DE3773033D1 - Kodierungsvorrichtung. - Google Patents
Kodierungsvorrichtung.Info
- Publication number
- DE3773033D1 DE3773033D1 DE8787200562T DE3773033T DE3773033D1 DE 3773033 D1 DE3773033 D1 DE 3773033D1 DE 8787200562 T DE8787200562 T DE 8787200562T DE 3773033 T DE3773033 T DE 3773033T DE 3773033 D1 DE3773033 D1 DE 3773033D1
- Authority
- DE
- Germany
- Prior art keywords
- encoding device
- encoding
- 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
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
-
- 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
- H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
- H03M3/438—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path
- H03M3/44—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path with provisions for rendering the modulator inherently stable
- H03M3/442—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path with provisions for rendering the modulator inherently stable by restricting the swing within the loop, e.g. gain scaling
- H03M3/444—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path with provisions for rendering the modulator inherently stable by restricting the swing within the loop, e.g. gain scaling using non-linear elements, e.g. limiters
-
- 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
- H03M3/422—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
- H03M3/43—Structural details of delta-sigma modulators, e.g. incremental 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
-
- 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
- H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
-
- 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
- H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
- H03M3/456—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a first order loop filter in the feedforward path
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8600862A NL8600862A (nl) | 1986-04-04 | 1986-04-04 | Kodeerinrichting. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3773033D1 true DE3773033D1 (de) | 1991-10-24 |
Family
ID=19847830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787200562T Expired - Lifetime DE3773033D1 (de) | 1986-04-04 | 1987-03-24 | Kodierungsvorrichtung. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4692737A (de) |
EP (1) | EP0241077B1 (de) |
JP (1) | JPS62239618A (de) |
KR (1) | KR950007465B1 (de) |
CN (1) | CN1006672B (de) |
DE (1) | DE3773033D1 (de) |
NL (1) | NL8600862A (de) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3642168A1 (de) * | 1986-12-10 | 1988-06-16 | Philips Patentverwaltung | Digitale schaltungsanordnung zur verringerung des quantisierungsrauschens |
JP2753126B2 (ja) * | 1990-09-20 | 1998-05-18 | 株式会社東芝 | ディジタル・シグマデルタ変調器 |
NL9100379A (nl) * | 1991-03-01 | 1992-10-01 | Philips Nv | Sigma-deltamodulator. |
US5140325A (en) * | 1991-05-14 | 1992-08-18 | Industrial Technology Research Institute | Sigma-delta analog-to-digital converters based on switched-capacitor differentiators and delays |
US5345233A (en) * | 1992-03-30 | 1994-09-06 | Kabushiki Kaisha Toshiba | Digital Σ-Δ modulator |
EP0632597B1 (de) * | 1993-06-29 | 2002-08-28 | Sony Corporation | Gerät und Verfahren zur Tonsignalübertragung |
US5602874A (en) * | 1994-12-29 | 1997-02-11 | Motorola, Inc. | Method and apparatus for reducing quantization noise |
US6993314B2 (en) | 1998-05-29 | 2006-01-31 | Silicon Laboratories Inc. | Apparatus for generating multiple radio frequencies in communication circuitry and associated methods |
US7228109B2 (en) * | 2001-01-12 | 2007-06-05 | Silicon Laboratories Inc. | DC offset reduction in radio-frequency apparatus and associated methods |
US6970717B2 (en) | 2001-01-12 | 2005-11-29 | Silicon Laboratories Inc. | Digital architecture for radio-frequency apparatus and associated methods |
US7035607B2 (en) * | 1998-05-29 | 2006-04-25 | Silicon Laboratories Inc. | Systems and methods for providing an adjustable reference signal to RF circuitry |
US7024221B2 (en) * | 2001-01-12 | 2006-04-04 | Silicon Laboratories Inc. | Notch filter for DC offset reduction in radio-frequency apparatus and associated methods |
US7092675B2 (en) * | 1998-05-29 | 2006-08-15 | Silicon Laboratories | Apparatus and methods for generating radio frequencies in communication circuitry using multiple control signals |
US7242912B2 (en) | 1998-05-29 | 2007-07-10 | Silicon Laboratories Inc. | Partitioning of radio-frequency apparatus |
US7221921B2 (en) | 1998-05-29 | 2007-05-22 | Silicon Laboratories | Partitioning of radio-frequency apparatus |
US6804497B2 (en) * | 2001-01-12 | 2004-10-12 | Silicon Laboratories, Inc. | Partitioned radio-frequency apparatus and associated methods |
DE19854124C1 (de) * | 1998-11-24 | 2000-08-24 | Bosch Gmbh Robert | Sigma-Delta D/A-Wandler |
US6903617B2 (en) | 2000-05-25 | 2005-06-07 | Silicon Laboratories Inc. | Method and apparatus for synthesizing high-frequency signals for wireless communications |
US7177610B2 (en) * | 2001-01-12 | 2007-02-13 | Silicon Laboratories Inc. | Calibrated low-noise current and voltage references and associated methods |
US7035611B2 (en) * | 2001-01-12 | 2006-04-25 | Silicon Laboratories Inc. | Apparatus and method for front-end circuitry in radio-frequency apparatus |
US7138858B2 (en) | 2001-01-12 | 2006-11-21 | Silicon Laboratories, Inc. | Apparatus and methods for output buffer circuitry with constant output power in radio-frequency circuitry |
US7158574B2 (en) * | 2001-01-12 | 2007-01-02 | Silicon Laboratories Inc. | Digital interface in radio-frequency apparatus and associated methods |
US7031683B2 (en) * | 2001-01-12 | 2006-04-18 | Silicon Laboratories Inc. | Apparatus and methods for calibrating signal-processing circuitry |
US20030232613A1 (en) * | 2001-01-12 | 2003-12-18 | Kerth Donald A. | Quadrature signal generation in radio-frequency apparatus and associated methods |
EP1486079B1 (de) * | 2002-03-15 | 2015-12-30 | Silicon Laboratories Inc. | Hochfrequenzvorrichtung |
GB2408858B (en) * | 2003-12-05 | 2006-11-29 | Wolfson Ltd | Word length reduction circuit |
US6956513B1 (en) * | 2004-10-22 | 2005-10-18 | Broadcom Corporation | Error feedback structure for delta-sigma modulators with improved stability |
US7714675B2 (en) * | 2006-12-05 | 2010-05-11 | Broadcom Corporation | All digital Class-D modulator and its saturation protection techniques |
US8816663B2 (en) * | 2010-02-26 | 2014-08-26 | Telefonaktiebolaget L M Ericsson (Publ) | Feedforward digital control unit for switched mode power supply and method thereof |
CN104106203B (zh) | 2012-02-17 | 2017-09-29 | 瑞典爱立信有限公司 | 开关模式电源的电压前馈补偿和电压反馈补偿 |
CN105379123A (zh) * | 2013-04-09 | 2016-03-02 | 美国思睿逻辑有限公司 | 用于在数字麦克风***中生成数字输出信号的***及方法 |
CN104601142A (zh) * | 2013-10-31 | 2015-05-06 | 横河电机株式会社 | 滤波方法、滤波器和闪变测试*** |
US10116323B2 (en) * | 2016-12-16 | 2018-10-30 | Mediatek Inc. | Analog-to-digital converter |
Family Cites Families (4)
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 |
JPS5120148B1 (de) * | 1971-05-19 | 1976-06-23 | ||
US4035724A (en) * | 1974-05-08 | 1977-07-12 | Universite De Sherbrooke | Digital converter from continuous variable slope delta modulation to pulse code modulation |
US4017849A (en) * | 1975-08-28 | 1977-04-12 | Bell Telephone Laboratories, Incorporated | Apparatus for analog to digital conversion |
-
1986
- 1986-04-04 NL NL8600862A patent/NL8600862A/nl not_active Application Discontinuation
- 1986-10-17 US US06/920,490 patent/US4692737A/en not_active Expired - Fee Related
-
1987
- 1987-03-24 DE DE8787200562T patent/DE3773033D1/de not_active Expired - Lifetime
- 1987-03-24 EP EP87200562A patent/EP0241077B1/de not_active Expired - Lifetime
- 1987-04-01 KR KR1019870003092A patent/KR950007465B1/ko active IP Right Grant
- 1987-04-01 CN CN87102565A patent/CN1006672B/zh not_active Expired
- 1987-04-04 JP JP62082234A patent/JPS62239618A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS62239618A (ja) | 1987-10-20 |
CN1006672B (zh) | 1990-01-31 |
NL8600862A (nl) | 1987-11-02 |
KR870010696A (ko) | 1987-11-30 |
US4692737A (en) | 1987-09-08 |
KR950007465B1 (ko) | 1995-07-11 |
CN87102565A (zh) | 1987-10-14 |
EP0241077B1 (de) | 1991-09-18 |
EP0241077A1 (de) | 1987-10-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL |
|
8339 | Ceased/non-payment of the annual fee |