DE2753616C2 - - Google Patents
Info
- Publication number
- DE2753616C2 DE2753616C2 DE2753616A DE2753616A DE2753616C2 DE 2753616 C2 DE2753616 C2 DE 2753616C2 DE 2753616 A DE2753616 A DE 2753616A DE 2753616 A DE2753616 A DE 2753616A DE 2753616 C2 DE2753616 C2 DE 2753616C2
- Authority
- DE
- Germany
- 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
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3004—Digital delta-sigma modulation
- H03M7/3015—Structural details of digital delta-sigma modulators
- H03M7/302—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution
- H03M7/3024—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
- H03M7/3028—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a single bit one
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
- G06F7/68—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using pulse rate multipliers or dividers pulse rate multipliers or dividers per se
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3004—Digital delta-sigma modulation
- H03M7/3015—Structural details of digital delta-sigma modulators
- H03M7/3031—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Computing Systems (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computational Mathematics (AREA)
- Analogue/Digital Conversion (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB50096/76A GB1580447A (en) | 1976-12-01 | 1976-12-01 | Code converters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2753616A1 DE2753616A1 (de) | 1978-06-08 |
| DE2753616C2 true DE2753616C2 (US20100012521A1-20100121-C00001.png) | 1987-01-29 |
Family
ID=10454647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772753616 Granted DE2753616A1 (de) | 1976-12-01 | 1977-12-01 | Verfahren und einrichtung zum umsetzen von impulskodemodulierter information in einen impulsdichtekode |
Country Status (8)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3934215A1 (de) * | 1989-10-13 | 1991-04-18 | Rheydt Kabelwerk Ag | Digital/analogsystem |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2064276B (en) * | 1978-12-05 | 1982-09-08 | Standard Telephones Cables Ltd | Analogue to digital converters |
| US4528551A (en) * | 1979-11-28 | 1985-07-09 | International Telephone And Telegraph Corporation | Digital to analog converter employing sigma-delta modulation for use in telephone systems |
| GB2107949B (en) * | 1981-10-15 | 1985-04-11 | Standard Telephones Cables Ltd | Digital decoder |
| US4542369A (en) * | 1982-08-19 | 1985-09-17 | Victor Company Of Japan, Ltd. | Digital-to-analog converting device |
| FR2543380B1 (fr) * | 1983-03-24 | 1985-07-26 | Labo Cent Telecommunicat | Procede et dispositif de transcodage d'un signal numerique mic et application au codage analogique-numerique d'un signal analogique a large bande |
| USRE34660E (en) * | 1983-07-29 | 1994-07-12 | Burr-Brown Corporation | Apparatus and methods for digital-to-analog conversion using modified LSB switching |
| GB8427325D0 (en) * | 1984-10-29 | 1984-12-05 | Plessey Co Plc | Digital to analogue conversion |
| JPH0697743B2 (ja) * | 1985-04-17 | 1994-11-30 | 株式会社日立製作所 | オ−バサンプル形ｄ／ａ変換器 |
| US4812815A (en) * | 1985-12-25 | 1989-03-14 | Sharp Kabushiki Kaisha | Digital-to-analog converter system |
| US4755794A (en) * | 1987-07-23 | 1988-07-05 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital-to-digital code converter |
| JP2543095B2 (ja) * | 1987-09-14 | 1996-10-16 | 松下電器産業株式会社 | オ―バ―サンプリング型ｄ／ａ変換器 |
| DE3780640T2 (de) * | 1987-10-19 | 1993-03-11 | Ibm | Offset-korrekturschaltung fuer eine sigma-delta-kodierungsvorrichtung. |
| JP2716140B2 (ja) * | 1988-04-04 | 1998-02-18 | 富士通株式会社 | コード変換器及びエンコーダ装置 |
| US4901077A (en) * | 1988-04-18 | 1990-02-13 | Thomson Consumer Electronics, Inc. | Sigma-delta modulator for D-to-A converter |
| US5101204A (en) * | 1990-03-26 | 1992-03-31 | Burr-Brown Corporation | Interpolation DAC and method |
| EP1024348B1 (en) * | 1999-01-28 | 2011-07-27 | Denso Corporation | Low-frequency noise removing method and a related CMOS sensing circuit |
| WO2004098065A1 (en) * | 2003-03-28 | 2004-11-11 | Ess Technology, Inc. | Bi-quad digital filter configured with a bit binary rate multiplier |
| US7456766B2 (en) * | 2006-07-19 | 2008-11-25 | Qualcomm Incorporated | Sigma-delta modulation with offset |
| JP2009534874A (ja) * | 2006-01-11 | 2009-09-24 | クゥアルコム・インコーポレイテッド | オフセットを用いるシグマ−デルタ変調 |
| RU181022U1 (ru) * | 2018-04-12 | 2018-07-03 | Федеральное государственное бюджетное образовательное учреждение высшего образования "МИРЭА - Российский технологический университет" | Многовходовой цифровой сумматор импульсных потоков |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3292173A (en) * | 1963-09-25 | 1966-12-13 | Gen Motors Corp | Digital decoding apparatus |
| US3603773A (en) * | 1969-08-28 | 1971-09-07 | Vernitron Corp | Digital pulse rate generator |
| US3772678A (en) * | 1970-06-10 | 1973-11-13 | Univ Sherbrooke | Converter from pulse code modulation to delta modulation |
| US3668560A (en) * | 1970-07-09 | 1972-06-06 | Research Corp | Pulse-width frequency modulation device |
| US3757261A (en) * | 1972-02-11 | 1973-09-04 | Collins Radio Co | Integration and filtration circuit apparatus |
| US4006475A (en) * | 1973-12-04 | 1977-02-01 | Bell Telephone Laboratories, Incorporated | Digital-to-analog converter with digitally distributed amplitude supplement |
| GB1444216A (en) * | 1975-02-20 | 1976-07-28 | Standard Telephones Cables Ltd | D/a converter for pcm |
| US4079373A (en) * | 1976-08-19 | 1978-03-14 | Rockwell International Corporation | Digital-to-analog conversion apparatus using temperature compensated feedback output amplifier |
| US4086656A (en) * | 1976-10-21 | 1978-04-25 | Rockwell International Corporation | Analog-to-digital integrating apparatus with pulse density conversion prior to accumulation |
-
1976
- 1976-12-01 GB GB50096/76A patent/GB1580447A/en not_active Expired
-
1977
- 1977-11-22 CA CA291,422A patent/CA1113609A/en not_active Expired
- 1977-11-28 US US05/855,784 patent/US4209773A/en not_active Expired - Lifetime
- 1977-11-29 NL NLAANVRAGE7713163,A patent/NL188132C/xx not_active IP Right Cessation
- 1977-11-29 SE SE7713519A patent/SE428256B/xx not_active IP Right Cessation
- 1977-11-29 JP JP52142301A patent/JPS6026330B2/ja not_active Expired
- 1977-11-30 FR FR7736057A patent/FR2373193A1/fr active Granted
- 1977-12-01 DE DE19772753616 patent/DE2753616A1/de active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3934215A1 (de) * | 1989-10-13 | 1991-04-18 | Rheydt Kabelwerk Ag | Digital/analogsystem |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2373193A1 (fr) | 1978-06-30 |
| CA1113609A (en) | 1981-12-01 |
| NL7713163A (nl) | 1978-06-05 |
| SE428256B (sv) | 1983-06-13 |
| US4209773A (en) | 1980-06-24 |
| JPS5368966A (en) | 1978-06-19 |
| SE7713519L (sv) | 1978-06-02 |
| NL188132C (nl) | 1992-04-01 |
| FR2373193B1 (US20100012521A1-20100121-C00001.png) | 1983-01-28 |
| GB1580447A (en) | 1980-12-03 |
| NL188132B (nl) | 1991-11-01 |
| JPS6026330B2 (ja) | 1985-06-22 |
| DE2753616A1 (de) | 1978-06-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: BRITISH TELECOMMUNICATIONS P.L.C., LONDON, GB |
|
| 8328 | Change in the person/name/address of the agent |
Free format text: SPARING, K., DIPL.-ING. ROEHL, W., DIPL.-PHYS. DR.RER.NAT., PAT.-ANWAELTE, 4000 DUESSELDORF |