja) 2008-12-03
AU2002366885A1 (en) 2003-07-09
EP1456943B8 (de) 2009-01-07
SE0104403D0 (sv) 2001-12-21
EP1456943A1 (de) 2004-09-15
US6963189B2 (en) 2005-11-08
DE60227990D1 (de) 2008-09-11
CN1608343A (zh) 2005-04-20
EP1456943B1 (de) 2008-07-30
KR101006044B1 (ko) 2011-01-06

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Legal Events

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