GB2388724B - Digtal-to-analogue convertor circuits - Google Patents

Digtal-to-analogue convertor circuits

Info

Publication number
GB2388724B
GB2388724B GB0211238A GB0211238A GB2388724B GB 2388724 B GB2388724 B GB 2388724B GB 0211238 A GB0211238 A GB 0211238A GB 0211238 A GB0211238 A GB 0211238A GB 2388724 B GB2388724 B GB 2388724B
Authority
GB
United Kingdom
Prior art keywords
digtal
analogue convertor
convertor circuits
circuits
analogue
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
GB0211238A
Other versions
GB0211238D0 (en
GB2388724A (en
Inventor
John Laurence Pennock
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.)
Cirrus Logic International UK Ltd
Original Assignee
Wolfson Microelectronics PLC
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 Wolfson Microelectronics PLC filed Critical Wolfson Microelectronics PLC
Priority to GB0211238A priority Critical patent/GB2388724B/en
Publication of GB0211238D0 publication Critical patent/GB0211238D0/en
Publication of GB2388724A publication Critical patent/GB2388724A/en
Application granted granted Critical
Publication of GB2388724B publication Critical patent/GB2388724B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H03M3/322—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M3/368—Continuously compensating for, or preventing, undesired influence of physical parameters of noise other than the quantisation noise already being shaped inherently by delta-sigma modulators
    • 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
    • H03M3/50—Digital/analogue converters using delta-sigma modulation as an intermediate step
    • H03M3/502—Details of the final digital/analogue conversion following the digital delta-sigma modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
GB0211238A 2002-05-16 2002-05-16 Digtal-to-analogue convertor circuits Expired - Fee Related GB2388724B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0211238A GB2388724B (en) 2002-05-16 2002-05-16 Digtal-to-analogue convertor circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0211238A GB2388724B (en) 2002-05-16 2002-05-16 Digtal-to-analogue convertor circuits

Publications (3)

Publication Number Publication Date
GB0211238D0 GB0211238D0 (en) 2002-06-26
GB2388724A GB2388724A (en) 2003-11-19
GB2388724B true GB2388724B (en) 2005-06-22

Family

ID=9936804

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0211238A Expired - Fee Related GB2388724B (en) 2002-05-16 2002-05-16 Digtal-to-analogue convertor circuits

Country Status (1)

Country Link
GB (1) GB2388724B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2408859B (en) 2003-12-05 2007-06-06 Wolfson Ltd Digital-to-analogue converter circuits
US7579908B2 (en) 2007-08-25 2009-08-25 Freescale Semiconductor, Inc. Digital audio amplifiers, electronic systems, and methods

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468654A (en) * 1981-10-02 1984-08-28 Gte Network Systems Incorporated Charge redistribution a-law PCM decoder
US5467089A (en) * 1992-07-13 1995-11-14 Siemens Aktiengesellschaft Capacitor array digital/analog converter with compensation array for stray capacitance

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468654A (en) * 1981-10-02 1984-08-28 Gte Network Systems Incorporated Charge redistribution a-law PCM decoder
US5467089A (en) * 1992-07-13 1995-11-14 Siemens Aktiengesellschaft Capacitor array digital/analog converter with compensation array for stray capacitance

Also Published As

Publication number Publication date
GB0211238D0 (en) 2002-06-26
GB2388724A (en) 2003-11-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140516