ATE493797T1 - System und verfahren zum dither-anpassen in einen delta-sigma-modulator - Google Patents

System und verfahren zum dither-anpassen in einen delta-sigma-modulator

Info

Publication number
ATE493797T1
ATE493797T1 AT06803893T AT06803893T ATE493797T1 AT E493797 T1 ATE493797 T1 AT E493797T1 AT 06803893 T AT06803893 T AT 06803893T AT 06803893 T AT06803893 T AT 06803893T AT E493797 T1 ATE493797 T1 AT E493797T1
Authority
AT
Austria
Prior art keywords
sigma modulator
delta
dither
dither adjustment
adjustment
Prior art date
Application number
AT06803893T
Other languages
English (en)
Inventor
Shyam S Somayajula
Original Assignee
St Ericsson Sa
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by St Ericsson Sa filed Critical St Ericsson Sa
Application granted granted Critical
Publication of ATE493797T1 publication Critical patent/ATE493797T1/de

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
    • H03M3/326—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 averaging out the errors
    • H03M3/328—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 averaging out the errors using dither
    • H03M3/3287—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 averaging out the errors using dither the dither being at least partially dependent on the input signal
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT06803893T 2005-09-30 2006-09-20 System und verfahren zum dither-anpassen in einen delta-sigma-modulator ATE493797T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/242,110 US7224299B2 (en) 2005-09-30 2005-09-30 System and method for adjusting dither in a delta sigma modulator
PCT/US2006/036609 WO2007040989A1 (en) 2005-09-30 2006-09-20 System and method for adjusting dither in a delta sigma modulator

Publications (1)

Publication Number Publication Date
ATE493797T1 true ATE493797T1 (de) 2011-01-15

Family

ID=37400988

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06803893T ATE493797T1 (de) 2005-09-30 2006-09-20 System und verfahren zum dither-anpassen in einen delta-sigma-modulator

Country Status (7)

Country Link
US (1) US7224299B2 (de)
EP (1) EP1935096B1 (de)
JP (1) JP4644289B2 (de)
CN (1) CN101273529B (de)
AT (1) ATE493797T1 (de)
DE (1) DE602006019295D1 (de)
WO (1) WO2007040989A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2003783A4 (de) * 2006-03-31 2011-03-09 Nihon Dempa Kogyo Co Digitales verarbeitungsgerät
FI121101B (fi) * 2007-01-22 2010-06-30 Abb Oy Laite analogisen virta- tai jännitesignaalin tuottamiseksi
RU2457618C1 (ru) * 2008-07-30 2012-07-27 Майкро Моушн, Инк. Дельта-сигма модулятор и способ дизеринга, включающие в себя способность дизеринга для устранения неактивных тонов
DK2324573T3 (da) * 2008-07-30 2013-03-25 Micro Motion Inc Delta-sigma-modulator og dithering-fremgangsmåde med en dithering-funktion til fjernelse af tomgangstoner
WO2012012244A2 (en) * 2010-07-19 2012-01-26 Massachusetts Institute Of Technology Time varying quantization-based linearity enhancement of signal converters and mixed-signal systems
US8519878B2 (en) * 2011-06-27 2013-08-27 Broadcom Corporation Multi-mode analog-to-digital converter
DE102011086003A1 (de) * 2011-11-09 2013-05-16 Robert Bosch Gmbh Verfahren und Delta-Sigma-Wandler für ein Sensorsignal, insbesondere ein Signal eines Drehratensensors
US8766836B2 (en) * 2012-02-10 2014-07-01 Analog Devices, Inc. Sigma delta modulator with dither

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6484920A (en) * 1987-09-25 1989-03-30 Nec Corp A/d converter
US5010347A (en) 1987-09-25 1991-04-23 Nec Corporation Analog-to-digital converter having an excellent signal-to-noise ratio for small signals
JPS6484921A (en) * 1987-09-25 1989-03-30 Nec Corp A/d converter
US5055846A (en) 1988-10-13 1991-10-08 Crystal Semiconductor Corporation Method for tone avoidance in delta-sigma converters
JPH0495433A (ja) * 1990-08-10 1992-03-27 Nippon Denshin Kogyo Kk 周波数偏移キーイング装置
JP3396512B2 (ja) * 1993-08-31 2003-04-14 パイオニア株式会社 ディザ生成装置
US6408034B1 (en) 1997-04-22 2002-06-18 Silicon Laboratories, Inc. Framed delta sigma data with unlikely delta sigma data patterns
US5835038A (en) * 1997-05-08 1998-11-10 Burr-Brown Corporation DC dither circuitry and method for delta-sigma modulator
US6061009A (en) 1998-03-30 2000-05-09 Silicon Laboratories, Inc. Apparatus and method for resetting delta-sigma modulator state variables using feedback impedance
US6064326A (en) 1998-03-30 2000-05-16 Silicon Laboratories, Inc. Analog-to-digital conversion overload detection and suppression
US6268814B1 (en) * 2000-03-14 2001-07-31 Lucent Technologies Inc. Carrier-dependent dithering for analog-to-digital conversion
CN1119870C (zh) * 2000-08-09 2003-08-27 华为技术有限公司 自适应数字抖动信号控制方法和利用该方法的中频发射机
US6351229B1 (en) * 2000-09-05 2002-02-26 Texas Instruments Incorporated Density-modulated dynamic dithering circuits and method for delta-sigma converter
US6661360B2 (en) * 2002-02-12 2003-12-09 Broadcom Corporation Analog to digital converter that services voice communications
JP2005072632A (ja) * 2003-08-21 2005-03-17 Renesas Technology Corp Ａ／ｄ変換回路を内蔵した通信用半導体集積回路
US7060546B2 (en) 2003-11-26 2006-06-13 International Business Machines Corporation Ultra-thin SOI MOSFET method and structure
JP2005229480A (ja) * 2004-02-16 2005-08-25 Nippon Telegr & Teleph Corp <Ntt> ビットレート電圧変換回路

Also Published As

Publication number Publication date
CN101273529B (zh) 2013-09-18
WO2007040989A1 (en) 2007-04-12
US20070075885A1 (en) 2007-04-05
EP1935096A1 (de) 2008-06-25
JP4644289B2 (ja) 2011-03-02
DE602006019295D1 (en) 2011-02-10
JP2009510912A (ja) 2009-03-12
EP1935096B1 (de) 2010-12-29
CN101273529A (zh) 2008-09-24
US7224299B2 (en) 2007-05-29

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