FR2349238A1 - Circuit de transmission de messages numeriques a convertisseur analogique-numerique - Google Patents

Circuit de transmission de messages numeriques a convertisseur analogique-numerique

Info

Publication number
FR2349238A1
FR2349238A1 FR7711633A FR7711633A FR2349238A1 FR 2349238 A1 FR2349238 A1 FR 2349238A1 FR 7711633 A FR7711633 A FR 7711633A FR 7711633 A FR7711633 A FR 7711633A FR 2349238 A1 FR2349238 A1 FR 2349238A1
Authority
FR
France
Prior art keywords
cycle
accumulator
encoder
weighting
during
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.)
Granted
Application number
FR7711633A
Other languages
English (en)
Other versions
FR2349238B1 (fr
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.)
AT&T Corp
Original Assignee
Western Electric Co 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
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of FR2349238A1 publication Critical patent/FR2349238A1/fr
Application granted granted Critical
Publication of FR2349238B1 publication Critical patent/FR2349238B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • H04B14/046—Systems or methods for reducing noise or bandwidth
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
FR7711633A 1976-04-23 1977-04-18 Circuit de transmission de messages numeriques a convertisseur analogique-numerique Granted FR2349238A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/679,774 US4032914A (en) 1976-04-23 1976-04-23 Analog to digital converter with noise suppression

Publications (2)

Publication Number Publication Date
FR2349238A1 true FR2349238A1 (fr) 1977-11-18
FR2349238B1 FR2349238B1 (fr) 1982-03-26

Family

ID=24728316

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7711633A Granted FR2349238A1 (fr) 1976-04-23 1977-04-18 Circuit de transmission de messages numeriques a convertisseur analogique-numerique

Country Status (11)

Country Link
US (1) US4032914A (fr)
JP (1) JPS52130226A (fr)
AU (1) AU510152B2 (fr)
BE (1) BE853735A (fr)
CA (1) CA1083260A (fr)
DE (1) DE2718229C2 (fr)
FR (1) FR2349238A1 (fr)
GB (1) GB1527207A (fr)
IT (1) IT1072812B (fr)
NL (1) NL7704369A (fr)
SE (1) SE417046B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1588219A (en) * 1977-02-07 1981-04-15 Post Office Conversion of analogue signals to digital signals
NL180895C (nl) * 1978-11-30 1987-05-04 Philips Nv Analoog-digitaal-omzetter.
US4281318A (en) * 1980-05-30 1981-07-28 Bell Telephone Laboratories, Incorporated Digital-to-digital code converter
US4588979A (en) 1984-10-05 1986-05-13 Dbx, Inc. Analog-to-digital converter
US5173698A (en) * 1986-12-24 1992-12-22 Zdzislaw Gulczynski Flash analog-to-digital converter with integrating input stage
US4755794A (en) * 1987-07-23 1988-07-05 American Telephone And Telegraph Company, At&T Bell Laboratories Digital-to-digital code converter
GB8818703D0 (en) * 1988-08-05 1988-09-07 Gen Electric Co Plc Delta sigma modulator arrangements
US6281822B1 (en) * 1999-05-28 2001-08-28 Dot Wireless, Inc. Pulse density modulator with improved pulse distribution
JP2005167972A (ja) * 2003-11-12 2005-06-23 Denso Corp Ａ／ｄ変換処理装置、その使用方法及び電子制御装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3192371A (en) * 1961-09-14 1965-06-29 United Aircraft Corp Feedback integrating system
US3596267A (en) * 1969-01-28 1971-07-27 Bell Telephone Labor Inc Digital code converter for converting a delta modulation code to a different permutation code
US3716849A (en) * 1970-06-08 1973-02-13 Solarton Electronic Integrating measurements with noise reduction
US3820111A (en) * 1972-11-13 1974-06-25 Bell Telephone Labor Inc Analog-to-digital converter
US3879724A (en) * 1973-11-19 1975-04-22 Vidar Corp Integrating analog to digital converter

Also Published As

Publication number Publication date
NL7704369A (nl) 1977-10-25
CA1083260A (fr) 1980-08-05
AU2442377A (en) 1978-10-26
IT1072812B (it) 1985-04-13
US4032914A (en) 1977-06-28
SE417046B (sv) 1981-02-16
JPS52130226A (en) 1977-11-01
DE2718229A1 (de) 1977-11-10
SE7704529L (sv) 1977-10-23
FR2349238B1 (fr) 1982-03-26
AU510152B2 (en) 1980-06-12
BE853735A (fr) 1977-08-16
DE2718229C2 (de) 1984-10-11
GB1527207A (en) 1978-10-04

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