DE602004013177D1 - Delta-sigma-modulator mit integraldezimierung - Google Patents

Delta-sigma-modulator mit integraldezimierung

Info

Publication number
DE602004013177D1
DE602004013177D1 DE602004013177T DE602004013177T DE602004013177D1 DE 602004013177 D1 DE602004013177 D1 DE 602004013177D1 DE 602004013177 T DE602004013177 T DE 602004013177T DE 602004013177 T DE602004013177 T DE 602004013177T DE 602004013177 D1 DE602004013177 D1 DE 602004013177D1
Authority
DE
Germany
Prior art keywords
decimation
sigma modulator
integration
functions
delta
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DE602004013177T
Other languages
English (en)
Other versions
DE602004013177T2 (de
Inventor
John L Melanson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cirrus Logic Inc
Original Assignee
Cirrus Logic 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 Cirrus Logic Inc filed Critical Cirrus Logic Inc
Publication of DE602004013177D1 publication Critical patent/DE602004013177D1/de
Application granted granted Critical
Publication of DE602004013177T2 publication Critical patent/DE602004013177T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3004—Digital delta-sigma modulation
    • H03M7/3015—Structural details of digital delta-sigma modulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE602004013177T 2003-10-09 2004-10-08 Delta-sigma-modulator mit integraldezimierung Active DE602004013177T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US682552 1984-12-17
US10/682,552 US7212137B2 (en) 2003-10-09 2003-10-09 Delta sigma modulator with integral decimation
PCT/US2004/033428 WO2005036757A1 (en) 2003-10-09 2004-10-08 Delta sigma modulator with integral decimation

Publications (2)

Publication Number Publication Date
DE602004013177D1 true DE602004013177D1 (de) 2008-05-29
DE602004013177T2 DE602004013177T2 (de) 2009-06-18

Family

ID=34422541

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004013177T Active DE602004013177T2 (de) 2003-10-09 2004-10-08 Delta-sigma-modulator mit integraldezimierung

Country Status (5)

Country Link
US (1) US7212137B2 (de)
EP (1) EP1678832B1 (de)
AT (1) ATE392744T1 (de)
DE (1) DE602004013177T2 (de)
WO (1) WO2005036757A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7142144B1 (en) * 2005-05-19 2006-11-28 Ami Semiconductor, Inc. Low power sigma delta modulator
JP4660444B2 (ja) * 2006-09-08 2011-03-30 パナソニック株式会社 デルタシグマ変調器の制御方法およびデルタシグマ変調器
US8374567B2 (en) * 2008-09-25 2013-02-12 Lantiq Deutschland Gmbh High speed serial link with power spectral density frequency response suppression
DE102011085547B4 (de) * 2011-11-02 2021-07-22 Robert Bosch Gmbh Vorrichtung und Verfahren zur Korrektur eines Sensorsignals
US20150055552A1 (en) * 2013-08-26 2015-02-26 Broadcom Corporation Configurable rf carrier phase noise shaping
EP2860875B1 (de) * 2013-10-09 2019-04-10 Nxp B.V. Analog-Digital-Wandler
US10449090B2 (en) 2015-07-31 2019-10-22 Allotex, Inc. Corneal implant systems and methods

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5055843A (en) 1990-01-31 1991-10-08 Analog Devices, Inc. Sigma delta modulator with distributed prefiltering and feedback
NL9001441A (nl) 1990-06-22 1992-01-16 Philips Nv Sigma-delta modulator.
US5142286A (en) * 1990-10-01 1992-08-25 General Electric Company Read-out photodiodes using sigma-delta oversampled analog-to-digital converters
NL9100379A (nl) 1991-03-01 1992-10-01 Philips Nv Sigma-deltamodulator.
FI88765C (fi) 1991-04-09 1993-06-28 Nokia Mobile Phones Ltd Foerfarande och arrangemang foer stabilering av en hoegre grads sigma-delta-modulator
US5471209A (en) * 1994-03-03 1995-11-28 Echelon Corporation Sigma-delta converter having a digital logic gate core
DE19535615A1 (de) * 1994-10-20 1996-05-02 Analogic Corp Datenerfassungssystem, insbesondere für Computertomographie-Geräte
US5627536A (en) * 1994-12-27 1997-05-06 Advanced Micro Devices, Inc. Multiplexed delta-sigma modulator
US5742246A (en) 1996-03-22 1998-04-21 National Science Council Stabilizing mechanism for sigma-delta modulator
US6150969A (en) 1996-06-12 2000-11-21 Audiologic, Incorporated Correction of nonlinear output distortion in a Delta Sigma DAC
US5815102A (en) 1996-06-12 1998-09-29 Audiologic, Incorporated Delta sigma pwm dac to reduce switching
DE69738060D1 (de) * 1996-07-31 2007-10-11 Victor Company Of Japan Datenkompressionskodierer, -dekodierer und Aufzeichnungsmedium
JP2002504277A (ja) * 1997-04-18 2002-02-05 イェスパー ステーンスガール−メイセン 非線形分離および線形再接合に基づくオーバサンプルされたディジタル・アナログ変換器
US6198417B1 (en) * 1998-01-29 2001-03-06 Massachusetts Institute Of Technology Pipelined oversampling A/D converter
US6064326A (en) 1998-03-30 2000-05-16 Silicon Laboratories, Inc. Analog-to-digital conversion overload detection and suppression
WO2000008765A2 (en) * 1998-08-06 2000-02-17 Steensgaard Madsen Jesper Delta-sigma a/d converter
US6154161A (en) * 1998-10-07 2000-11-28 Atmel Corporation Integrated audio mixer
US6331833B1 (en) 1999-05-07 2001-12-18 Cadence Design Systems, Inc. Highly linear sigma-delta modulator having graceful degradation of signal-to-noise ratio in overload condition
KR100334057B1 (ko) * 1999-06-26 2002-04-26 윤덕용 혼합모드 적분기를 이용한 시그마-델타 아날로그-디지털 변환기
US6346898B1 (en) * 2000-08-07 2002-02-12 Audio Logic, Inc. Multilevel analog to digital data converter having dynamic element matching in a reference data path
US6433726B1 (en) * 2001-06-22 2002-08-13 Koninklijke Philips Electronics N.V. Fractional decimation filter using oversampled data
US6429797B1 (en) * 2001-07-05 2002-08-06 International Business Machines Corporation Decimation filter for a bandpass delta-sigma ADC
DE10204442C2 (de) 2002-02-04 2003-12-24 Bosch Gmbh Robert Verfahren zur Korrektur von Nichtlinearitäten eines Ausgangssignals eines elektrischen Bauelements, insbesondere eines Messumformers
KR100558481B1 (ko) * 2003-01-03 2006-03-07 삼성전자주식회사 양자화 잡음을 감소시킬 수 있는 델타 시그마 변조기

Also Published As

Publication number Publication date
DE602004013177T2 (de) 2009-06-18
US7212137B2 (en) 2007-05-01
WO2005036757A1 (en) 2005-04-21
EP1678832B1 (de) 2008-04-16
US20050080494A1 (en) 2005-04-14
EP1678832A1 (de) 2006-07-12
ATE392744T1 (de) 2008-05-15

Similar Documents

Publication Publication Date Title
WO2003075603A3 (en) Digital microphone
Candy et al. Oversampling delta-sigma data converters: theory, design, and simulation
ATE522980T1 (de) Sigma-delta-modulation mit offset
WO2004066540A3 (en) Signal processing system with baseband noise modulation and noise fold back reduction
WO2008033686A3 (en) Analog-to-digital converter (adc) having a reduced number of quantizer output levels
DK1724930T3 (da) Sigma-Delta modulator med lavt effektforbrug
WO2004042932A3 (en) Converter, circuit and method for compensation of non-idealities in continuous time sigma delta converters
WO2005011181A3 (en) Device and method for signal processing
ATE441980T1 (de) Digitale sigma-delta-modulatoren
ATE132675T1 (de) Digitaler datenumsetzer
DE602004013177D1 (de) Delta-sigma-modulator mit integraldezimierung
ATE325468T1 (de) Sigma-delta modulation
DE602006012226D1 (de) Architektur zur kombination eines zeitkontinuierlichen status mit einem schaltkondensatorstatus für digital-analog-wandler und tiefpassfilter
CN102077467A (zh) 传感器接口装置和放大器
TW200638688A (en) Multibit △ Σ modulation type DA converter
AU2003268038A1 (en) Adaptable spatial notch filter
ATE389969T1 (de) Filter zur eliminierung der überschwingungen
DE60115246D1 (de) Analog-Digital-Wandler mit vershiedenen Übertragungsraten
EP0798865A3 (de) Konverter für digitale Daten
Noh et al. A class-D amplifier with pulse code modulated (PCM) digital input for digital hearing aid
Yao et al. A 90dB DR audio delta-sigma DAC with headphone driver for hearing aid
TW200501592A (en) Variable rate sigma delta modulator
WO2004066501A3 (en) Coding system for minimizing digital data bandwidth
FI973919A0 (fi) Signalbehandlingfoerfarande och -anordning
WO2003063351A3 (en) Methods and systems for efficient filtering of digital signals

Legal Events

Date Code Title Description
8364 No opposition during term of opposition