DE60128117D1 - Schaltleistungsverstärkung - Google Patents

Schaltleistungsverstärkung

Info

Publication number
DE60128117D1
DE60128117D1 DE60128117T DE60128117T DE60128117D1 DE 60128117 D1 DE60128117 D1 DE 60128117D1 DE 60128117 T DE60128117 T DE 60128117T DE 60128117 T DE60128117 T DE 60128117T DE 60128117 D1 DE60128117 D1 DE 60128117D1
Authority
DE
Germany
Prior art keywords
switching power
power boost
amplifier
power amplifier
emi
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE60128117T
Other languages
English (en)
Other versions
DE60128117T2 (de
Inventor
Bruno J Putzeys
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE60128117D1 publication Critical patent/DE60128117D1/de
Publication of DE60128117T2 publication Critical patent/DE60128117T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several 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
    • 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
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2178—Class D power amplifiers; Switching amplifiers using more than one switch or switching amplifier in parallel or in series
    • 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
    • H03F2200/114—Indexing scheme relating to amplifiers the amplifier comprising means for electro-magnetic interference [EMI] protection
    • 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
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/537—A transformer being used as coupling element between two amplifying stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
DE60128117T 2000-09-21 2001-09-06 Schaltleistungsverstärkung Expired - Fee Related DE60128117T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP00203269 2000-09-21
EP00203269 2000-09-21
PCT/EP2001/010317 WO2002025809A2 (en) 2000-09-21 2001-09-06 Switching power amplifier

Publications (2)

Publication Number Publication Date
DE60128117D1 true DE60128117D1 (de) 2007-06-06
DE60128117T2 DE60128117T2 (de) 2007-12-27

Family

ID=8172042

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60128117T Expired - Fee Related DE60128117T2 (de) 2000-09-21 2001-09-06 Schaltleistungsverstärkung

Country Status (8)

Country Link
US (1) US6803816B2 (de)
EP (1) EP1323230B1 (de)
JP (1) JP2004509548A (de)
KR (1) KR20020067522A (de)
CN (1) CN1319269C (de)
AT (1) ATE360916T1 (de)
DE (1) DE60128117T2 (de)
WO (1) WO2002025809A2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7116956B2 (en) * 2001-02-16 2006-10-03 Cubic Corporation Power oscillator for control of waveshape and amplitude
US7200187B2 (en) * 2001-07-26 2007-04-03 O'brien Thomas J Modulator for digital amplifier
US6982662B2 (en) * 2003-03-06 2006-01-03 Texas Instruments Incorporated Method and apparatus for efficient conversion of signals using look-up table
US7053700B2 (en) * 2003-06-02 2006-05-30 Nortel Networks Limited High-efficiency amplifier and method
JP4817890B2 (ja) * 2005-03-17 2011-11-16 パナソニック株式会社 増幅装置、ポーラ変調送信装置及び無線通信装置
JP4710870B2 (ja) * 2007-05-10 2011-06-29 ヤマハ株式会社 デジタルアンプ装置およびスピーカ装置
US7629840B2 (en) * 2007-10-22 2009-12-08 Freescale Semiconductor, Inc. Digital pulse width modulated feedback system for a switching amplifier and method therefor
US7847433B2 (en) * 2007-11-27 2010-12-07 Rain Bird Corporation Universal irrigation controller power supply
KR20100008749A (ko) * 2008-07-16 2010-01-26 삼성전자주식회사 스위칭 파워 증폭 장치 및 그 제어 방법
US8174333B1 (en) * 2011-01-04 2012-05-08 Nxp B.V. Power-efficient spectrum shaping for a magnetic link
EP2770634B1 (de) 2013-02-25 2018-09-19 Telefonaktiebolaget LM Ericsson (publ) Verteilte Leistungsverstärkerschaltung
FR3023089B1 (fr) * 2014-06-30 2016-07-22 Devialet Amplificateur audio tres haute fidelite

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4164714A (en) * 1977-09-26 1979-08-14 Harris Corporation Polyphase PDM amplifier
US4614901A (en) * 1985-10-15 1986-09-30 Kennedy Company Servo power amplifier having load equalization
US5099203A (en) * 1990-06-05 1992-03-24 Continental Electronics Corporation Power amplifier having multiple switched stages and method of operating same
GB9027503D0 (en) * 1990-12-19 1991-02-06 Sandler Mark B Improvements in or relating to digital to analogue conversion
FR2692092B1 (fr) * 1992-06-05 1994-07-22 Thomson Csf Dispositif de traitement et de precorrection d'un signal audiofrequence avant son amplification dans une chaine d'amplification d'un emetteur a modulation d'amplitude.
US5339041A (en) * 1993-07-06 1994-08-16 The Boeing Company High efficiency power amplifier
US5617058A (en) * 1995-11-13 1997-04-01 Apogee Technology, Inc. Digital signal processing for linearization of small input signals to a tri-state power switch
US5734565A (en) * 1996-08-16 1998-03-31 American Superconductor Corporation Reducing switching losses in series connected bridge inverters and amplifiers
JPH1141078A (ja) * 1997-07-16 1999-02-12 Wako Giken:Kk 半導体装置並びにｐｗｍインバータのデッドタイム短縮方法及び装置
US5959501A (en) 1998-01-14 1999-09-28 Harris Corporation Class D amplifier with scaled clock and related methods
US6107876A (en) * 1999-04-13 2000-08-22 Ravisent Technologies, Inc. Digital input switching audio power amplifier

Also Published As

Publication number Publication date
WO2002025809A2 (en) 2002-03-28
EP1323230B1 (de) 2007-04-25
WO2002025809A3 (en) 2002-06-06
DE60128117T2 (de) 2007-12-27
CN1561573A (zh) 2005-01-05
CN1319269C (zh) 2007-05-30
US20020053945A1 (en) 2002-05-09
EP1323230A2 (de) 2003-07-02
ATE360916T1 (de) 2007-05-15
KR20020067522A (ko) 2002-08-22
US6803816B2 (en) 2004-10-12
JP2004509548A (ja) 2004-03-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee