FR2350735A1 - Convertisseur analogique-numerique logarithmique - Google Patents
Convertisseur analogique-numerique logarithmiqueInfo
- Publication number
- FR2350735A1 FR2350735A1 FR7712712A FR7712712A FR2350735A1 FR 2350735 A1 FR2350735 A1 FR 2350735A1 FR 7712712 A FR7712712 A FR 7712712A FR 7712712 A FR7712712 A FR 7712712A FR 2350735 A1 FR2350735 A1 FR 2350735A1
- Authority
- FR
- France
- Prior art keywords
- digital converter
- logarithmic
- analogue
- logarithmic analogue
- 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.)
- Pending
Links
Classifications
-
- 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
- H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit
- H03M1/16—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps
- H03M1/164—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps the steps being performed sequentially in series-connected stages
- H03M1/165—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps the steps being performed sequentially in series-connected stages in which two or more residues with respect to different reference levels in a stage are used as input signals for the next stage, i.e. multi-residue type
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/683,450 US4106010A (en) | 1976-05-05 | 1976-05-05 | Logarithmic analog-to-digital converter |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2350735A1 true FR2350735A1 (fr) | 1977-12-02 |
Family
ID=24744101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7712712A Pending FR2350735A1 (fr) | 1976-05-05 | 1977-04-27 | Convertisseur analogique-numerique logarithmique |
Country Status (4)
Country | Link |
---|---|
US (1) | US4106010A (fr) |
JP (1) | JPS52134358A (fr) |
CA (1) | CA1095173A (fr) |
FR (1) | FR2350735A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2158310A (en) * | 1984-04-30 | 1985-11-06 | Philips Electronic Associated | A receiver for amplitude modulated signals |
US4581602A (en) * | 1984-12-24 | 1986-04-08 | Motorola, Inc. | Wide dynamic range analog to digital converter for AC signals |
TW525353B (en) | 2000-02-14 | 2003-03-21 | Sumitomo Metal Ind | Logarithmic-type A/D converter, logarithmic-type A/D converting method, logarithmic-type D/A converter, logarithmic-type D/A converting method, and physical value measuring system |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2892891A (en) * | 1955-11-02 | 1959-06-30 | Bell Telephone Labor Inc | Voice-operated gain adjusting device |
US3264637A (en) * | 1963-05-31 | 1966-08-02 | Raytheon Co | Logarithmic converters |
US3440550A (en) * | 1966-10-25 | 1969-04-22 | Minnesota Mining & Mfg | Zinc oxide maximum efficiency transverse wave crystals and devices |
DE1918547A1 (de) * | 1969-04-11 | 1970-10-15 | Siemens Ag | Schaltungsanordnung zur digitalen Wechselspannungsmessung |
FR2110758A5 (fr) * | 1970-10-29 | 1972-06-02 | Sercel Rech Const Elect |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2592308A (en) * | 1948-09-01 | 1952-04-08 | Bell Telephone Labor Inc | Nonlinear pulse code modulation system |
AT251319B (de) * | 1965-01-20 | 1966-12-27 | Ibm Oesterreich Internationale | Analog-Digital- bzw. Digital-Analog-Wandler |
BE793746A (fr) * | 1972-01-11 | 1973-07-09 | Sercel Rech Const Elect | Amplificateur d'echantillons de signaux analogiques avec reglage de gain automatique |
US3882484A (en) * | 1972-10-30 | 1975-05-06 | Wescom | Non-linear encoder and decoder |
-
1976
- 1976-05-05 US US05/683,450 patent/US4106010A/en not_active Expired - Lifetime
-
1977
- 1977-04-07 CA CA275,791A patent/CA1095173A/fr not_active Expired
- 1977-04-25 JP JP4692377A patent/JPS52134358A/ja active Pending
- 1977-04-27 FR FR7712712A patent/FR2350735A1/fr active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2892891A (en) * | 1955-11-02 | 1959-06-30 | Bell Telephone Labor Inc | Voice-operated gain adjusting device |
US3264637A (en) * | 1963-05-31 | 1966-08-02 | Raytheon Co | Logarithmic converters |
US3440550A (en) * | 1966-10-25 | 1969-04-22 | Minnesota Mining & Mfg | Zinc oxide maximum efficiency transverse wave crystals and devices |
DE1918547A1 (de) * | 1969-04-11 | 1970-10-15 | Siemens Ag | Schaltungsanordnung zur digitalen Wechselspannungsmessung |
FR2110758A5 (fr) * | 1970-10-29 | 1972-06-02 | Sercel Rech Const Elect |
Non-Patent Citations (1)
Title |
---|
EXBK/68 * |
Also Published As
Publication number | Publication date |
---|---|
US4106010A (en) | 1978-08-08 |
CA1095173A (fr) | 1981-02-03 |
JPS52134358A (en) | 1977-11-10 |
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