BR0206448A - Dispositivo de modulação sigma-delta para modular um sinal de entrada para obter um sinal de saìda, método para modulação sigma-delta de um sinal de entrada para obter um sinal de saìda, e, aparelho processador de sinal - Google Patents
Dispositivo de modulação sigma-delta para modular um sinal de entrada para obter um sinal de saìda, método para modulação sigma-delta de um sinal de entrada para obter um sinal de saìda, e, aparelho processador de sinalInfo
- Publication number
- BR0206448A BR0206448A BR0206448-0A BR0206448A BR0206448A BR 0206448 A BR0206448 A BR 0206448A BR 0206448 A BR0206448 A BR 0206448A BR 0206448 A BR0206448 A BR 0206448A
- Authority
- BR
- Brazil
- Prior art keywords
- signal
- sigma
- input signal
- delta modulation
- output signal
- 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
- H03M3/02—Delta modulation, i.e. one-bit differential modulation
-
- 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
- H03M3/344—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 filtering other than the noise-shaping inherent to delta-sigma modulators, e.g. anti-aliasing
-
- 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
- H03M3/358—Continuously compensating for, or preventing, undesired influence of physical parameters of non-linear distortion, e.g. instability
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Semiconductor Lasers (AREA)
- Soft Magnetic Materials (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Abstract
"DISPOSITIVO DE MODULAçãO SIGMA-DELTA PARA MODULAR UM SINAL DE ENTRADA PARA OBTER UM SINAL DE SAìDA, MéTODO PARA MODULAçãO SIGMA-DELTA DE UM SINAL DE ENTRADA PARA OBTER UM SINAL DE SAìDA, E, APARELHO PROCESSADOR DE SINAL". Modulação sigma-delta é provida, compreendendo suprir um sinal de entrada a um primeiro SDM, subtrair a saída do primeiro modulador sigma-delta do sinal de entrada, filtrar a saída do subtrator para obter um sinal filtrado, retardar o sinal de entrada, adicionar o sinal filtrado ao sinal de entrada, suprir a saída do adicionador a um segundo SDM, e prover a saída do segundo SDM. O primeiro SDM, em combinação com a subtração e filtragem, despacha um sinal de correção que, por sua adição ao sinal de entrada, reduz a distorção no segundo SDM, cujo segundo SDM efetua, de fato, a modulação sigma-delta do dispositivo.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01204369 | 2001-11-15 | ||
PCT/IB2002/004534 WO2003043197A1 (en) | 2001-11-15 | 2002-10-28 | Sigma-delta modulation |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0206448A true BR0206448A (pt) | 2003-12-30 |
Family
ID=8181241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0206448-0A BR0206448A (pt) | 2001-11-15 | 2002-10-28 | Dispositivo de modulação sigma-delta para modular um sinal de entrada para obter um sinal de saìda, método para modulação sigma-delta de um sinal de entrada para obter um sinal de saìda, e, aparelho processador de sinal |
Country Status (9)
Country | Link |
---|---|
US (1) | US6975257B2 (pt) |
EP (1) | EP1449304B1 (pt) |
JP (1) | JP2005510110A (pt) |
KR (1) | KR20040060979A (pt) |
CN (1) | CN1586040A (pt) |
AT (1) | ATE325468T1 (pt) |
BR (1) | BR0206448A (pt) |
DE (1) | DE60211208T2 (pt) |
WO (1) | WO2003043197A1 (pt) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2003255931A1 (en) * | 2002-09-30 | 2004-04-19 | Koninklijke Philips Electronics N.V. | Sigma-delta modulation |
EP1738467B1 (en) * | 2004-04-02 | 2008-06-11 | Kaben Wireless Silicon Inc. | Delta sigma modulator with multiple filters |
JP2008523648A (ja) * | 2004-09-14 | 2008-07-03 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 入力信号をパルス幅変調するための装置 |
EP1971509B1 (en) | 2006-01-10 | 2011-09-21 | Guardian Industries Corp. | Rain sensor with capacitive-inclusive circuit |
US7551095B2 (en) | 2006-01-10 | 2009-06-23 | Guardian Industries Corp. | Rain sensor with selectively reconfigurable fractal based sensors/capacitors |
US7551094B2 (en) * | 2006-01-10 | 2009-06-23 | Guardian Industries Corp. | Rain sensor with fractal capacitor(s) |
US7504957B2 (en) | 2006-01-10 | 2009-03-17 | Guardian Industries Corp. | Light sensor embedded on printed circuit board |
US8634988B2 (en) | 2006-01-10 | 2014-01-21 | Guardian Industries Corp. | Time, space, and/or wavelength multiplexed capacitive light sensor, and related methods |
US9371032B2 (en) | 2006-01-10 | 2016-06-21 | Guardian Industries Corp. | Moisture sensor and/or defogger with Bayesian improvements, and related methods |
US10173579B2 (en) | 2006-01-10 | 2019-01-08 | Guardian Glass, LLC | Multi-mode moisture sensor and/or defogger, and related methods |
US7830267B2 (en) | 2006-01-10 | 2010-11-09 | Guardian Industries Corp. | Rain sensor embedded on printed circuit board |
CN101729073B (zh) * | 2008-10-10 | 2012-10-24 | 国民技术股份有限公司 | 高速Sigma-Delta调制方法和调制器 |
WO2014008173A1 (en) | 2012-07-06 | 2014-01-09 | Guardian Industries Corp. | Moisture sensor and/or defogger with bayesian improvements, and related methods |
EP2872013B1 (en) | 2012-07-06 | 2019-10-09 | Guardian Glass, LLC | Method of removing condensation from a refrigerator/freezer door |
EP2882106A1 (en) * | 2013-12-06 | 2015-06-10 | Nxp B.V. | Sigma-delta modulator |
DE102014104142B4 (de) * | 2014-03-25 | 2015-10-22 | Intel IP Corporation | Quantisierungsschaltung und Verfahren zum Quantisieren einer Eingangsgröße |
US9503120B1 (en) | 2016-02-29 | 2016-11-22 | Analog Devices Global | Signal dependent subtractive dithering |
US10418044B2 (en) | 2017-01-30 | 2019-09-17 | Cirrus Logic, Inc. | Converting a single-bit audio stream to a single-bit audio stream with a constant edge rate |
US10784881B1 (en) * | 2019-11-15 | 2020-09-22 | Liquid Instruments Pty Ltd. | Blended anti-aliasing analog-to-digital conversion for digital test and measurement devices |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4560945A (en) * | 1984-09-04 | 1985-12-24 | Westinghouse Electric Corp. | Adaptive feedforward cancellation technique that is effective in reducing amplifier harmonic distortion products as well as intermodulation distortion products |
US4843390A (en) * | 1988-02-24 | 1989-06-27 | Motorola, Inc. | Oversampled A/D converter having digital error correction |
US5103229A (en) * | 1990-04-23 | 1992-04-07 | General Electric Company | Plural-order sigma-delta analog-to-digital converters using both single-bit and multiple-bit quantization |
GB9103777D0 (en) * | 1991-02-22 | 1991-04-10 | B & W Loudspeakers | Analogue and digital convertors |
GB9109637D0 (en) * | 1991-05-03 | 1991-06-26 | Marconi Gec Ltd | Analogue-to-digital and digital-to-analogue converters |
JP3327116B2 (ja) * | 1996-04-30 | 2002-09-24 | ソニー株式会社 | 信号処理装置、信号記録装置及び信号再生装置 |
US5768315A (en) * | 1996-07-22 | 1998-06-16 | Motorola, Inc. | Band-pass sigma-delta converter and commutating filter therefor |
US6232900B1 (en) * | 1998-02-10 | 2001-05-15 | Lucent Technologies, Inc. | Second order digital filter requiring only one sigma delta modulator |
DE19948374A1 (de) * | 1999-10-07 | 2001-04-12 | Siemens Ag | Sigma-Delta-Modulator |
JP2003534579A (ja) * | 2000-05-22 | 2003-11-18 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | ウォーターマークの挿入および抽出 |
-
2002
- 2002-10-28 JP JP2003544912A patent/JP2005510110A/ja not_active Withdrawn
- 2002-10-28 CN CNA028226259A patent/CN1586040A/zh active Pending
- 2002-10-28 EP EP02777704A patent/EP1449304B1/en not_active Expired - Lifetime
- 2002-10-28 DE DE60211208T patent/DE60211208T2/de not_active Expired - Fee Related
- 2002-10-28 WO PCT/IB2002/004534 patent/WO2003043197A1/en active IP Right Grant
- 2002-10-28 US US10/495,538 patent/US6975257B2/en not_active Expired - Fee Related
- 2002-10-28 AT AT02777704T patent/ATE325468T1/de not_active IP Right Cessation
- 2002-10-28 KR KR10-2004-7007370A patent/KR20040060979A/ko not_active Application Discontinuation
- 2002-10-28 BR BR0206448-0A patent/BR0206448A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE325468T1 (de) | 2006-06-15 |
DE60211208D1 (en) | 2006-06-08 |
US6975257B2 (en) | 2005-12-13 |
JP2005510110A (ja) | 2005-04-14 |
DE60211208T2 (de) | 2007-05-03 |
EP1449304B1 (en) | 2006-05-03 |
WO2003043197A1 (en) | 2003-05-22 |
CN1586040A (zh) | 2005-02-23 |
KR20040060979A (ko) | 2004-07-06 |
EP1449304A1 (en) | 2004-08-25 |
US20050001749A1 (en) | 2005-01-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 6A E 7A ANUIDADES. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO 8.6 DA RPI 2025 DE 27/10/2009. |