ATE456193T1 - Wandler, schaltung und verfahren zur kompensation von ungenauigkeiten in eienem sigma delta wandler - Google Patents

Wandler, schaltung und verfahren zur kompensation von ungenauigkeiten in eienem sigma delta wandler

Info

Publication number
ATE456193T1
ATE456193T1 AT02292758T AT02292758T ATE456193T1 AT E456193 T1 ATE456193 T1 AT E456193T1 AT 02292758 T AT02292758 T AT 02292758T AT 02292758 T AT02292758 T AT 02292758T AT E456193 T1 ATE456193 T1 AT E456193T1
Authority
AT
Austria
Prior art keywords
converter
circuit
sigma delta
ideal
output signal
Prior art date
Application number
AT02292758T
Other languages
English (en)
Inventor
Hassan Ihs
Babak Bastani
Jalal Ouaddah
Original Assignee
Freescale Semiconductor Inc
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 Freescale Semiconductor Inc filed Critical Freescale Semiconductor Inc
Application granted granted Critical
Publication of ATE456193T1 publication Critical patent/ATE456193T1/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
    • H03M3/352—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AT02292758T 2002-11-06 2002-11-06 Wandler, schaltung und verfahren zur kompensation von ungenauigkeiten in eienem sigma delta wandler ATE456193T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02292758A EP1418674B1 (de) 2002-11-06 2002-11-06 Wandler, Schaltung und Verfahren zur Kompensation von Ungenauigkeiten in eienem Sigma Delta Wandler

Publications (1)

Publication Number Publication Date
ATE456193T1 true ATE456193T1 (de) 2010-02-15

Family

ID=32104021

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02292758T ATE456193T1 (de) 2002-11-06 2002-11-06 Wandler, schaltung und verfahren zur kompensation von ungenauigkeiten in eienem sigma delta wandler

Country Status (6)

Country Link
US (1) US7245246B2 (de)
EP (1) EP1418674B1 (de)
AT (1) ATE456193T1 (de)
AU (1) AU2003301779A1 (de)
DE (1) DE60235172D1 (de)
WO (1) WO2004042932A2 (de)

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US7894536B2 (en) * 2003-04-15 2011-02-22 Texas Instruments Incorporated Calibration model to mitigate data conversion errors
US7307564B1 (en) * 2004-10-25 2007-12-11 Hrl Laboratories, Llc Continuous-time delta-sigma modulators using distributed resonators
US7321325B2 (en) 2005-07-07 2008-01-22 Realtek Semiconductor Corp. Background calibration of continuous-time delta-sigma modulator
US7324028B2 (en) * 2005-09-23 2008-01-29 Realtek Semiconductor Corp. Self-calibrating continuous-time delta-sigma modulator
US7277032B2 (en) 2005-10-21 2007-10-02 Realtek Semiconductor Corp. Low-pass filter based delta-sigma modulator
US7425911B2 (en) * 2006-08-10 2008-09-16 Texas Instruments Incorporated Signal-to-noise ratio when using fewer bits than the number of output bits of an analog to digital converter
US7446687B2 (en) 2006-10-27 2008-11-04 Realtek Semiconductor Corp. Method and apparatus to reduce internal circuit errors in a multi-bit delta-sigma modulator
FI20075299A0 (fi) * 2007-04-30 2007-04-30 Nokia Corp A/D-muuntimen ja vastaanottimen suorituskyvyn parantaminen
US7486214B1 (en) 2007-09-04 2009-02-03 Infineon Technologies Ag Tuning methods for loop-filters of continuous-time sigma-delta modulators
US7623053B2 (en) * 2007-09-26 2009-11-24 Medtronic, Inc. Implantable medical device with low power delta-sigma analog-to-digital converter
US7714757B2 (en) * 2007-09-26 2010-05-11 Medtronic, Inc. Chopper-stabilized analog-to-digital converter
US7479910B1 (en) 2007-09-26 2009-01-20 Medtronic, Inc. Capacitive digital-to-analog converter reset in an implantable medical device analog-to-digital converter
US7474247B1 (en) 2007-09-26 2009-01-06 Medtronic, Inc. Detecting overloading of an analog-to-digital converter of an implantable medical device
US20090085785A1 (en) * 2007-09-28 2009-04-02 Friedel Gerfers Digital-to-analog converter calibration for multi-bit analog-to-digital converters
US7659841B1 (en) * 2008-08-07 2010-02-09 Actel Corporation Quadratic and cubic compensation of sigma-delta D/A and A/D converters
US8212699B1 (en) * 2008-09-16 2012-07-03 Semtech Corporation System and method for extending the overload range of a sigma delta ADC system by providing over-range quantization levels
US7973689B2 (en) * 2008-09-16 2011-07-05 Semtech Corporation Bandpass multi-bit sigma-delta analog to digital conversion
WO2010119456A2 (en) * 2009-04-03 2010-10-21 Secretary, Department Of Information Technology (Dit) Method and apparatus for low power continuous time delta sigma modulation
US9484950B1 (en) 2014-10-27 2016-11-01 Arrowhead Center, Inc. Hardware efficient digital signal processing for on-the-fly delta sigma bit stream linear operator and compressor circuits
JP6447386B2 (ja) * 2014-12-22 2019-01-09 住友電気工業株式会社 Δς変調器及び送信機
GB2549963B (en) * 2016-05-04 2022-03-02 D & M Holdings Inc Signal processing device and method
EP3404836A1 (de) * 2017-05-18 2018-11-21 Technische Universität Berlin Sigma-delta modulator mit fehlerskorrektur des digital-analog-wandlers
EP3451531B1 (de) 2017-08-28 2020-11-18 IMEC vzw Verfahren zur verbesserung der rückkopplungsschaltungsleistung
US12551155B1 (en) 2018-12-11 2026-02-17 Arrowhead Center, Inc. Electrocardiogram sensing and processing
US11223368B1 (en) * 2020-10-02 2022-01-11 Cirrus Logic, Inc. Inter-channel crosstalk and non-linearity reduction in double-sampled switched-capacitor delta-sigma data converters
US12431913B1 (en) 2022-06-22 2025-09-30 Arrowhead Center, Inc. Dynamic predictive sampling and processing
CN115589227B (zh) * 2022-10-21 2023-07-04 桂林星辰科技股份有限公司 一种用少位数代替多位数的数模转换线路及控制方法

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Publication number Priority date Publication date Assignee Title
US5084702A (en) * 1990-11-01 1992-01-28 General Electric Company Plural-order sigma-delta analog-to-digital converter using both single-bit and multiple-bit quantizers
DE69120924T2 (de) 1991-01-15 1997-01-30 Ibm Sigma-Delta Wandler
US5790062A (en) * 1996-05-23 1998-08-04 Wiltron Company Delta modulator with pseudo constant modulation level
US6016112A (en) * 1996-12-23 2000-01-18 National Instruments Corporation System and method for reducing errors in an analog to digital converter
WO2000008765A2 (en) * 1998-08-06 2000-02-17 Steensgaard Madsen Jesper Delta-sigma a/d converter
US6127955A (en) * 1998-11-20 2000-10-03 Telefonaktiebolaget Lm Ericsson (Publ) Method and system for calibrating analog-to-digital conversion
TW443039B (en) * 1999-05-20 2001-06-23 Ind Tech Res Inst Sigma-delta modulator by using method of local nonlinear feedback loop
FR2795889B1 (fr) * 1999-06-29 2001-10-05 France Telecom Procede et systeme de compensation de la non-linearite d'un convertisseur analogique-numerique sigma-delta
FR2805940B1 (fr) * 2000-03-01 2002-05-31 France Telecom Systeme de correction du cna pour modulateur delta sigma
JP3705098B2 (ja) * 2000-09-01 2005-10-12 日本電気株式会社 マルチビットデルタシグマａｄ変換器
US6812876B1 (en) * 2003-08-19 2004-11-02 Broadcom Corporation System and method for spectral shaping of dither signals

Also Published As

Publication number Publication date
EP1418674B1 (de) 2010-01-20
AU2003301779A8 (en) 2004-06-07
US20060012499A1 (en) 2006-01-19
WO2004042932A3 (en) 2004-08-26
US7245246B2 (en) 2007-07-17
AU2003301779A1 (en) 2004-06-07
DE60235172D1 (de) 2010-03-11
EP1418674A1 (de) 2004-05-12
WO2004042932A2 (en) 2004-05-21

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