FR2887091B1 - Convertisseur numerique-analogique - Google Patents

Convertisseur numerique-analogique

Info

Publication number
FR2887091B1
FR2887091B1 FR0551544A FR0551544A FR2887091B1 FR 2887091 B1 FR2887091 B1 FR 2887091B1 FR 0551544 A FR0551544 A FR 0551544A FR 0551544 A FR0551544 A FR 0551544A FR 2887091 B1 FR2887091 B1 FR 2887091B1
Authority
FR
France
Prior art keywords
digital
analog converter
analog
converter
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
FR0551544A
Other languages
English (en)
Other versions
FR2887091A1 (fr
Inventor
Frederic Poullet
Guillaume Cogniard
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.)
Dolphin Integration SA
Original Assignee
Dolphin Integration 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 Dolphin Integration SA filed Critical Dolphin Integration SA
Priority to FR0551544A priority Critical patent/FR2887091B1/fr
Priority to DE102006024980A priority patent/DE102006024980A1/de
Priority to US11/446,829 priority patent/US7283078B2/en
Priority to JP2006157780A priority patent/JP2006345524A/ja
Priority to CN200610087342.7A priority patent/CN1878000B/zh
Publication of FR2887091A1 publication Critical patent/FR2887091A1/fr
Application granted granted Critical
Publication of FR2887091B1 publication Critical patent/FR2887091B1/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
    • 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
    • H03M3/358—Continuously compensating for, or preventing, undesired influence of physical parameters of non-linear distortion, e.g. instability
    • 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
    • H03M3/506—Details of the final digital/analogue conversion following the digital delta-sigma modulation the final digital/analogue converter being constituted by a pulse width modulator
    • 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
    • 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
    • H03M7/3035—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 provisions for rendering the modulator inherently stable, e.g. by restricting the swing within the loop, by removing part of the zeroes using local feedback loops, by positioning zeroes outside the unit circle causing the modulator to operate in a chaotic regime
    • 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
    • H03M7/3037—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 weighted feedforward summation, i.e. with feedforward paths from more than one filter stage to the quantiser input

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Amplifiers (AREA)
  • Analogue/Digital Conversion (AREA)
FR0551544A 2005-06-08 2005-06-08 Convertisseur numerique-analogique Expired - Fee Related FR2887091B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR0551544A FR2887091B1 (fr) 2005-06-08 2005-06-08 Convertisseur numerique-analogique
DE102006024980A DE102006024980A1 (de) 2005-06-08 2006-05-29 Digital-Analog-Wandler
US11/446,829 US7283078B2 (en) 2005-06-08 2006-06-05 Digital-to-analog converter
JP2006157780A JP2006345524A (ja) 2005-06-08 2006-06-06 変換器及び変換方法
CN200610087342.7A CN1878000B (zh) 2005-06-08 2006-06-08 数模转换器及其转换方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0551544A FR2887091B1 (fr) 2005-06-08 2005-06-08 Convertisseur numerique-analogique

Publications (2)

Publication Number Publication Date
FR2887091A1 FR2887091A1 (fr) 2006-12-15
FR2887091B1 true FR2887091B1 (fr) 2007-08-31

Family

ID=35788119

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0551544A Expired - Fee Related FR2887091B1 (fr) 2005-06-08 2005-06-08 Convertisseur numerique-analogique

Country Status (5)

Country Link
US (1) US7283078B2 (fr)
JP (1) JP2006345524A (fr)
CN (1) CN1878000B (fr)
DE (1) DE102006024980A1 (fr)
FR (1) FR2887091B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2434648A1 (fr) * 2010-09-25 2012-03-28 ATLAS Elektronik GmbH Codeur et décodeur, procédé de codage et procédé de décodage ainsi que système constitué d'un codeur et d'un décodeur
GB201105400D0 (en) * 2011-03-30 2011-05-11 Power Electronic Measurements Ltd Apparatus for current measurement
US8717096B2 (en) * 2012-02-17 2014-05-06 NeoEnergy Microelectronics, Inc. Switching amplifier system and method for suppressing signal distortion thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0890221B1 (fr) * 1996-03-28 2007-07-04 Texas Instruments Denmark A/S Conversion d'un signal mic en un signal muil
US5959501A (en) * 1998-01-14 1999-09-28 Harris Corporation Class D amplifier with scaled clock and related methods
US6473457B1 (en) * 1999-05-07 2002-10-29 Motorola, Inc. Method and apparatus for producing a pulse width modulated signal
DE10155426A1 (de) * 2001-11-12 2003-05-28 Infineon Technologies Ag Digital/Analog-Umsetzer-Schaltung mit einer Vorrichtung zur Kompensation von nichtlinearen Verzerrungen
DE10156744B4 (de) * 2001-11-19 2007-01-25 Infineon Technologies Ag Linearer PCM/PWM-Modulator
US7058464B2 (en) * 2003-07-17 2006-06-06 Ess Technology, Inc. Device and method for signal processing
US6965339B2 (en) * 2004-04-07 2005-11-15 Motorola, Inc. Method and system for analog to digital conversion using digital pulse width modulation (PWM)
US7209067B1 (en) * 2005-12-08 2007-04-24 Cirrus Logic, Inc. Extended dynamic range consecutive edge modulation (CEM) method and apparatus

Also Published As

Publication number Publication date
US20060279355A1 (en) 2006-12-14
US7283078B2 (en) 2007-10-16
FR2887091A1 (fr) 2006-12-15
DE102006024980A1 (de) 2007-01-18
JP2006345524A (ja) 2006-12-21
CN1878000B (zh) 2012-04-18
CN1878000A (zh) 2006-12-13

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