DE69120924T2 - Sigma-Delta Wandler - Google Patents
Sigma-Delta WandlerInfo
- Publication number
- DE69120924T2 DE69120924T2 DE69120924T DE69120924T DE69120924T2 DE 69120924 T2 DE69120924 T2 DE 69120924T2 DE 69120924 T DE69120924 T DE 69120924T DE 69120924 T DE69120924 T DE 69120924T DE 69120924 T2 DE69120924 T2 DE 69120924T2
- Authority
- DE
- Germany
- Prior art keywords
- sigma
- delta converter
- delta
- converter
- 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
- H03M3/00—Conversion of analogue values to or from differential modulation
- H03M3/30—Delta-sigma modulation
- H03M3/322—Continuously compensating for, or preventing, undesired influence of physical parameters
- H03M3/324—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement
- H03M3/346—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement by suppressing active signals at predetermined times, e.g. muting, using non-overlapping clock phases
- H03M3/348—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement by suppressing active signals at predetermined times, e.g. muting, using non-overlapping clock phases using return-to-zero signals
-
- 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
- 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
- H03M3/454—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 distributed feedback, i.e. with feedback paths from the quantiser output to more than one filter stage
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP91480009A EP0495328B1 (de) | 1991-01-15 | 1991-01-15 | Sigma-Delta Wandler |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69120924D1 DE69120924D1 (de) | 1996-08-22 |
DE69120924T2 true DE69120924T2 (de) | 1997-01-30 |
Family
ID=8208696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69120924T Expired - Fee Related DE69120924T2 (de) | 1991-01-15 | 1991-01-15 | Sigma-Delta Wandler |
Country Status (4)
Country | Link |
---|---|
US (1) | US5196853A (de) |
EP (1) | EP0495328B1 (de) |
JP (1) | JPH0779313B2 (de) |
DE (1) | DE69120924T2 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5528239A (en) * | 1992-04-17 | 1996-06-18 | Crystal Semiconductor Corporation | Low noise transmission of output data from a delta-sigma modulator |
US5986733A (en) * | 1993-04-30 | 1999-11-16 | Rockwell International Corporation | Negative optical compensator tilted in respect to liquid crystal cell for liquid crystal display |
EP0661862A1 (de) * | 1993-12-15 | 1995-07-05 | International Business Machines Corporation | Koppeleinrichtung zum Übertragen von Daten zwischen einer DUE bzw. einem Computer und einem öffentlichen Fernsprechwahlnetz, mit einem infrarot-Sender und -Empfänger, sowie einem Sigma-Delta Coder |
US5719572A (en) * | 1994-07-08 | 1998-02-17 | Cirrus Logic, Inc. | Digital signal processor with reduced pattern dependent noise |
US5801652A (en) * | 1994-07-08 | 1998-09-01 | Cirrus Logic, Inc. | Pattern dependent noise reduction in a digital processing circuit utilizing image circuitry |
SE502900C2 (sv) * | 1994-11-01 | 1996-02-19 | Foersvarets Forskningsanstalt | Analog-till-digitalomvandlare och sensoranordning innefattande sådan |
US5504751A (en) * | 1994-11-07 | 1996-04-02 | Motorola Inc. | Method and apparatus for extracting digital information from an asynchronous data stream |
DE4441996A1 (de) * | 1994-11-26 | 1996-05-30 | Toepholm & Westermann | Hörhilfsgerät |
US5974089A (en) * | 1997-07-22 | 1999-10-26 | Tripath Technology, Inc. | Method and apparatus for performance improvement by qualifying pulses in an oversampled noise-shaping signal processor |
WO2000065723A1 (en) * | 1999-04-21 | 2000-11-02 | Koninklijke Philips Electronics N.V. | Sigma-delta analog-to-digital converter |
US6633202B2 (en) | 2001-04-12 | 2003-10-14 | Gennum Corporation | Precision low jitter oscillator circuit |
DE60223869D1 (de) | 2001-04-18 | 2008-01-17 | Gennum Corp | Digitaler Quasi-Mittelwertdetektor |
EP1251715B2 (de) | 2001-04-18 | 2010-12-01 | Sound Design Technologies Ltd. | Mehrkanal Hörgerät mit Übertragungsmöglichkeiten zwischen den Kanälen |
ATE526792T1 (de) | 2001-08-15 | 2011-10-15 | Sound Design Technologies Ltd | Rekonfigurierbare hörhilfevorrichtung mit niedrigem leistungsverbrauch |
CN100442668C (zh) * | 2002-01-30 | 2008-12-10 | Nxp股份有限公司 | 带有σδ模拟-数字转换器的电路 |
EP1418674B1 (de) | 2002-11-06 | 2010-01-20 | Freescale Semiconductor, Inc. | Wandler, Schaltung und Verfahren zur Kompensation von Ungenauigkeiten in eienem Sigma Delta Wandler |
US9300261B2 (en) * | 2006-03-10 | 2016-03-29 | Nvidia Corporation | Method and apparatus for efficient load biasing |
US7548178B2 (en) * | 2006-03-10 | 2009-06-16 | Nvidia Corporation | Method and apparatus for ADC size and performance optimization |
JP5786976B2 (ja) * | 2013-06-11 | 2015-09-30 | オンキヨー株式会社 | 信号変調回路 |
JP5846194B2 (ja) * | 2013-12-26 | 2016-01-20 | オンキヨー株式会社 | 信号変調回路 |
JP5846225B2 (ja) * | 2014-01-22 | 2016-01-20 | オンキヨー株式会社 | 信号変調回路 |
JP6855802B2 (ja) * | 2017-01-16 | 2021-04-07 | カシオ計算機株式会社 | 情報処理装置、方法、及びプログラム、d/a変換装置、電子楽器 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3956700A (en) * | 1975-04-18 | 1976-05-11 | Bell Telephone Laboratories, Incorporated | Two-feedback-path delta modulation system with circuits for reducing pulse width modulation |
GB2111332A (en) * | 1981-12-01 | 1983-06-29 | Standard Telephones Cables Ltd | Analogue-to-digital converter |
FR2533382B1 (fr) * | 1982-09-21 | 1988-01-22 | Senn Patrice | Codeur de type delta-sigma, a double integration et applications de ce codeur a une voie de transmission de type mic et a la mesure de tensions continues |
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. |
JP3012887B2 (ja) * | 1989-03-13 | 2000-02-28 | 日本テキサス・インスツルメンツ株式会社 | 信号変換装置 |
EP0399738A3 (de) * | 1989-05-26 | 1991-05-08 | Gec-Marconi Limited | Analog-/Digitalwandler |
DE68913967T2 (de) * | 1989-07-12 | 1994-09-22 | Ibm | Sigma-Delta-Konverter mit einer Dämpfungsfunktion sowie einer Übertragungsfunktion, die unempfindlich gegenüber Fehlanpassungen der Anstiegs- und Abfallzeiten der Schaltelemente ist. |
-
1991
- 1991-01-15 DE DE69120924T patent/DE69120924T2/de not_active Expired - Fee Related
- 1991-01-15 EP EP91480009A patent/EP0495328B1/de not_active Expired - Lifetime
- 1991-11-25 US US07/797,609 patent/US5196853A/en not_active Expired - Fee Related
-
1992
- 1992-01-08 JP JP4018379A patent/JPH0779313B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0779313B2 (ja) | 1995-08-23 |
US5196853A (en) | 1993-03-23 |
JPH05130051A (ja) | 1993-05-25 |
DE69120924D1 (de) | 1996-08-22 |
EP0495328B1 (de) | 1996-07-17 |
EP0495328A1 (de) | 1992-07-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |