GB2476409B - Delta sigma modulator analog-to-digital converters with quantizer output prediction and comparator reduction - Google Patents

Delta sigma modulator analog-to-digital converters with quantizer output prediction and comparator reduction

Info

Publication number
GB2476409B
GB2476409B GB1103753.8A GB201103753A GB2476409B GB 2476409 B GB2476409 B GB 2476409B GB 201103753 A GB201103753 A GB 201103753A GB 2476409 B GB2476409 B GB 2476409B
Authority
GB
United Kingdom
Prior art keywords
digital converters
sigma modulator
delta sigma
output prediction
quantizer output
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.)
Active
Application number
GB1103753.8A
Other versions
GB201103753D0 (en
GB2476409A (en
Inventor
John L Melanson
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 Inc
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
Priority claimed from US11/388,397 external-priority patent/US7298305B2/en
Application filed by Cirrus Logic Inc filed Critical Cirrus Logic Inc
Publication of GB201103753D0 publication Critical patent/GB201103753D0/en
Publication of GB2476409A publication Critical patent/GB2476409A/en
Application granted granted Critical
Publication of GB2476409B publication Critical patent/GB2476409B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H03M3/39—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/04—Differential modulation with several bits, e.g. differential pulse code modulation [DPCM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
GB1103753.8A 2006-03-24 2007-03-09 Delta sigma modulator analog-to-digital converters with quantizer output prediction and comparator reduction Active GB2476409B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/388,397 US7298305B2 (en) 2006-03-24 2006-03-24 Delta sigma modulator analog-to-digital converters with quantizer output prediction and comparator reduction
GB0817439A GB2450645B (en) 2006-03-24 2007-03-09 Delta sigma modulator analog-to-digital converters with quantizer output prediction and comparator reduction

Publications (3)

Publication Number Publication Date
GB201103753D0 GB201103753D0 (en) 2011-04-20
GB2476409A GB2476409A (en) 2011-06-22
GB2476409B true GB2476409B (en) 2012-01-11

Family

ID=44072740

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1103753.8A Active GB2476409B (en) 2006-03-24 2007-03-09 Delta sigma modulator analog-to-digital converters with quantizer output prediction and comparator reduction

Country Status (1)

Country Link
GB (1) GB2476409B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110380729B (en) * 2019-09-02 2022-04-22 电子科技大学 Successive approximation analog-to-digital converter quantization method based on prediction and local oversampling

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6346898B1 (en) * 2000-08-07 2002-02-12 Audio Logic, Inc. Multilevel analog to digital data converter having dynamic element matching in a reference data path
US6404372B1 (en) * 2000-08-10 2002-06-11 National Semiconductor Corporation Asynchronous A/D converter with moving window
WO2003100984A1 (en) * 2002-05-29 2003-12-04 Koninklijke Philips Electronics N.V. Sigma delta a/d converter with pseudo flash converter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6346898B1 (en) * 2000-08-07 2002-02-12 Audio Logic, Inc. Multilevel analog to digital data converter having dynamic element matching in a reference data path
US6404372B1 (en) * 2000-08-10 2002-06-11 National Semiconductor Corporation Asynchronous A/D converter with moving window
WO2003100984A1 (en) * 2002-05-29 2003-12-04 Koninklijke Philips Electronics N.V. Sigma delta a/d converter with pseudo flash converter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IEEE J-SSC 40, No.12, pp 2416-2427 (2005), Dorrer and others. *

Also Published As

Publication number Publication date
GB201103753D0 (en) 2011-04-20
GB2476409A (en) 2011-06-22

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