SE426200B - Omvandlare for omvandling av en delta-sigmamodulerad signal till en pulskodmodulerad signal - Google Patents
Omvandlare for omvandling av en delta-sigmamodulerad signal till en pulskodmodulerad signalInfo
- Publication number
- SE426200B SE426200B SE7801301A SE7801301A SE426200B SE 426200 B SE426200 B SE 426200B SE 7801301 A SE7801301 A SE 7801301A SE 7801301 A SE7801301 A SE 7801301A SE 426200 B SE426200 B SE 426200B
- Authority
- SE
- Sweden
- Prior art keywords
- counter
- bit
- output
- modulated signal
- delta
- Prior art date
Links
- 230000000295 complement effect Effects 0.000 claims abstract description 4
- AZFKQCNGMSSWDS-UHFFFAOYSA-N MCPA-thioethyl Chemical compound CCSC(=O)COC1=CC=C(Cl)C=C1C AZFKQCNGMSSWDS-UHFFFAOYSA-N 0.000 abstract 1
- 238000009825 accumulation Methods 0.000 description 5
- 238000007792 addition Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- H03M3/50—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)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5014/77A GB1588219A (en) | 1977-02-07 | 1977-02-07 | Conversion of analogue signals to digital signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7801301L SE7801301L (sv) | 1978-08-08 |
| SE426200B true SE426200B (sv) | 1982-12-13 |
Family
ID=9788126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7801301A SE426200B (sv) | 1977-02-07 | 1978-02-03 | Omvandlare for omvandling av en delta-sigmamodulerad signal till en pulskodmodulerad signal |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4243977A (cs) |
| JP (1) | JPS53121451A (cs) |
| CA (1) | CA1132264A (cs) |
| DE (1) | DE2804915A1 (cs) |
| FR (1) | FR2379943A1 (cs) |
| GB (1) | GB1588219A (cs) |
| NL (1) | NL186837C (cs) |
| SE (1) | SE426200B (cs) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA786108B (en) * | 1977-11-07 | 1979-10-31 | Post Office | Improvements in or relating to the switching of digital signals |
| AU536210B2 (en) * | 1980-06-18 | 1984-04-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Subscriber line audio processing circuit apparatus |
| JPH0430832Y2 (cs) * | 1986-12-19 | 1992-07-24 | ||
| US4884037A (en) * | 1987-07-28 | 1989-11-28 | Yamaha Corporation | FM demodulation circuit |
| JPH07105724B2 (ja) * | 1989-07-14 | 1995-11-13 | ヤマハ株式会社 | ディジタル・アナログ変換回路 |
| GB9711374D0 (en) * | 1997-06-02 | 1997-07-30 | H Vin Mats E | Signal processing |
| JP2003059182A (ja) * | 2001-08-10 | 2003-02-28 | Teac Corp | １ビット形式ディジタル信号の記録方法及び記録装置及び付加装置 |
| US6606044B2 (en) | 2002-01-02 | 2003-08-12 | Motorola, Inc. | Method and apparatus for generating a pulse width modulated signal |
| US6982662B2 (en) * | 2003-03-06 | 2006-01-03 | Texas Instruments Incorporated | Method and apparatus for efficient conversion of signals using look-up table |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3716849A (en) * | 1970-06-08 | 1973-02-13 | Solarton Electronic | Integrating measurements with noise reduction |
| US3707712A (en) * | 1970-06-10 | 1972-12-26 | Univ Sherbrooke | Converter from delta modulation to pulse code modulation |
| JPS513468B1 (cs) * | 1970-10-28 | 1976-02-03 | ||
| US3820111A (en) * | 1972-11-13 | 1974-06-25 | Bell Telephone Labor Inc | Analog-to-digital converter |
| US3815124A (en) * | 1973-01-16 | 1974-06-04 | Westinghouse Electric Corp | Analog to digital converter |
| NL7400764A (nl) * | 1974-01-21 | 1975-07-23 | Philips Nv | Digitale inrichting voor het omzetten van ge- comprimeerde delta gemoduleerde signalen in pcm-signalen. |
| US4035724A (en) * | 1974-05-08 | 1977-07-12 | Universite De Sherbrooke | Digital converter from continuous variable slope delta modulation to pulse code modulation |
| CA1068822A (en) * | 1974-06-24 | 1979-12-25 | Ching-Long Song | Digital to analog converter for a communication system |
| US3949299A (en) * | 1974-11-05 | 1976-04-06 | North Electric Company | Signal coding for telephone communication system |
| US3971891A (en) * | 1975-03-14 | 1976-07-27 | Martin Marietta Corporation | Adaptable time division switch |
| US4032914A (en) * | 1976-04-23 | 1977-06-28 | Bell Telephone Laboratories, Incorporated | Analog to digital converter with noise suppression |
-
1977
- 1977-02-07 GB GB5014/77A patent/GB1588219A/en not_active Expired
-
1978
- 1978-01-31 US US05/873,972 patent/US4243977A/en not_active Expired - Lifetime
- 1978-02-02 NL NLAANVRAGE7801175,A patent/NL186837C/xx not_active IP Right Cessation
- 1978-02-03 SE SE7801301A patent/SE426200B/sv not_active IP Right Cessation
- 1978-02-06 DE DE19782804915 patent/DE2804915A1/de active Granted
- 1978-02-06 CA CA296,341A patent/CA1132264A/en not_active Expired
- 1978-02-06 JP JP1223278A patent/JPS53121451A/ja active Granted
- 1978-02-07 FR FR7803441A patent/FR2379943A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL7801175A (nl) | 1978-08-09 |
| DE2804915C2 (cs) | 1989-06-01 |
| GB1588219A (en) | 1981-04-15 |
| CA1132264A (en) | 1982-09-21 |
| JPS53121451A (en) | 1978-10-23 |
| SE7801301L (sv) | 1978-08-08 |
| FR2379943A1 (fr) | 1978-09-01 |
| FR2379943B1 (cs) | 1983-07-01 |
| NL186837C (nl) | 1991-03-01 |
| JPS6222289B2 (cs) | 1987-05-18 |
| DE2804915A1 (de) | 1978-08-17 |
| US4243977A (en) | 1981-01-06 |
| NL186837B (nl) | 1990-10-01 |
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