DE58906837D1 - Integrierbarer Sigma-Delta-Modulator in Switched-Capacitor-Technik. - Google Patents
Integrierbarer Sigma-Delta-Modulator in Switched-Capacitor-Technik.Info
- Publication number
- DE58906837D1 DE58906837D1 DE89108255T DE58906837T DE58906837D1 DE 58906837 D1 DE58906837 D1 DE 58906837D1 DE 89108255 T DE89108255 T DE 89108255T DE 58906837 T DE58906837 T DE 58906837T DE 58906837 D1 DE58906837 D1 DE 58906837D1
- Authority
- DE
- Germany
- Prior art keywords
- integrable
- sigma
- switched capacitor
- delta modulator
- capacitor technology
- 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
- H03M3/322—Continuously compensating for, or preventing, undesired influence of physical parameters
-
- 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 |
---|---|---|---|
EP89108255A EP0396786B1 (de) | 1989-05-08 | 1989-05-08 | Integrierbarer Sigma-Delta-Modulator in Switched-Capacitor-Technik |
Publications (1)
Publication Number | Publication Date |
---|---|
DE58906837D1 true DE58906837D1 (de) | 1994-03-10 |
Family
ID=8201327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE89108255T Expired - Lifetime DE58906837D1 (de) | 1989-05-08 | 1989-05-08 | Integrierbarer Sigma-Delta-Modulator in Switched-Capacitor-Technik. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4999634A (de) |
EP (1) | EP0396786B1 (de) |
DE (1) | DE58906837D1 (de) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE58906716D1 (de) * | 1989-05-08 | 1994-02-24 | Siemens Ag | Integrierbarer Sigma-Delta-Modulator in Switched-Capacitor-Technik. |
US5477481A (en) * | 1991-02-15 | 1995-12-19 | Crystal Semiconductor Corporation | Switched-capacitor integrator with chopper stabilization performed at the sampling rate |
US5229772A (en) * | 1992-02-03 | 1993-07-20 | Integrated Semiconductor Solutions | Ratiometric ADC with pulse width modulated output for wide temperature range applications |
US5229771A (en) * | 1992-03-16 | 1993-07-20 | Integrated Semiconductor Solutions | Analog to digital converter for converting multiple analog input signals to corresponding digital output signals during one conversion cycle |
US5376892A (en) * | 1993-07-26 | 1994-12-27 | Texas Instruments Incorporated | Sigma delta saturation detector and soft resetting circuit |
DE4328973C1 (de) * | 1993-08-27 | 1994-08-25 | Siemens Ag | Schalter-Kondensator-Netzwerk |
DE4328974C1 (de) * | 1993-08-27 | 1994-08-25 | Siemens Ag | Schalter-Kondensator-Netzwerk |
US5574452A (en) * | 1994-02-15 | 1996-11-12 | Rockwell International Corporation | Single bit bandpass analog-to-digital converter |
DE69423748T2 (de) * | 1994-06-24 | 2000-07-20 | St Microelectronics Srl | Schaltung mit getakteten Kapazitäten mit niedriger Versorgungsspannung unter Verwendung von getakteten Operationsverstärkern mit optimiertem Spannungshub |
JP3143567B2 (ja) * | 1994-10-28 | 2001-03-07 | シャープ株式会社 | デルタシグマ変調器 |
JPH0946230A (ja) * | 1995-07-27 | 1997-02-14 | Yamaha Corp | D/aコンバータ |
US5841310A (en) * | 1997-04-08 | 1998-11-24 | Burr-Brown Corporation | Current-to-voltage integrator for analog-to-digital converter, and method |
US6675233B1 (en) * | 1998-03-26 | 2004-01-06 | O2 Micro International Limited | Audio controller for portable electronic devices |
US6895448B2 (en) * | 1998-03-26 | 2005-05-17 | O2 Micro, Inc. | Low-power audio CD player for portable computers |
US6954804B2 (en) * | 1998-03-26 | 2005-10-11 | Micro, Inc. | Controller for portable electronic devices |
TW427053B (en) | 1999-03-10 | 2001-03-21 | Nat Science Council | Low voltage switched capacitor integrator having offset voltage compensation and the filter using the same |
US6566933B1 (en) * | 1999-07-23 | 2003-05-20 | Pmc-Sierra, Inc. | Switched capacitor transmitter pre-driver |
EP1102405B1 (de) * | 1999-11-19 | 2003-08-20 | AMI Semiconductor Belgium BVBA | Wandlerschnittstellenanordnung mit einem Sigma-Delta-Modulator mit Nullpunktabgleich und Verstärkungseinstellung |
US7130930B1 (en) * | 2000-06-16 | 2006-10-31 | O2 Micro Inc. | Low power CD-ROM player with CD-ROM subsystem for portable computer capable of playing audio CDs without supply energy to CPU |
US7522964B2 (en) | 2000-12-01 | 2009-04-21 | O2Micro International Limited | Low power digital audio decoding/playing system for computing devices |
US7818443B2 (en) * | 2000-12-01 | 2010-10-19 | O2Micro International Ltd. | Low power digital audio decoding/playing system for computing devices |
US7526349B2 (en) * | 2000-12-01 | 2009-04-28 | O2Micro International Limited | Low power digital audio decoding/playing system for computing devices |
US7890741B2 (en) * | 2000-12-01 | 2011-02-15 | O2Micro International Limited | Low power digital audio decoding/playing system for computing devices |
US7522965B2 (en) | 2000-12-01 | 2009-04-21 | O2Micro International Limited | Low power digital audio decoding/playing system for computing devices |
US7522966B2 (en) * | 2000-12-01 | 2009-04-21 | O2Micro International Limited | Low power digital audio decoding/playing system for computing devices |
US6744394B2 (en) | 2002-05-10 | 2004-06-01 | 02Micro International Limited | High precision analog to digital converter |
US6696999B2 (en) * | 2002-07-16 | 2004-02-24 | Raytheon Company | Sigma delta modulator |
US6924667B2 (en) * | 2002-07-19 | 2005-08-02 | O2Micro International Limited | Level shifting and level-shifting amplifier circuits |
KR100576373B1 (ko) | 2004-03-08 | 2006-05-03 | 학교법인 한양학원 | 디지털 모듈레이션 기법을 이용한 디지털 dc-dc 컨버터 |
KR20100052110A (ko) * | 2008-11-10 | 2010-05-19 | 삼성전자주식회사 | 액티브 필터 및 이를 포함하는 델타-시그마 변조기 |
US8854107B2 (en) * | 2010-05-04 | 2014-10-07 | Zinitix Co., Ltd. | Integrator circuit with inverting integrator and non-inverting integrator |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE215904C (de) * | ||||
US3251052A (en) * | 1963-05-15 | 1966-05-10 | Towson Lab Inc | Reversible analog to digital converter |
US3462754A (en) * | 1966-01-10 | 1969-08-19 | Ite Imperial Corp | Performance monitor for rectifier cells |
US3585634A (en) * | 1968-07-31 | 1971-06-15 | Tyco Instr Division Inc | Cyclically operating analog to digital converter |
FR2178742B1 (de) * | 1972-04-05 | 1975-10-24 | Ferodo Sa | |
US3906488A (en) * | 1974-02-14 | 1975-09-16 | Univ California | Reversible analog/digital (digital/analog) converter |
US4439756A (en) * | 1982-01-20 | 1984-03-27 | International Telephone And Telegraph Corporation | Delta-Sigma modulator with switch capacitor implementation |
JPS58157223A (ja) * | 1982-03-13 | 1983-09-19 | Toshiba Corp | A−d変換回路 |
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 |
JPS6031315A (ja) * | 1983-07-29 | 1985-02-18 | Nec Corp | 2次デルタ・シグマ変調器 |
DE19646419C1 (de) * | 1996-11-11 | 1998-04-30 | Siemens Ag | Verfahren zur Herstellung einer elektrisch schreib- und löschbaren Festwertspeicherzellenanordnung |
-
1989
- 1989-05-08 EP EP89108255A patent/EP0396786B1/de not_active Expired - Lifetime
- 1989-05-08 DE DE89108255T patent/DE58906837D1/de not_active Expired - Lifetime
-
1990
- 1990-05-07 US US07/520,250 patent/US4999634A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0396786B1 (de) | 1994-01-26 |
EP0396786A1 (de) | 1990-11-14 |
US4999634A (en) | 1991-03-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE58906837D1 (de) | Integrierbarer Sigma-Delta-Modulator in Switched-Capacitor-Technik. | |
DE58906716D1 (de) | Integrierbarer Sigma-Delta-Modulator in Switched-Capacitor-Technik. | |
DE69107059T2 (de) | Sigma-delta-modulator. | |
FI890129A0 (fi) | Intravenoest filter. | |
DE68912994D1 (de) | Prothese. | |
DE68914370T2 (de) | Farbfilter. | |
FI883790A (fi) | En kombinerad analog/digital frekvensmodulator. | |
DE68918918D1 (de) | Mikrowellenfilter. | |
DE58903090D1 (de) | Filteranordnung. | |
DE58901318D1 (de) | Filtrieranordnung. | |
DE3879469D1 (de) | Aktive filteranordnung. | |
DE69004770D1 (de) | Frequenzmodulator. | |
DE68905655T2 (de) | Filter. | |
DE69105172D1 (de) | Verdichten von Endlosformularsätzen. | |
DE69022837D1 (de) | Aktives Filter. | |
FI915892A0 (fi) | I/q-modulator och -demodulator. | |
FI880299A0 (fi) | Truck. | |
DE68909854D1 (de) | Frequenzmodulator. | |
DE68914722D1 (de) | Filteranordnung. | |
DE69027889D1 (de) | Modulator | |
DE69018497D1 (de) | Digitales Filter. | |
DE68917256D1 (de) | Farbfilteranordnung. | |
DE69022655D1 (de) | Frequenzmodulator. | |
DE68917440D1 (de) | Einseitenbandmodulator in Wellenleiteranordnung. | |
FI891851A (fi) | Rengoerings-/avskiljningsapparat foer filter i vaot- och torrsugare. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |