FR2503962B1 - Convertisseur mic pour la loi m ou la loi a - Google Patents

Convertisseur mic pour la loi m ou la loi a

Info

Publication number
FR2503962B1
FR2503962B1 FR8206060A FR8206060A FR2503962B1 FR 2503962 B1 FR2503962 B1 FR 2503962B1 FR 8206060 A FR8206060 A FR 8206060A FR 8206060 A FR8206060 A FR 8206060A FR 2503962 B1 FR2503962 B1 FR 2503962B1
Authority
FR
France
Prior art keywords
law
mic converter
mic
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
Application number
FR8206060A
Other languages
English (en)
Other versions
FR2503962A1 (fr
Inventor
Mirmira Ramarao Dwarakanath
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 FR2503962A1 publication Critical patent/FR2503962A1/fr
Application granted granted Critical
Publication of FR2503962B1 publication Critical patent/FR2503962B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/02—Reversible analogue/digital converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
FR8206060A 1981-04-09 1982-04-07 Convertisseur mic pour la loi m ou la loi a Expired FR2503962B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/252,600 US4404544A (en) 1981-04-09 1981-04-09 μ-Law/A-law PCM CODEC

Publications (2)

Publication Number Publication Date
FR2503962A1 FR2503962A1 (fr) 1982-10-15
FR2503962B1 true FR2503962B1 (fr) 1986-04-04

Family

ID=22956708

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8206060A Expired FR2503962B1 (fr) 1981-04-09 1982-04-07 Convertisseur mic pour la loi m ou la loi a

Country Status (8)

Country Link
US (1) US4404544A (fr)
JP (1) JPS57193121A (fr)
CA (1) CA1197015A (fr)
DE (1) DE3212806A1 (fr)
FR (1) FR2503962B1 (fr)
GB (1) GB2096848B (fr)
NL (1) NL8201522A (fr)
SE (1) SE452229B (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4570121A (en) * 1983-06-16 1986-02-11 At&T Bell Laboratories Video wave codec
US4531113A (en) * 1983-06-27 1985-07-23 Gte Laboratories Incorporated Capacitor array
CA1250051A (fr) * 1983-11-18 1989-02-14 Brooktree Corporation Appareil de conversion de donnees numeriques en donnees analogiques
US4641130A (en) * 1985-03-29 1987-02-03 Rca Corporation Analog-to-digital converter with scaling of input signal
US5021787A (en) * 1987-03-26 1991-06-04 Texas Instruments Incorporated Digital-analog converter for conversion of law A- encoded digital signals into analog signals
JPH01202925A (ja) * 1988-02-09 1989-08-15 Oki Electric Ind Co Ltd アナログ／ディジタル―ディジタル／アナログ共用変換器
US5006854A (en) * 1989-02-13 1991-04-09 Silicon Systems, Inc. Method and apparatus for converting A/D nonlinearities to random noise
US5016012A (en) * 1989-10-04 1991-05-14 At&T Bell Laboratories Technique for compensating switched capacitor circuits having gain-setting resistors
DE69331170T2 (de) * 1992-03-31 2002-06-20 Texas Instruments Inc Mehrmoden-Analog/Digitalwandler und Verfahren
US5274376A (en) * 1992-04-01 1993-12-28 Texas Instruments Incorporated Multi-mode digital to analog converter and method
GB9209498D0 (en) * 1992-05-01 1992-06-17 Univ Waterloo Multi-bit dac with dynamic element matching
DE19513796C1 (de) * 1995-04-11 1996-08-08 Siemens Ag Analog-Digital-Umsetzer
US5883925A (en) * 1995-11-16 1999-03-16 International Business Machines Corporation Pulse code modulation compression mechanism
US6268813B1 (en) * 1997-08-29 2001-07-31 Texas Instruments Incorporated Self-test for charge redistribution analog-to-digital converter
US6215428B1 (en) * 1997-10-14 2001-04-10 Photobit Corporation Differential non-linearity correction scheme
EP0966792A1 (fr) * 1998-01-20 1999-12-29 Microchip Technology Incorporated Circuit d'entrainement pour fonctionnement a basse tension de convertisseur analogique-numerique (a/n) d'un registre d'approximations successives (ras) et procede a cet effet
US6169503B1 (en) 1998-09-23 2001-01-02 Sandisk Corporation Programmable arrays for data conversions between analog and digital
JP3275966B2 (ja) * 1999-12-02 2002-04-22 日本電気株式会社 ディジタル・アナログ変換器
US7388247B1 (en) 2003-05-28 2008-06-17 The United States Of America As Represented By The Secretary Of The Navy High precision microelectromechanical capacitor with programmable voltage source
GB2440769A (en) * 2006-08-11 2008-02-13 Sharp Kk A switched capacitor DAC
GB2440770A (en) * 2006-08-11 2008-02-13 Sharp Kk Switched capacitor DAC

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3594782A (en) * 1969-03-20 1971-07-20 Bell Telephone Labor Inc Digital-to-analog conversion circuits
US3626408A (en) * 1969-12-31 1971-12-07 Bell Telephone Labor Inc Linear charge redistribution pcm coder and decoder
US3651518A (en) * 1970-03-11 1972-03-21 Bell Telephone Labor Inc Redistribution circuit for analog to digital and digital to analog conversion and multilevel pre-equalizers
US3653030A (en) * 1970-04-03 1972-03-28 Bell Telephone Labor Inc Switched divider pcm coders and decoders
US3653035A (en) * 1970-04-24 1972-03-28 Bell Telephone Labor Inc Chord law companding pulse code modulation coders and decoders
US3745555A (en) * 1971-06-01 1973-07-10 Bell Telephone Labor Inc Nonlinear charge redistribution pcm coder
NL7606930A (nl) * 1976-06-25 1977-12-28 Bell Telephone Mfg Signaalomzetter welke gebruik maakt van gewogen capaciteiten.
JPS5493954A (en) * 1978-01-06 1979-07-25 Hitachi Ltd Interpolating pcm decoder

Also Published As

Publication number Publication date
CA1197015A (fr) 1985-11-19
GB2096848B (en) 1985-05-30
US4404544A (en) 1983-09-13
DE3212806A1 (de) 1982-11-25
SE8202086L (sv) 1982-10-10
SE452229B (sv) 1987-11-16
JPS57193121A (en) 1982-11-27
FR2503962A1 (fr) 1982-10-15
GB2096848A (en) 1982-10-20
NL8201522A (nl) 1982-11-01

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Legal Events

Date Code Title Description
ST Notification of lapse