FR2399762A1 - Convertisseur analogique-numerique reversible de grande precision - Google Patents
Convertisseur analogique-numerique reversible de grande precisionInfo
- Publication number
- FR2399762A1 FR2399762A1 FR7822119A FR7822119A FR2399762A1 FR 2399762 A1 FR2399762 A1 FR 2399762A1 FR 7822119 A FR7822119 A FR 7822119A FR 7822119 A FR7822119 A FR 7822119A FR 2399762 A1 FR2399762 A1 FR 2399762A1
- Authority
- FR
- France
- Prior art keywords
- analog
- digital
- conversion
- digital converter
- test voltage
- 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
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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/34—Analogue value compared with reference values
- H03M1/38—Analogue value compared with reference values sequentially only, e.g. successive approximation type
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
- H03M1/72—Sequential conversion in series-connected stages
Abstract
L'invention concerne la conversion d'une grandeur analogique en une grandeur numérique, et inversement. Un convertisseur analogique-numérique réversible comprend essentiellement un module logique 301, un comparateur 322, et des condensateurs 330-333 qui conservent des tensions analogiques au cours du processus de conversion. Le convertisseur fait la moyenne entre des tensions limites supérieure et inférieure pour former une tension d'essai. Cette tension d'essai remplace l'une des tensions limites, soit en fonction d'une comparaison entre la tension analogique et la tension d'essai (conversion analogique-numérique), soit en fonction d'un signal d'entrée binaire conversion numérique-analogique). Application aux réseaux téléphoniques numériques.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82124177A | 1977-08-02 | 1977-08-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2399762A1 true FR2399762A1 (fr) | 1979-03-02 |
FR2399762B1 FR2399762B1 (fr) | 1983-04-15 |
Family
ID=25232893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7822119A Granted FR2399762A1 (fr) | 1977-08-02 | 1978-07-26 | Convertisseur analogique-numerique reversible de grande precision |
Country Status (12)
Country | Link |
---|---|
US (1) | US4291298A (fr) |
JP (1) | JPS6016135B2 (fr) |
BE (1) | BE869408A (fr) |
CA (1) | CA1134045A (fr) |
DE (1) | DE2856955C2 (fr) |
ES (1) | ES472202A1 (fr) |
FR (1) | FR2399762A1 (fr) |
GB (1) | GB2036480B (fr) |
IT (1) | IT1097561B (fr) |
NL (1) | NL7808066A (fr) |
SE (1) | SE417777B (fr) |
WO (1) | WO1979000080A1 (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5753143A (en) * | 1980-09-16 | 1982-03-30 | Nippon Telegr & Teleph Corp <Ntt> | Analogue-digital converter |
JPS57128127U (fr) * | 1981-02-02 | 1982-08-10 | ||
US4573038A (en) * | 1984-02-23 | 1986-02-25 | At&T Information Systems, Inc. | Linear codec with dual divider |
JPS63194247A (ja) * | 1987-02-06 | 1988-08-11 | Shigeru Ikeda | 多面映像合成機 |
JPS63137337U (fr) * | 1987-03-02 | 1988-09-09 | ||
JP2809541B2 (ja) * | 1992-03-02 | 1998-10-08 | 沖電気工業株式会社 | コーデック |
US5274376A (en) * | 1992-04-01 | 1993-12-28 | Texas Instruments Incorporated | Multi-mode digital to analog converter and method |
US5600275A (en) * | 1994-04-29 | 1997-02-04 | Analog Devices, Inc. | Low-voltage CMOS comparator with offset cancellation |
US5929796A (en) * | 1997-04-29 | 1999-07-27 | National Semiconductor Corporation | Self-calibrating reversible pipeline analog to digital and digital to analog converter |
US7144911B2 (en) | 2002-12-31 | 2006-12-05 | Deciphera Pharmaceuticals Llc | Anti-inflammatory medicaments |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3251052A (en) * | 1963-05-15 | 1966-05-10 | Towson Lab Inc | Reversible analog to digital converter |
DE1924806A1 (de) * | 1969-05-14 | 1970-11-19 | Hartmann & Braun Ag | Elektrischer Analog-Digital-Umsetzer mit einer Schaltimpulse liefernden Steuereinrichtung |
US3626408A (en) * | 1969-12-31 | 1971-12-07 | Bell Telephone Labor Inc | Linear charge redistribution pcm coder and decoder |
US3906488A (en) * | 1974-02-14 | 1975-09-16 | Univ California | Reversible analog/digital (digital/analog) converter |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3216002A (en) * | 1960-11-15 | 1965-11-02 | Hoffman And Eaton | High speed converter |
US3298014A (en) * | 1963-11-01 | 1967-01-10 | Digital Equipment Corp | Analog to digital converter |
US3449741A (en) * | 1965-02-08 | 1969-06-10 | Towson Lab Inc | Reversible analog-digital converter utilizing incremental discharge of series connected charge sharing capacitors |
US3653035A (en) * | 1970-04-24 | 1972-03-28 | Bell Telephone Labor Inc | Chord law companding pulse code modulation coders and decoders |
US3646548A (en) * | 1971-01-15 | 1972-02-29 | Raytheon Co | Nonlinear analog-to-digital converter |
IE38230B1 (en) * | 1972-09-15 | 1978-01-18 | Ind Des Telecommunications Com | Improvements in digital coders |
US4072939A (en) * | 1976-03-01 | 1978-02-07 | International Business Machines Corporation | Analog-to-digital and digital-to-analog converter circuits employing charge redistribution |
-
1978
- 1978-07-19 WO PCT/US1978/000043 patent/WO1979000080A1/fr unknown
- 1978-07-19 GB GB7910699A patent/GB2036480B/en not_active Expired
- 1978-07-19 DE DE2856955T patent/DE2856955C2/de not_active Expired
- 1978-07-26 FR FR7822119A patent/FR2399762A1/fr active Granted
- 1978-07-28 CA CA308,321A patent/CA1134045A/fr not_active Expired
- 1978-07-31 BE BE189617A patent/BE869408A/fr not_active IP Right Cessation
- 1978-07-31 NL NL787808066A patent/NL7808066A/xx not_active Application Discontinuation
- 1978-07-31 ES ES472202A patent/ES472202A1/es not_active Expired
- 1978-08-01 IT IT7826377A patent/IT1097561B/it active
- 1978-08-02 JP JP53093738A patent/JPS6016135B2/ja not_active Expired
-
1979
- 1979-04-02 SE SE7902903A patent/SE417777B/sv not_active IP Right Cessation
- 1979-08-20 US US06/067,780 patent/US4291298A/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3251052A (en) * | 1963-05-15 | 1966-05-10 | Towson Lab Inc | Reversible analog to digital converter |
DE1924806A1 (de) * | 1969-05-14 | 1970-11-19 | Hartmann & Braun Ag | Elektrischer Analog-Digital-Umsetzer mit einer Schaltimpulse liefernden Steuereinrichtung |
US3626408A (en) * | 1969-12-31 | 1971-12-07 | Bell Telephone Labor Inc | Linear charge redistribution pcm coder and decoder |
US3906488A (en) * | 1974-02-14 | 1975-09-16 | Univ California | Reversible analog/digital (digital/analog) converter |
Also Published As
Publication number | Publication date |
---|---|
IT1097561B (it) | 1985-08-31 |
JPS5427763A (en) | 1979-03-02 |
WO1979000080A1 (fr) | 1979-02-22 |
GB2036480B (en) | 1982-06-03 |
GB2036480A (en) | 1980-06-25 |
SE417777B (sv) | 1981-04-06 |
IT7826377A0 (it) | 1978-08-01 |
DE2856955T1 (de) | 1982-01-28 |
ES472202A1 (es) | 1979-02-16 |
US4291298A (en) | 1981-09-22 |
CA1134045A (fr) | 1982-10-19 |
NL7808066A (nl) | 1979-02-06 |
DE2856955C2 (de) | 1986-01-09 |
FR2399762B1 (fr) | 1983-04-15 |
BE869408A (fr) | 1978-11-16 |
JPS6016135B2 (ja) | 1985-04-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |