FR2911455B1 - Procede de traitement d'un signal numerique au sein d'un modulateur delta-sigma numerique, et modulateur delta-sigma correspondant - Google Patents

Procede de traitement d'un signal numerique au sein d'un modulateur delta-sigma numerique, et modulateur delta-sigma correspondant

Info

Publication number
FR2911455B1
FR2911455B1 FR0752701A FR0752701A FR2911455B1 FR 2911455 B1 FR2911455 B1 FR 2911455B1 FR 0752701 A FR0752701 A FR 0752701A FR 0752701 A FR0752701 A FR 0752701A FR 2911455 B1 FR2911455 B1 FR 2911455B1
Authority
FR
France
Prior art keywords
delta
sigma modulator
digital
processing
digital signal
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
FR0752701A
Other languages
English (en)
Other versions
FR2911455A1 (fr
Inventor
Andrea Cathelin
Antoine Frappe
Andreas Kaiser
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.)
Centre National de la Recherche Scientifique CNRS
STMicroelectronics SA
Original Assignee
Centre National de la Recherche Scientifique CNRS
STMicroelectronics SA
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 Centre National de la Recherche Scientifique CNRS, STMicroelectronics SA filed Critical Centre National de la Recherche Scientifique CNRS
Priority to FR0752701A priority Critical patent/FR2911455B1/fr
Priority to PCT/FR2008/050051 priority patent/WO2008102091A2/fr
Priority to US12/522,011 priority patent/US8594226B2/en
Publication of FR2911455A1 publication Critical patent/FR2911455A1/fr
Application granted granted Critical
Publication of FR2911455B1 publication Critical patent/FR2911455B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3004—Digital delta-sigma modulation
    • H03M7/3015—Structural details of digital delta-sigma modulators
    • H03M7/3031—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path
    • H03M7/3033—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator having a higher order loop filter in the feedforward path, e.g. with distributed feedforward inputs
    • H03M7/304—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator having a higher order loop filter in the feedforward path, e.g. with distributed feedforward inputs with distributed feedback, i.e. with feedback paths from the quantiser output to more than one filter stage
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3004—Digital delta-sigma modulation
    • H03M7/3015—Structural details of digital delta-sigma modulators
    • H03M7/302—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M7/3024—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M7/3026—Structural details of digital 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)
FR0752701A 2007-01-16 2007-01-16 Procede de traitement d'un signal numerique au sein d'un modulateur delta-sigma numerique, et modulateur delta-sigma correspondant Expired - Fee Related FR2911455B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR0752701A FR2911455B1 (fr) 2007-01-16 2007-01-16 Procede de traitement d'un signal numerique au sein d'un modulateur delta-sigma numerique, et modulateur delta-sigma correspondant
PCT/FR2008/050051 WO2008102091A2 (fr) 2007-01-16 2008-01-10 Procede de traitement d'un signal numerique au sein d'un modulateur delta-sigma numerique, et modulateur delta-sigma numerique correspondant.
US12/522,011 US8594226B2 (en) 2007-01-16 2008-01-10 Method for processing a digital signal in a digital delta-sigma modulator, and digital delta-sigma modulator therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0752701A FR2911455B1 (fr) 2007-01-16 2007-01-16 Procede de traitement d'un signal numerique au sein d'un modulateur delta-sigma numerique, et modulateur delta-sigma correspondant

Publications (2)

Publication Number Publication Date
FR2911455A1 FR2911455A1 (fr) 2008-07-18
FR2911455B1 true FR2911455B1 (fr) 2009-04-17

Family

ID=38308655

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0752701A Expired - Fee Related FR2911455B1 (fr) 2007-01-16 2007-01-16 Procede de traitement d'un signal numerique au sein d'un modulateur delta-sigma numerique, et modulateur delta-sigma correspondant

Country Status (3)

Country Link
US (1) US8594226B2 (fr)
FR (1) FR2911455B1 (fr)
WO (1) WO2008102091A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2926422B1 (fr) * 2008-01-15 2013-08-16 Commissariat Energie Atomique Systeme d'emission radiofrequence
FR2926421B1 (fr) * 2008-01-15 2009-12-18 Commissariat Energie Atomique Systeme d'emission radiofrequence
US8816724B2 (en) 2011-12-16 2014-08-26 University College Cork—National University of Ireland, Cork Nested digital delta-sigma modulator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5867537A (en) * 1992-10-27 1999-02-02 Ericsson Inc. Balanced tranversal I,Q filters for quadrature modulators
US6518899B2 (en) * 2001-06-13 2003-02-11 Texas Instruments Incorporated Method and apparatus for spectral shaping of non-linearity in data converters
US7903010B1 (en) * 2009-08-31 2011-03-08 Cirrus Logic, Inc. Delta-sigma analog-to-digital converter (ADC) having a serialized quantizer output

Also Published As

Publication number Publication date
US20100142641A1 (en) 2010-06-10
WO2008102091A2 (fr) 2008-08-28
WO2008102091A3 (fr) 2008-10-09
FR2911455A1 (fr) 2008-07-18
US8594226B2 (en) 2013-11-26

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20140930