WO2001005037A3 - Sigma-delta modulator - Google Patents
Sigma-delta modulator Download PDFInfo
- Publication number
- WO2001005037A3 WO2001005037A3 PCT/DK2000/000382 DK0000382W WO0105037A3 WO 2001005037 A3 WO2001005037 A3 WO 2001005037A3 DK 0000382 W DK0000382 W DK 0000382W WO 0105037 A3 WO0105037 A3 WO 0105037A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sigma
- delta modulator
- delta
- invention introduces
- basically
- Prior art date
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
- H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
- H03M3/478—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication
- H03M3/48—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication characterised by the type of range control, e.g. limiting
- H03M3/482—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication characterised by the type of range control, e.g. limiting by adapting the quantisation step size
-
- 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
- H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
- H03M3/478—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication
- H03M3/488—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication using automatic control
- H03M3/49—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication using automatic control in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00945653A EP1212837A2 (en) | 1999-07-09 | 2000-07-10 | Sigma-delta modulator |
AU59657/00A AU5965700A (en) | 1999-07-09 | 2000-07-10 | Sigma-delta modulator |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DKPA199901004 | 1999-07-09 | ||
DK199901004A DK199901004A (en) | 1999-07-09 | 1999-07-09 | Sigma-delta modulator |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001005037A2 WO2001005037A2 (en) | 2001-01-18 |
WO2001005037A3 true WO2001005037A3 (en) | 2001-09-27 |
Family
ID=8099934
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DK2000/000382 WO2001005037A2 (en) | 1999-07-09 | 2000-07-10 | Sigma-delta modulator |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1212837A2 (en) |
CN (1) | CN1360759A (en) |
AU (1) | AU5965700A (en) |
DK (1) | DK199901004A (en) |
WO (1) | WO2001005037A2 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4539446B2 (en) * | 2004-06-24 | 2010-09-08 | ソニー株式会社 | Delta-sigma modulation apparatus and delta-sigma modulation method |
CN101499282B (en) * | 2008-02-03 | 2012-03-07 | 深圳艾科创新微电子有限公司 | Voice A/D conversion method and device |
CN101267413B (en) * | 2008-03-18 | 2011-04-27 | 北京天碁科技有限公司 | RF transmission method and system and vibration wave generator, sigma-delta modulator and mobile terminal |
FR2983371B1 (en) * | 2011-11-24 | 2014-01-10 | Commissariat Energie Atomique | IMAGEUR DEVICE COMPRISING AN ANALOGUE-DIGITAL CONVERSION CIRCUIT BY INJECTION OF VARIABLE QUANTITY LOADS ACCORDING TO THE NUMBER OF PREVIOUS INJECTIONS |
EP3565124A1 (en) | 2018-05-03 | 2019-11-06 | ams AG | Delta-sigma modulator with a automatic gain control in the feedback loop |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5311181A (en) * | 1990-01-31 | 1994-05-10 | Analog Devices, Inc. | Sigma delta modulator |
EP0645893A1 (en) * | 1993-09-24 | 1995-03-29 | Advanced Micro Devices, Inc. | Analog-to-digital converters with dither signal |
US5471209A (en) * | 1994-03-03 | 1995-11-28 | Echelon Corporation | Sigma-delta converter having a digital logic gate core |
US5844514A (en) * | 1994-11-01 | 1998-12-01 | Forsvarets Forskningsanstalt | Analog-to-digital converter and sensor device comprising such a converter |
-
1999
- 1999-07-09 DK DK199901004A patent/DK199901004A/en not_active Application Discontinuation
-
2000
- 2000-07-10 CN CN00810110A patent/CN1360759A/en active Pending
- 2000-07-10 EP EP00945653A patent/EP1212837A2/en not_active Withdrawn
- 2000-07-10 AU AU59657/00A patent/AU5965700A/en not_active Abandoned
- 2000-07-10 WO PCT/DK2000/000382 patent/WO2001005037A2/en not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5311181A (en) * | 1990-01-31 | 1994-05-10 | Analog Devices, Inc. | Sigma delta modulator |
EP0645893A1 (en) * | 1993-09-24 | 1995-03-29 | Advanced Micro Devices, Inc. | Analog-to-digital converters with dither signal |
US5471209A (en) * | 1994-03-03 | 1995-11-28 | Echelon Corporation | Sigma-delta converter having a digital logic gate core |
US5844514A (en) * | 1994-11-01 | 1998-12-01 | Forsvarets Forskningsanstalt | Analog-to-digital converter and sensor device comprising such a converter |
Also Published As
Publication number | Publication date |
---|---|
WO2001005037A2 (en) | 2001-01-18 |
EP1212837A2 (en) | 2002-06-12 |
DK199901004A (en) | 2001-01-10 |
CN1360759A (en) | 2002-07-24 |
AU5965700A (en) | 2001-01-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5550544C1 (en) | Signal converter noise shaper ad converter and da converter | |
WO1996031943A3 (en) | Quadrature signal conversion device | |
WO2002017495A3 (en) | Multiple mode analog-to-digital converter employing a single quantizer | |
WO2003043199A3 (en) | Optically sampled delta-sigma modulator | |
AU2567297A (en) | Conversion of a pcm signal into a upwm signal | |
AU4418999A (en) | Control of a variable gain amplifier with a delta sigma modulator d/a converter | |
WO2006039649A3 (en) | Unified analog input front end apparatus and method | |
ATE215757T1 (en) | DELTA-SIGMA ANALOG-DIGITAL CONVERTER | |
TW200638688A (en) | Multibit △ Σ modulation type DA converter | |
WO2003039006A3 (en) | Incremental-delta analogue-to-digital conversion | |
WO2003075457A3 (en) | Apparatus and method for reducing peak-to-average signal power ratio | |
WO2001003303A3 (en) | Method and apparatus for efficient mixed signal processing in a digital amplifier | |
EP1158663A3 (en) | Digital switching amplifier | |
CA2301886A1 (en) | Reducing sparseness in coded speech signals | |
EP1193880A3 (en) | A subranging sigma delta modulator | |
WO2004025398A3 (en) | Sigma-delta adc | |
WO1999048202A3 (en) | Converter with programmable gain control | |
WO2001005037A3 (en) | Sigma-delta modulator | |
FR2823619B1 (en) | SIGMA-DELTA BANDWAY MODULATOR AND USES OF THE SIGMA DELTA MOLOR FOR CONVERSION, DETECTION AND PRODUCTION OF SIGNALS | |
WO1999056446A3 (en) | Video rate d/a converter with sigma-delta modulator | |
GB2408858B (en) | Word length reduction circuit | |
WO2003017496A3 (en) | Multiplexed analog to digital converter | |
EP0798865A3 (en) | Digital data converter | |
KR970072711A (en) | 1-Bit A / D Converter Reduces Noise Components | |
EP0666650A3 (en) | Method for the fast decoding of the output signals of sigma delta modulators. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A2 Designated state(s): AE AG AL AM AT AT AU AZ BA BB BG BR BY BZ CA CH CN CR CU CZ CZ DE DE DK DK DM DZ EE EE ES FI FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A2 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
AK | Designated states |
Kind code of ref document: A3 Designated state(s): AE AG AL AM AT AT AU AZ BA BB BG BR BY BZ CA CH CN CR CU CZ CZ DE DE DK DK DM DZ EE EE ES FI FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ PL PT RO RU SD SE SG SI SK SK SL TJ TM TR TT TZ UA UG US UZ VN YU ZA ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A3 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2000945653 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 008101108 Country of ref document: CN |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWP | Wipo information: published in national office |
Ref document number: 2000945653 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10030603 Country of ref document: US |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 2000945653 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: JP |