ATE519275T1 - Hybrider rückkopplungsgeregelter oszillationsmodulator und schaltleistungsverstärkersystem - Google Patents

Hybrider rückkopplungsgeregelter oszillationsmodulator und schaltleistungsverstärkersystem

Info

Publication number
ATE519275T1
ATE519275T1 AT07713091T AT07713091T ATE519275T1 AT E519275 T1 ATE519275 T1 AT E519275T1 AT 07713091 T AT07713091 T AT 07713091T AT 07713091 T AT07713091 T AT 07713091T AT E519275 T1 ATE519275 T1 AT E519275T1
Authority
AT
Austria
Prior art keywords
feedback
path
feedback path
signal
controlled oscillation
Prior art date
Application number
AT07713091T
Other languages
English (en)
Inventor
Karsten Nielsen
Petar Ljusev
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 ATE519275T1 publication Critical patent/ATE519275T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/38—DC amplifiers with modulator at input and demodulator at output; Modulators or demodulators specially adapted for use in such 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
    • 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)
AT07713091T 2006-03-03 2007-03-02 Hybrider rückkopplungsgeregelter oszillationsmodulator und schaltleistungsverstärkersystem ATE519275T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0600494 2006-03-03
PCT/IB2007/000493 WO2007099442A1 (en) 2006-03-03 2007-03-02 Hybrid feedback controlled oscillation modulator and switching power amplifier system

Publications (1)

Publication Number Publication Date
ATE519275T1 true ATE519275T1 (de) 2011-08-15

Family

ID=38311609

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07713091T ATE519275T1 (de) 2006-03-03 2007-03-02 Hybrider rückkopplungsgeregelter oszillationsmodulator und schaltleistungsverstärkersystem

Country Status (8)

Country Link
US (1) US8013678B2 (de)
EP (1) EP1994638B1 (de)
JP (1) JP5313697B2 (de)
KR (1) KR101382840B1 (de)
CN (1) CN101395793B (de)
AT (1) ATE519275T1 (de)
ES (1) ES2370530T3 (de)
WO (1) WO2007099442A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101517891B (zh) 2006-09-28 2011-11-16 帕斯卡尔有限公司 受控功率转换器
JP5115251B2 (ja) * 2008-03-07 2013-01-09 オンキヨー株式会社 ダンピング補正回路及びこれを備えたディジタルアンプ
JP5625437B2 (ja) * 2010-03-30 2014-11-19 セイコーエプソン株式会社 手術機器
US10164581B2 (en) * 2014-12-08 2018-12-25 Icepower A/S Self-oscillating amplifier with high order loop filter
US10778160B2 (en) * 2016-01-29 2020-09-15 Dolby Laboratories Licensing Corporation Class-D dynamic closed loop feedback amplifier
EP3416285B1 (de) * 2017-06-16 2021-06-02 ICEpower a/s Selbstschwingendes verstärkersystem
CN111448754B (zh) 2017-12-07 2024-06-07 普立菲有限公司 放大器电路
JP7438125B2 (ja) 2017-12-07 2024-02-26 ピューリファイ・アーペーエス 少なくとも３次の回路網を有する補償器を有する増幅器
JP7547206B2 (ja) * 2017-12-07 2024-09-09 ピューリファイ・アーペーエス 制御ループ中に少なくとも２次フィルタを有する増幅器
RU2726220C1 (ru) * 2019-02-12 2020-07-10 Акционерное Общество "Концерн "Океанприбор" Способ многоканальной асинхронной широтно-импульсной модуляции и устройство для его реализации

Family Cites Families (18)

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Publication number Priority date Publication date Assignee Title
JPS5639606A (en) * 1979-09-07 1981-04-15 Matsushita Electric Ind Co Ltd Self-excited type d-class amplifier
JPS57170606A (en) 1981-04-10 1982-10-20 Sony Corp Amplifying circuit for pulse-width-modulated signal
JPH03178205A (ja) * 1989-12-07 1991-08-02 Matsushita Electric Ind Co Ltd 移相型ｃｒ発振装置
US5410592A (en) * 1993-06-04 1995-04-25 Harris Corporation Class `D` audio speaker amplifier circuit with state variable feedback control
WO1998019391A2 (en) * 1996-10-31 1998-05-07 Bang & Olufsen A/S Pulse modulation power amplifier with enhanced cascade control method
US6118336A (en) * 1998-10-30 2000-09-12 Intersil Corporation Start-up circuit for self oscillating class D modulator
NL1011002C2 (nl) * 1999-01-12 2000-07-20 Univ Eindhoven Tech Versterkerschakeling.
EP1184973B1 (de) 2000-08-29 2007-06-06 STMicroelectronics S.r.l. Leistungsverstärkervorrichtung
US6362702B1 (en) 2000-09-29 2002-03-26 Bang & Olufsen Powerhouse A/S Controlled self-oscillation modulator and power conversion system using such a modulator
JP3941443B2 (ja) * 2001-09-27 2007-07-04 ヤマハ株式会社 自走式ｐｗｍ増幅器
SE0104401D0 (sv) 2001-12-21 2001-12-21 Bang & Olufsen Powerhouse As Syncronized controlled oscillation modulator
KR100498497B1 (ko) * 2003-05-10 2005-07-01 삼성전자주식회사 이상 상태에서 정상 상태로의 복귀 시에 발생되는 과도응답 현상을 방지하는 ｄ급 파워 증폭기 및 그 방법
JP4313103B2 (ja) * 2003-05-27 2009-08-12 株式会社エヌエフ回路設計ブロック 増幅装置及び電源装置
JP2005123949A (ja) * 2003-10-17 2005-05-12 Yamaha Corp Ｄ級増幅器
JP4731828B2 (ja) * 2004-04-14 2011-07-27 ルネサスエレクトロニクス株式会社 Ｄ級アンプ
JP2005322958A (ja) * 2004-05-06 2005-11-17 Nec Electronics Corp Ｄ級アンプ
JP2005322957A (ja) * 2004-05-06 2005-11-17 Nec Electronics Corp Ｄ級アンプ
DE102005041052B3 (de) * 2005-08-30 2007-03-29 Infineon Technologies Ag Verfahren zur Stabilitätskontrolle einer selbstschwingenden Treiberschaltung und selbstschwingende Treiberschaltung

Also Published As

Publication number Publication date
EP1994638B1 (de) 2011-08-03
CN101395793B (zh) 2012-08-29
US20100277238A1 (en) 2010-11-04
EP1994638A1 (de) 2008-11-26
CN101395793A (zh) 2009-03-25
KR20080108238A (ko) 2008-12-12
ES2370530T3 (es) 2011-12-19
US8013678B2 (en) 2011-09-06
JP5313697B2 (ja) 2013-10-09
KR101382840B1 (ko) 2014-04-08
WO2007099442A9 (en) 2008-09-18
JP2009528746A (ja) 2009-08-06
WO2007099442A1 (en) 2007-09-07

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