DE3679680D1 - Konverter mit ueberabtastung. - Google Patents
Konverter mit ueberabtastung.Info
- Publication number
- DE3679680D1 DE3679680D1 DE8686101353T DE3679680T DE3679680D1 DE 3679680 D1 DE3679680 D1 DE 3679680D1 DE 8686101353 T DE8686101353 T DE 8686101353T DE 3679680 T DE3679680 T DE 3679680T DE 3679680 D1 DE3679680 D1 DE 3679680D1
- Authority
- DE
- Germany
- Prior art keywords
- converter
- over scan
- scan
- over
- 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 - Lifetime
Links
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
- H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
- H03M3/412—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution
- H03M3/414—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type
- H03M3/418—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type all these quantisers being single bit quantisers
-
- 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
- H03M7/3022—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1850685A JPS61177818A (ja) | 1985-02-04 | 1985-02-04 | オ−バ−サンプリング形アナログ・デイジタル変換器 |
JP1850785A JPS61177819A (ja) | 1985-02-04 | 1985-02-04 | オ−バ−サンプリング形デイジタル・アナログ変換器 |
JP1214386A JPS62171321A (ja) | 1986-01-24 | 1986-01-24 | オ−バ−サンプリング形アナログ・デイジタル変換器 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3679680D1 true DE3679680D1 (de) | 1991-07-18 |
Family
ID=27279722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686101353T Expired - Lifetime DE3679680D1 (de) | 1985-02-04 | 1986-02-03 | Konverter mit ueberabtastung. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0190694B1 (de) |
CA (1) | CA1239704A (de) |
DE (1) | DE3679680D1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US4876542A (en) * | 1988-01-25 | 1989-10-24 | Motorola, Inc. | Multiple output oversampling A/D converter with each output containing data and noise |
US4857928A (en) * | 1988-01-28 | 1989-08-15 | Motorola, Inc. | Method and arrangement for a sigma delta converter for bandpass signals |
JPH01204528A (ja) * | 1988-02-10 | 1989-08-17 | Fujitsu Ltd | A/d変換器 |
US4918454A (en) * | 1988-10-13 | 1990-04-17 | Crystal Semiconductor Corporation | Compensated capacitors for switched capacitor input of an analog-to-digital converter |
EP0513241B1 (de) * | 1990-01-31 | 1995-01-25 | Analog Devices, Inc. | Sigma-delta-modulator |
US6469684B1 (en) | 1999-09-13 | 2002-10-22 | Hewlett-Packard Company | Cole sequence inversion circuitry for active matrix device |
US10652056B2 (en) | 2017-11-14 | 2020-05-12 | Cable Television Laboratories, Inc | Systems and methods for delta-sigma digitization |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3624558A (en) * | 1970-01-16 | 1971-11-30 | Bell Telephone Labor Inc | Delta modulation encoder having double integration |
NL8101199A (nl) * | 1981-03-12 | 1982-10-01 | Philips Nv | Systeem voor het kwantiseren van signalen. |
-
1986
- 1986-02-03 EP EP19860101353 patent/EP0190694B1/de not_active Expired - Lifetime
- 1986-02-03 DE DE8686101353T patent/DE3679680D1/de not_active Expired - Lifetime
- 1986-02-04 CA CA000501016A patent/CA1239704A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0190694B1 (de) | 1991-06-12 |
EP0190694A2 (de) | 1986-08-13 |
CA1239704A (en) | 1988-07-26 |
EP0190694A3 (en) | 1988-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |