DK1579570T3 - Delta-sigmaforstærkere med kompensation for udgangstrinforsyningsspændingsvariation og fremgangsmåder og digitale forstærkersystemer, der anvender samme - Google Patents

Delta-sigmaforstærkere med kompensation for udgangstrinforsyningsspændingsvariation og fremgangsmåder og digitale forstærkersystemer, der anvender samme

Info

Publication number
DK1579570T3
DK1579570T3 DK03814698T DK03814698T DK1579570T3 DK 1579570 T3 DK1579570 T3 DK 1579570T3 DK 03814698 T DK03814698 T DK 03814698T DK 03814698 T DK03814698 T DK 03814698T DK 1579570 T3 DK1579570 T3 DK 1579570T3
Authority
DK
Denmark
Prior art keywords
output stage
compensation
voltages
methods
same
Prior art date
Application number
DK03814698T
Other languages
English (en)
Inventor
Jack Andersen
John Laurence Melanson
Original Assignee
Cirrus Logic Inc
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 Cirrus Logic Inc filed Critical Cirrus Logic Inc
Application granted granted Critical
Publication of DK1579570T3 publication Critical patent/DK1579570T3/da

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
    • H03F3/2175—Class D power amplifiers; Switching amplifiers using analogue-digital or digital-analogue conversion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/331—Sigma delta modulation being used in an amplifying circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DK03814698T 2002-12-26 2003-12-10 Delta-sigmaforstærkere med kompensation for udgangstrinforsyningsspændingsvariation og fremgangsmåder og digitale forstærkersystemer, der anvender samme DK1579570T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/329,852 US6741123B1 (en) 2002-12-26 2002-12-26 Delta-sigma amplifiers with output stage supply voltage variation compensation and methods and digital amplifier systems using the same

Publications (1)

Publication Number Publication Date
DK1579570T3 true DK1579570T3 (da) 2006-10-30

Family

ID=32312330

Family Applications (1)

Application Number Title Priority Date Filing Date
DK03814698T DK1579570T3 (da) 2002-12-26 2003-12-10 Delta-sigmaforstærkere med kompensation for udgangstrinforsyningsspændingsvariation og fremgangsmåder og digitale forstærkersystemer, der anvender samme

Country Status (8)

Country Link
US (2) US6741123B1 (da)
EP (1) EP1579570B1 (da)
JP (1) JP4157098B2 (da)
AT (1) ATE332588T1 (da)
AU (1) AU2003296449A1 (da)
DE (1) DE60306685T2 (da)
DK (1) DK1579570T3 (da)
WO (1) WO2004062089A2 (da)

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US7804697B2 (en) * 2007-12-11 2010-09-28 Cirrus Logic, Inc. History-independent noise-immune modulated transformer-coupled gate control signaling method and apparatus
US8576589B2 (en) * 2008-01-30 2013-11-05 Cirrus Logic, Inc. Switch state controller with a sense current generated operating voltage
US7755525B2 (en) * 2008-01-30 2010-07-13 Cirrus Logic, Inc. Delta sigma modulator with unavailable output values
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Also Published As

Publication number Publication date
ATE332588T1 (de) 2006-07-15
US6943620B2 (en) 2005-09-13
EP1579570B1 (en) 2006-07-05
DE60306685T2 (de) 2007-06-28
AU2003296449A8 (en) 2004-07-29
WO2004062089A3 (en) 2004-09-23
US6741123B1 (en) 2004-05-25
DE60306685D1 (de) 2006-08-17
AU2003296449A1 (en) 2004-07-29
JP4157098B2 (ja) 2008-09-24
EP1579570A4 (en) 2006-01-11
JP2006512851A (ja) 2006-04-13
EP1579570A2 (en) 2005-09-28
US20040228416A1 (en) 2004-11-18
WO2004062089A2 (en) 2004-07-22

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