AU2002348901A1 - Sigma delta a/d converter with firdac converter - Google Patents

Sigma delta a/d converter with firdac converter

Info

Publication number
AU2002348901A1
AU2002348901A1 AU2002348901A AU2002348901A AU2002348901A1 AU 2002348901 A1 AU2002348901 A1 AU 2002348901A1 AU 2002348901 A AU2002348901 A AU 2002348901A AU 2002348901 A AU2002348901 A AU 2002348901A AU 2002348901 A1 AU2002348901 A1 AU 2002348901A1
Authority
AU
Australia
Prior art keywords
converter
firdac
sigma delta
delta
sigma
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.)
Abandoned
Application number
AU2002348901A
Other versions
AU2002348901A8 (en
Inventor
Bas M. Putter
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
Publication of AU2002348901A8 publication Critical patent/AU2002348901A8/en
Publication of AU2002348901A1 publication Critical patent/AU2002348901A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/464—Details of the digital/analogue conversion in the feedback path
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/322—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M3/324—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement
    • H03M3/344—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement by filtering other than the noise-shaping inherent to delta-sigma modulators, e.g. anti-aliasing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M3/422—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M3/424—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a multiple bit one

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AU2002348901A 2001-12-18 2002-11-13 Sigma delta a/d converter with firdac converter Abandoned AU2002348901A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP01204950.8 2001-12-18
EP01204950 2001-12-18
PCT/IB2002/004781 WO2003052939A2 (en) 2001-12-18 2002-11-13 Sigma delta a/d converter with firdac converter

Publications (2)

Publication Number Publication Date
AU2002348901A8 AU2002348901A8 (en) 2003-06-30
AU2002348901A1 true AU2002348901A1 (en) 2003-06-30

Family

ID=8181457

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002348901A Abandoned AU2002348901A1 (en) 2001-12-18 2002-11-13 Sigma delta a/d converter with firdac converter

Country Status (2)

Country Link
AU (1) AU2002348901A1 (en)
WO (1) WO2003052939A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6842129B1 (en) * 2003-10-22 2005-01-11 Northrop Grumman Corporation Delta-sigma analog-to-digital converter
US7414557B2 (en) 2006-12-15 2008-08-19 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for feedback signal generation in sigma-delta analog-to-digital converters
US7852249B2 (en) 2009-02-27 2010-12-14 Freescale Semiconductor, Inc. Sigma-delta modulator with digitally filtered delay compensation
US7880654B2 (en) 2009-02-27 2011-02-01 Freescale Semiconductor, Inc. Continuous-time sigma-delta modulator with multiple feedback paths having independent delays

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02134010A (en) * 1988-11-15 1990-05-23 Sony Corp Signal processor
EP0399738A3 (en) * 1989-05-26 1991-05-08 Gec-Marconi Limited Analogue to digital converter
GB9124591D0 (en) * 1991-11-20 1992-01-08 Marconi Gec Ltd Analogue-to-digital converter
US5323157A (en) * 1993-01-15 1994-06-21 Motorola, Inc. Sigma-delta digital-to-analog converter with reduced noise
US5357252A (en) * 1993-03-22 1994-10-18 Motorola, Inc. Sigma-delta modulator with improved tone rejection and method therefor
US5777512A (en) * 1996-06-20 1998-07-07 Tripath Technology, Inc. Method and apparatus for oversampled, noise-shaping, mixed-signal processing
US6147634A (en) * 1998-12-15 2000-11-14 Sigmatel, Inc. Method and apparatus for digital to analog conversion with reduced noise

Also Published As

Publication number Publication date
WO2003052939A3 (en) 2004-01-22
AU2002348901A8 (en) 2003-06-30
WO2003052939A2 (en) 2003-06-26

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase