DK1130782T3 - Fremgangsmåde og anordning til analog-digital-omdannelse af signaler - Google Patents
Fremgangsmåde og anordning til analog-digital-omdannelse af signalerInfo
- Publication number
- DK1130782T3 DK1130782T3 DK01109089.1T DK01109089T DK1130782T3 DK 1130782 T3 DK1130782 T3 DK 1130782T3 DK 01109089 T DK01109089 T DK 01109089T DK 1130782 T3 DK1130782 T3 DK 1130782T3
- Authority
- DK
- Denmark
- Prior art keywords
- analog
- signals
- digital conversion
- conversion
- digital
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/10—Calibration or testing
- H03M1/1009—Calibration
- H03M1/1028—Calibration at two points of the transfer characteristic, i.e. by adjusting two reference values, e.g. offset and gain error
-
- 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
- H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
- H03M1/188—Multi-path, i.e. having a separate analogue/digital converter for each possible range
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19502047A DE19502047C2 (de) | 1995-01-12 | 1995-01-12 | Verfahren zur Analog-Digital-Wandlung von Signalen |
EP95250144A EP0707383B1 (de) | 1994-06-14 | 1995-06-14 | Schaltungsanordnung zur Analog-Digital-Wandlung von Signalen |
Publications (1)
Publication Number | Publication Date |
---|---|
DK1130782T3 true DK1130782T3 (da) | 2013-10-28 |
Family
ID=7752169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK01109089.1T DK1130782T3 (da) | 1995-01-12 | 1995-06-14 | Fremgangsmåde og anordning til analog-digital-omdannelse af signaler |
Country Status (5)
Country | Link |
---|---|
US (1) | US5714956A (da) |
EP (1) | EP1130782B1 (da) |
DE (1) | DE19502047C2 (da) |
DK (1) | DK1130782T3 (da) |
ES (1) | ES2430547T3 (da) |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6333707B1 (en) * | 1998-02-19 | 2001-12-25 | Nortel Networks Limited | Dynamic range extension of wideband receiver |
SE521566C2 (sv) | 1999-10-15 | 2003-11-11 | Ericsson Telefon Ab L M | Förfarande och anordning för att ta emot analoga signaler som varierar inom ett stort signalområde i ett radiokommunikationssystem |
US6414619B1 (en) | 1999-10-22 | 2002-07-02 | Eric J. Swanson | Autoranging analog to digital conversion circuitry |
US6369740B1 (en) | 1999-10-22 | 2002-04-09 | Eric J. Swanson | Programmable gain preamplifier coupled to an analog to digital converter |
US6310518B1 (en) | 1999-10-22 | 2001-10-30 | Eric J. Swanson | Programmable gain preamplifier |
US6590517B1 (en) | 1999-10-22 | 2003-07-08 | Eric J. Swanson | Analog to digital conversion circuitry including backup conversion circuitry |
US6317071B1 (en) * | 2000-08-22 | 2001-11-13 | Lucent Technologies Inc. | Method and apparatus for analog-to-digital conversion by combining digital sample values |
US7123894B2 (en) * | 2002-12-16 | 2006-10-17 | Harris Corporation | Dynamic range extension system and method |
DE102005026928B8 (de) * | 2004-07-14 | 2013-05-16 | GAUSS Instruments GmbH Gesellschaft für AUtomatisierte StöremissionsmessSysteme | Verfahren und Vorrichtung zur Analog-Digital-Wandlung eines Eingangssignals mit hoher Dynamik |
DE102005032982B4 (de) * | 2004-07-14 | 2010-04-22 | Technische Universität München | Verfahren und Vorrichtung zur Analog-Digital-Wandlung eines Eingangssignals |
JP2006119723A (ja) * | 2004-10-19 | 2006-05-11 | Canon Inc | 画像処理装置、画像処理方法 |
WO2006109013A1 (en) * | 2005-04-15 | 2006-10-19 | Sony United Kingdom Limited | Analogue to digital conversion |
GB2425227B (en) * | 2005-04-15 | 2009-09-02 | Sony Uk Ltd | Analogue to digital conversion |
GB2425226B (en) * | 2005-04-15 | 2009-07-29 | Sony Uk Ltd | Analogue to digital conversion |
DE102007021166A1 (de) * | 2007-05-05 | 2008-11-20 | Teconcept Gmbh | Verfahren zur adaptiven Dynamikerweiterung von Analog- zu Digitalumsetzern |
US7952502B2 (en) * | 2008-08-29 | 2011-05-31 | Broadcom Corporation | Imbalance and distortion cancellation for composite analog to digital converter (ADC) |
US7911368B2 (en) * | 2008-10-24 | 2011-03-22 | Olympus Ndt | Sample error minimization for high dynamic range digitization systems |
EP2207264B1 (en) * | 2009-01-09 | 2013-10-30 | AKG Acoustics GmbH | Analogue to digital converting |
CN102639964B (zh) * | 2009-12-04 | 2014-11-05 | 本田技研工业株式会社 | 旋转变压器数字转换器 |
US8217822B2 (en) * | 2010-11-09 | 2012-07-10 | Microsoft Corporation | Resolution enhancing analog-to-digital conversion |
US9467777B2 (en) | 2013-03-15 | 2016-10-11 | Cirrus Logic, Inc. | Interface for a digital microphone array |
US9391576B1 (en) | 2013-09-05 | 2016-07-12 | Cirrus Logic, Inc. | Enhancement of dynamic range of audio signal path |
US9831843B1 (en) | 2013-09-05 | 2017-11-28 | Cirrus Logic, Inc. | Opportunistic playback state changes for audio devices |
US9774342B1 (en) * | 2014-03-05 | 2017-09-26 | Cirrus Logic, Inc. | Multi-path analog front end and analog-to-digital converter for a signal processing system |
US9525940B1 (en) | 2014-03-05 | 2016-12-20 | Cirrus Logic, Inc. | Multi-path analog front end and analog-to-digital converter for a signal processing system |
US9306588B2 (en) | 2014-04-14 | 2016-04-05 | Cirrus Logic, Inc. | Switchable secondary playback path |
CN104066036A (zh) * | 2014-06-19 | 2014-09-24 | 华为技术有限公司 | 拾音装置及拾音方法 |
US10785568B2 (en) | 2014-06-26 | 2020-09-22 | Cirrus Logic, Inc. | Reducing audio artifacts in a system for enhancing dynamic range of audio signal path |
US9337795B2 (en) | 2014-09-09 | 2016-05-10 | Cirrus Logic, Inc. | Systems and methods for gain calibration of an audio signal path |
US9596537B2 (en) | 2014-09-11 | 2017-03-14 | Cirrus Logic, Inc. | Systems and methods for reduction of audio artifacts in an audio system with dynamic range enhancement |
US9503027B2 (en) | 2014-10-27 | 2016-11-22 | Cirrus Logic, Inc. | Systems and methods for dynamic range enhancement using an open-loop modulator in parallel with a closed-loop modulator |
EP3259845B1 (en) | 2015-02-16 | 2019-09-18 | Sound Devices, LLC | High dynamic range analog-to-digital conversion with selective regression based data repair |
US9584911B2 (en) | 2015-03-27 | 2017-02-28 | Cirrus Logic, Inc. | Multichip dynamic range enhancement (DRE) audio processing methods and apparatuses |
US9959856B2 (en) | 2015-06-15 | 2018-05-01 | Cirrus Logic, Inc. | Systems and methods for reducing artifacts and improving performance of a multi-path analog-to-digital converter |
US9955254B2 (en) | 2015-11-25 | 2018-04-24 | Cirrus Logic, Inc. | Systems and methods for preventing distortion due to supply-based modulation index changes in an audio playback system |
US9543975B1 (en) | 2015-12-29 | 2017-01-10 | Cirrus Logic, Inc. | Multi-path analog front end and analog-to-digital converter for a signal processing system with low-pass filter between paths |
US9880802B2 (en) | 2016-01-21 | 2018-01-30 | Cirrus Logic, Inc. | Systems and methods for reducing audio artifacts from switching between paths of a multi-path signal processing system |
US9998826B2 (en) | 2016-06-28 | 2018-06-12 | Cirrus Logic, Inc. | Optimization of performance and power in audio system |
US10545561B2 (en) | 2016-08-10 | 2020-01-28 | Cirrus Logic, Inc. | Multi-path digitation based on input signal fidelity and output requirements |
US10263630B2 (en) | 2016-08-11 | 2019-04-16 | Cirrus Logic, Inc. | Multi-path analog front end with adaptive path |
US9813814B1 (en) | 2016-08-23 | 2017-11-07 | Cirrus Logic, Inc. | Enhancing dynamic range based on spectral content of signal |
US9780800B1 (en) | 2016-09-19 | 2017-10-03 | Cirrus Logic, Inc. | Matching paths in a multiple path analog-to-digital converter |
US9762255B1 (en) | 2016-09-19 | 2017-09-12 | Cirrus Logic, Inc. | Reconfiguring paths in a multiple path analog-to-digital converter |
US9929703B1 (en) | 2016-09-27 | 2018-03-27 | Cirrus Logic, Inc. | Amplifier with configurable final output stage |
US9967665B2 (en) | 2016-10-05 | 2018-05-08 | Cirrus Logic, Inc. | Adaptation of dynamic range enhancement based on noise floor of signal |
US10321230B2 (en) | 2017-04-07 | 2019-06-11 | Cirrus Logic, Inc. | Switching in an audio system with multiple playback paths |
US10008992B1 (en) | 2017-04-14 | 2018-06-26 | Cirrus Logic, Inc. | Switching in amplifier with configurable final output stage |
US9917557B1 (en) | 2017-04-17 | 2018-03-13 | Cirrus Logic, Inc. | Calibration for amplifier with configurable final output stage |
WO2019036579A1 (en) | 2017-08-18 | 2019-02-21 | Cirrus Logic International Semiconductor, Ltd. | MULTI-PATH ANALOG SYSTEM WITH PASS-UP MULTIMODE FILTER |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4129864A (en) * | 1976-03-03 | 1978-12-12 | The United States Of America As Represented By The Secretary Of Commerce | High speed, wide dynamic range analog-to-digital conversion |
FR2441956A1 (fr) * | 1978-11-17 | 1980-06-13 | Inst Francais Du Petrole | Methode d'amplification de signaux multiplexes et dispositif de mise en oeuvre |
DE3603833A1 (de) * | 1986-02-07 | 1987-08-13 | Ant Nachrichtentech | Einrichtung zur analog/digital-wandlung von elektrischen analogsignalen |
EP0265448A1 (en) * | 1986-03-24 | 1988-05-04 | EASTMAN KODAK COMPANY (a New Jersey corporation) | Analog/digital converter apparatus for quantizing transmittance voltage signals |
DE3611922A1 (de) * | 1986-04-09 | 1987-10-22 | Pierburg Gmbh & Co Kg | Verfahren und einrichtung zum verbessern der aufloesung beim digitalisieren eines analogsignals |
JPH01131918A (ja) * | 1987-11-17 | 1989-05-24 | Hitachi Ltd | Ad変換器 |
DE3816903A1 (de) * | 1988-05-18 | 1989-11-30 | Asea Brown Boveri | Verfahren und anordnung zur analog/digital-wandlung |
DE3820144A1 (de) * | 1988-06-14 | 1989-12-21 | Ant Nachrichtentech | Hochaufloesender a/d- bzw. d/a-umsetzer |
FR2649212B1 (fr) * | 1989-06-28 | 1991-10-18 | Inst Francais Du Petrole | Methode et dispositif d'acquisition permettant une numerisation precise de signaux analogiques |
JPH065819B2 (ja) * | 1989-06-29 | 1994-01-19 | ヤマハ株式会社 | A/d変換装置 |
DE4312697A1 (de) * | 1993-04-20 | 1994-10-27 | Leybold Ag | Vorrichtung zum Digitalisieren einer Analogspannung |
US5499027A (en) * | 1994-02-24 | 1996-03-12 | Massachusetts Institute Of Technology | Digitally self-calibrating pipeline analog-to-digital converter |
-
1995
- 1995-01-12 DE DE19502047A patent/DE19502047C2/de not_active Expired - Lifetime
- 1995-06-14 DK DK01109089.1T patent/DK1130782T3/da active
- 1995-06-14 ES ES01109089T patent/ES2430547T3/es not_active Expired - Lifetime
- 1995-06-14 EP EP01109089.1A patent/EP1130782B1/de not_active Expired - Lifetime
-
1996
- 1996-01-11 US US08/584,535 patent/US5714956A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1130782A3 (de) | 2001-11-21 |
DE19502047C2 (de) | 1996-12-05 |
EP1130782B1 (de) | 2013-07-31 |
ES2430547T3 (es) | 2013-11-21 |
US5714956A (en) | 1998-02-03 |
DE19502047A1 (de) | 1996-08-08 |
EP1130782A2 (de) | 2001-09-05 |
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