DE69122179D1 - A/S-Signalwandler mit mehrfachem Sigma-Delta-Modulator - Google Patents
A/S-Signalwandler mit mehrfachem Sigma-Delta-ModulatorInfo
- Publication number
- DE69122179D1 DE69122179D1 DE69122179T DE69122179T DE69122179D1 DE 69122179 D1 DE69122179 D1 DE 69122179D1 DE 69122179 T DE69122179 T DE 69122179T DE 69122179 T DE69122179 T DE 69122179T DE 69122179 D1 DE69122179 D1 DE 69122179D1
- Authority
- DE
- Germany
- Prior art keywords
- signal converter
- delta modulator
- multiple sigma
- sigma
- modulator
- 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 - Fee Related
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9001440A NL9001440A (nl) | 1990-06-22 | 1990-06-22 | Analoog/digitaal signaal-omvormer met meervoudige sigma-delta modulator. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69122179D1 true DE69122179D1 (de) | 1996-10-24 |
DE69122179T2 DE69122179T2 (de) | 1997-03-27 |
Family
ID=19857305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69122179T Expired - Fee Related DE69122179T2 (de) | 1990-06-22 | 1991-06-18 | A/S-Signalwandler mit mehrfachem Sigma-Delta-Modulator |
Country Status (6)
Country | Link |
---|---|
US (1) | US5124705A (de) |
EP (1) | EP0463686B1 (de) |
JP (1) | JP3138011B2 (de) |
KR (1) | KR0185999B1 (de) |
DE (1) | DE69122179T2 (de) |
NL (1) | NL9001440A (de) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9109637D0 (en) * | 1991-05-03 | 1991-06-26 | Marconi Gec Ltd | Analogue-to-digital and digital-to-analogue converters |
US5367540A (en) * | 1992-01-16 | 1994-11-22 | Fujitsu Limited | Transversal filter for use in a digital subscriber line transmission interface |
JP2822757B2 (ja) * | 1992-03-13 | 1998-11-11 | 松下電器産業株式会社 | A/d変換装置 |
US5442353A (en) * | 1993-10-25 | 1995-08-15 | Motorola, Inc. | Bandpass sigma-delta analog-to-digital converter (ADC), method therefor, and receiver using same |
US5757867A (en) * | 1995-03-30 | 1998-05-26 | The United States Of America As Represented By The Secretary Of The Navy | Digital mixing to baseband decimation filter |
US5838272A (en) * | 1997-04-17 | 1998-11-17 | President And Fellows Of Harvard College | Error correcting sigma-delta modulation decoding |
US5982313A (en) * | 1997-06-06 | 1999-11-09 | Analog Devices, Inc. | High speed sigma-delta analog-to-digital converter system |
US7035607B2 (en) * | 1998-05-29 | 2006-04-25 | Silicon Laboratories Inc. | Systems and methods for providing an adjustable reference signal to RF circuitry |
US7242912B2 (en) * | 1998-05-29 | 2007-07-10 | Silicon Laboratories Inc. | Partitioning of radio-frequency apparatus |
US7228109B2 (en) * | 2001-01-12 | 2007-06-05 | Silicon Laboratories Inc. | DC offset reduction in radio-frequency apparatus and associated methods |
US6804497B2 (en) | 2001-01-12 | 2004-10-12 | Silicon Laboratories, Inc. | Partitioned radio-frequency apparatus and associated methods |
US6993314B2 (en) | 1998-05-29 | 2006-01-31 | Silicon Laboratories Inc. | Apparatus for generating multiple radio frequencies in communication circuitry and associated methods |
US7221921B2 (en) * | 1998-05-29 | 2007-05-22 | Silicon Laboratories | Partitioning of radio-frequency apparatus |
US6970717B2 (en) | 2001-01-12 | 2005-11-29 | Silicon Laboratories Inc. | Digital architecture for 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 |
US7024221B2 (en) * | 2001-01-12 | 2006-04-04 | Silicon Laboratories Inc. | Notch filter for DC offset reduction in radio-frequency apparatus and associated methods |
JP4075167B2 (ja) * | 1998-10-09 | 2008-04-16 | ソニー株式会社 | ディジタル信号再生装置及び処理装置 |
FR2809247A1 (fr) * | 2000-05-16 | 2001-11-23 | France Telecom | Convertisseur analogique-numerique pipeline avec mise en forme de bruit |
US6903617B2 (en) | 2000-05-25 | 2005-06-07 | Silicon Laboratories Inc. | Method and apparatus for synthesizing high-frequency signals for wireless communications |
US7158574B2 (en) * | 2001-01-12 | 2007-01-02 | Silicon Laboratories Inc. | Digital interface in radio-frequency apparatus and associated methods |
US7177610B2 (en) * | 2001-01-12 | 2007-02-13 | Silicon Laboratories Inc. | Calibrated low-noise current and voltage references and associated methods |
US7031683B2 (en) * | 2001-01-12 | 2006-04-18 | Silicon Laboratories Inc. | Apparatus and methods for calibrating signal-processing circuitry |
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 |
US7035611B2 (en) * | 2001-01-12 | 2006-04-25 | Silicon Laboratories Inc. | Apparatus and method for front-end circuitry in radio-frequency apparatus |
US20030232613A1 (en) * | 2001-01-12 | 2003-12-18 | Kerth Donald A. | Quadrature signal generation in radio-frequency apparatus and associated methods |
ES2186536B1 (es) * | 2001-05-07 | 2004-02-01 | Univ Sevilla | Modulador sigma-delta en cascada multifrecuencia. |
AU2003220281A1 (en) * | 2002-03-15 | 2003-09-29 | Silicon Laboratories Inc. | Radio-frequency apparatus and associated methods |
US7248649B2 (en) * | 2003-06-25 | 2007-07-24 | Interdigital Technology Corporation | Digital baseband receiver including a time domain compensation module for suppressing group delay variation distortion incurred due to analog low pass filter deficiencies |
US8462030B2 (en) * | 2004-04-27 | 2013-06-11 | Texas Instruments Incorporated | Programmable loop filter for use with a sigma delta analog-to-digital converter and method of programming the same |
EP1854217A1 (de) * | 2005-02-15 | 2007-11-14 | Koninklijke Philips Electronics N.V. | Wandleranordnung |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8101199A (nl) * | 1981-03-12 | 1982-10-01 | Philips Nv | Systeem voor het kwantiseren van signalen. |
US4876542A (en) * | 1988-01-25 | 1989-10-24 | Motorola, Inc. | Multiple output oversampling A/D converter with each output containing data and noise |
US4862169A (en) * | 1988-03-25 | 1989-08-29 | Motorola, Inc. | Oversampled A/D converter using filtered, cascaded noise shaping modulators |
US4876543A (en) * | 1988-05-31 | 1989-10-24 | Motorola, Inc. | Multi-rate cascaded noise shaping modulator |
FI80548C (fi) * | 1988-11-09 | 1990-06-11 | Nokia Oy Ab | Foerfarande foer kaskadkoppling av tvao eller flera sigma-deltamodulatorer samt ett sigma-delta-modulatorsystem. |
-
1990
- 1990-06-22 NL NL9001440A patent/NL9001440A/nl not_active Application Discontinuation
-
1991
- 1991-06-10 US US07/713,180 patent/US5124705A/en not_active Expired - Lifetime
- 1991-06-18 DE DE69122179T patent/DE69122179T2/de not_active Expired - Fee Related
- 1991-06-18 EP EP91201530A patent/EP0463686B1/de not_active Expired - Lifetime
- 1991-06-19 KR KR1019910010127A patent/KR0185999B1/ko not_active IP Right Cessation
- 1991-06-21 JP JP03177618A patent/JP3138011B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR920001862A (ko) | 1992-01-30 |
EP0463686A1 (de) | 1992-01-02 |
EP0463686B1 (de) | 1996-09-18 |
KR0185999B1 (ko) | 1999-04-15 |
JPH04261225A (ja) | 1992-09-17 |
JP3138011B2 (ja) | 2001-02-26 |
DE69122179T2 (de) | 1997-03-27 |
NL9001440A (nl) | 1992-01-16 |
US5124705A (en) | 1992-06-23 |
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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: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N |
|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |