GB2409118B - A sigma-delta modulator - Google Patents

A sigma-delta modulator

Info

Publication number
GB2409118B
GB2409118B GB0326172A GB0326172A GB2409118B GB 2409118 B GB2409118 B GB 2409118B GB 0326172 A GB0326172 A GB 0326172A GB 0326172 A GB0326172 A GB 0326172A GB 2409118 B GB2409118 B GB 2409118B
Authority
GB
United Kingdom
Prior art keywords
sigma
delta modulator
modulator
delta
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
GB0326172A
Other versions
GB0326172D0 (en
GB2409118A (en
Inventor
Morgan James Colmer
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.)
Global Silicon Ltd
Original Assignee
Global Silicon Ltd
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 Global Silicon Ltd filed Critical Global Silicon Ltd
Priority to GB0326172A priority Critical patent/GB2409118B/en
Publication of GB0326172D0 publication Critical patent/GB0326172D0/en
Publication of GB2409118A publication Critical patent/GB2409118A/en
Application granted granted Critical
Publication of GB2409118B publication Critical patent/GB2409118B/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
    • H03M3/352—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/02—Delta modulation, i.e. one-bit differential modulation
    • 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
    • H03M3/43—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 single 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
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
    • H03M3/456—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a first order loop filter in the feedforward path

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
GB0326172A 2003-11-10 2003-11-10 A sigma-delta modulator Expired - Fee Related GB2409118B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0326172A GB2409118B (en) 2003-11-10 2003-11-10 A sigma-delta modulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0326172A GB2409118B (en) 2003-11-10 2003-11-10 A sigma-delta modulator

Publications (3)

Publication Number Publication Date
GB0326172D0 GB0326172D0 (en) 2003-12-17
GB2409118A GB2409118A (en) 2005-06-15
GB2409118B true GB2409118B (en) 2006-09-13

Family

ID=29726251

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0326172A Expired - Fee Related GB2409118B (en) 2003-11-10 2003-11-10 A sigma-delta modulator

Country Status (1)

Country Link
GB (1) GB2409118B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0611639D0 (en) * 2006-06-12 2006-07-19 Global Silicon Ltd A sigma-delta modulator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5187482A (en) * 1992-03-02 1993-02-16 General Electric Company Delta sigma analog-to-digital converter with increased dynamic range
US20020140591A1 (en) * 1999-08-04 2002-10-03 Peter Laaser Sigma-delta A/D converter
GB2396264A (en) * 2002-08-09 2004-06-16 Sony Corp Digital signal processing device and digital signal processing method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5187482A (en) * 1992-03-02 1993-02-16 General Electric Company Delta sigma analog-to-digital converter with increased dynamic range
US20020140591A1 (en) * 1999-08-04 2002-10-03 Peter Laaser Sigma-delta A/D converter
GB2396264A (en) * 2002-08-09 2004-06-16 Sony Corp Digital signal processing device and digital signal processing method

Also Published As

Publication number Publication date
GB0326172D0 (en) 2003-12-17
GB2409118A (en) 2005-06-15

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20101110