ATE272913T1 - Korrektur nichtlinearer ausgangsverzerrung in einen delta-sigma d/a-wandler - Google Patents

Korrektur nichtlinearer ausgangsverzerrung in einen delta-sigma d/a-wandler

Info

Publication number
ATE272913T1
ATE272913T1 AT99956503T AT99956503T ATE272913T1 AT E272913 T1 ATE272913 T1 AT E272913T1 AT 99956503 T AT99956503 T AT 99956503T AT 99956503 T AT99956503 T AT 99956503T AT E272913 T1 ATE272913 T1 AT E272913T1
Authority
AT
Austria
Prior art keywords
delta sigma
sigma modulator
output
converter
delta
Prior art date
Application number
AT99956503T
Other languages
English (en)
Inventor
John Laurence Melanson
Original Assignee
Audiologic 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 Audiologic Inc filed Critical Audiologic Inc
Application granted granted Critical
Publication of ATE272913T1 publication Critical patent/ATE272913T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G06F1/025—Digital function generators for functions having two-valued amplitude, e.g. Walsh functions
    • 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
    • H03M3/38—Calibration
    • H03M3/386—Calibration over the full range of the converter, e.g. for correcting differential non-linearity
    • H03M3/388—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by storing corrected or correction values in one or more digital look-up tables
    • 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
    • H03M7/3031—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path
    • H03M7/3033—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator having a higher order loop filter in the feedforward path, e.g. with distributed feedforward inputs
    • H03M7/304—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator having a higher order loop filter in the feedforward path, e.g. with distributed feedforward inputs with distributed feedback, i.e. with feedback paths from the quantiser output to more than one filter stage
    • 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
    • H03M3/50—Digital/analogue converters using delta-sigma modulation as an intermediate step
    • H03M3/502—Details of the final digital/analogue conversion following the digital delta-sigma modulation
    • H03M3/506—Details of the final digital/analogue conversion following the digital delta-sigma modulation the final digital/analogue converter being constituted by a pulse width modulator
    • 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
    • H03M7/302—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution
    • H03M7/3024—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
    • H03M7/3026—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a multiple bit one

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Amplifiers (AREA)
AT99956503T 1998-09-29 1999-09-29 Korrektur nichtlinearer ausgangsverzerrung in einen delta-sigma d/a-wandler ATE272913T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/163,235 US6150969A (en) 1996-06-12 1998-09-29 Correction of nonlinear output distortion in a Delta Sigma DAC
PCT/US1999/022621 WO2000019615A2 (en) 1998-09-29 1999-09-29 Correction of nonlinear output distortion in a delta sigma dac

Publications (1)

Publication Number Publication Date
ATE272913T1 true ATE272913T1 (de) 2004-08-15

Family

ID=22589064

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99956503T ATE272913T1 (de) 1998-09-29 1999-09-29 Korrektur nichtlinearer ausgangsverzerrung in einen delta-sigma d/a-wandler

Country Status (6)

Country Link
US (1) US6150969A (de)
EP (1) EP1116333B1 (de)
AT (1) ATE272913T1 (de)
AU (1) AU1310000A (de)
DE (1) DE69919185T2 (de)
WO (1) WO2000019615A2 (de)

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JPH11284514A (ja) * 1998-01-27 1999-10-15 Matsushita Electric Ind Co Ltd Ｄ／ａ変換装置及び方法
US6480129B1 (en) * 1999-02-23 2002-11-12 Cirrus Logic, Inc. Methods and apparatus for correction of higher order delta sigma converters
TW443039B (en) * 1999-05-20 2001-06-23 Ind Tech Res Inst Sigma-delta modulator by using method of local nonlinear feedback loop
US6693571B2 (en) 2000-05-10 2004-02-17 Cirrus Logic, Inc. Modulation of a digital input signal using a digital signal modulator and signal splitting
US6501405B1 (en) * 2000-06-13 2002-12-31 Ikanos Communication, Inc. Method and apparatus for digital to analog conversion with distortion calibration
US6482749B1 (en) * 2000-08-10 2002-11-19 Seh America, Inc. Method for etching a wafer edge using a potassium-based chemical oxidizer in the presence of hydrofluoric acid
US7142819B1 (en) * 2000-08-30 2006-11-28 Cirrus Logic, Inc. Circuits and methods for controlling switching noise in switched-mode circuits
US6351229B1 (en) * 2000-09-05 2002-02-26 Texas Instruments Incorporated Density-modulated dynamic dithering circuits and method for delta-sigma converter
US6466087B2 (en) * 2000-12-28 2002-10-15 Nokia Mobile Phones, Ltd. Method and apparatus providing digital error correction for a class D power stage
US6504427B2 (en) 2001-05-31 2003-01-07 Motorola, Inc. Switching amplifier having digital correction and method therefor
US6426714B1 (en) * 2001-06-26 2002-07-30 Nokia Corporation Multi-level quantizer with current mode DEM switch matrices and separate DEM decision logic for a multibit sigma delta modulator
US6933871B2 (en) * 2001-09-17 2005-08-23 Cirrus Logic, Inc. Feedback steering delta-sigma modulators and systems using the same
US6724332B1 (en) * 2002-08-13 2004-04-20 Cirrus Logic, Inc. Noise shaping circuits and methods with feedback steering overload compensation and systems using the same
US7092476B1 (en) * 2001-12-06 2006-08-15 Cirrus Logic, Inc. Direct synthesis clock generation circuits and methods
AT411415B (de) * 2001-12-11 2003-12-29 Bier Guenther Ing Verfahren und vorrichtung zur erzeugung einer einem eingangs-datenstrom folgenden wechselspannung
US6697000B2 (en) * 2002-03-08 2004-02-24 Zarlink Semiconductor (U.S.) Inc. Delta-sigma modulator with feed-forward path
US20040004994A1 (en) * 2002-07-03 2004-01-08 Dolly Wu Temperature sensing read-out system for an integrated circuit
JP2004104228A (ja) * 2002-09-05 2004-04-02 Matsushita Electric Ind Co Ltd 信号処理装置および信号処理方法、デルタ・シグマ変調型分数分周ｐｌｌ周波数シンセサイザ、無線通信機器、デルタ・シグマ変調型ｄ／ａ変換器
US6710729B1 (en) * 2002-10-10 2004-03-23 Faraday Technology Corp. Idle channel tone and periodic noise suppression for sigma-delta modulator using feedback-quantizer
US6727832B1 (en) * 2002-11-27 2004-04-27 Cirrus Logic, Inc. Data converters with digitally filtered pulse width modulation output stages and methods and systems using the same
US6762704B1 (en) 2002-12-09 2004-07-13 Cirrus Logic, Inc. Modulation of a digital input signal using multiple digital signal modulators
US6741123B1 (en) * 2002-12-26 2004-05-25 Cirrus Logic, Inc. Delta-sigma amplifiers with output stage supply voltage variation compensation and methods and digital amplifier systems using the same
DE10326273B4 (de) * 2003-06-11 2008-06-12 Advanced Micro Devices, Inc., Sunnyvale Verfahren zur Reduzierung der Scheibenkontaminierung durch Entfernen von Metallisierungsunterlagenschichten am Scheibenrand
EP1489430B1 (de) * 2003-06-17 2006-10-04 Agilent Technologies Inc Sigma-Delta-Modulator mit Pulsbreitenmodulations-Ausgang
US7212137B2 (en) * 2003-10-09 2007-05-01 Cirrus Logic, Inc. Delta sigma modulator with integral decimation
JP3718706B2 (ja) * 2003-10-28 2005-11-24 松下電器産業株式会社 デルタ・シグマ変調装置
WO2005096502A1 (en) * 2004-04-02 2005-10-13 Kaben Research Inc. Multiple stage delta sigma modulators
EP1624577B1 (de) * 2004-08-06 2008-07-23 Verigy (Singapore) Pte. Ltd. Verbesserte Analogsignalerzeugung mittels eines Delta-Sigma Modulators
US7289050B1 (en) * 2005-06-27 2007-10-30 Qualcomm Incorporated Amplification method and apparatus
KR101001115B1 (ko) * 2005-06-27 2010-12-14 퀄컴 인코포레이티드 각종 증폭 관련 동작을 수행하기 위해 증폭기를 구현 및이용하는 방법 및 장치
US7327295B1 (en) 2005-10-24 2008-02-05 Cirrus Logic, Inc. Constant edge-rate ternary output consecutive-edge modulator (CEM) method and apparatus
US8014879B2 (en) * 2005-11-11 2011-09-06 L&L Engineering, Llc Methods and systems for adaptive control
US7167118B1 (en) 2005-12-08 2007-01-23 Cirrus Logic, Inc. Centered-pulse consecutive edge modulation (CEM) method and apparatus
US7209067B1 (en) * 2005-12-08 2007-04-24 Cirrus Logic, Inc. Extended dynamic range consecutive edge modulation (CEM) method and apparatus
US7307565B1 (en) 2005-12-22 2007-12-11 Cirrus Logic, Inc. Signal processing system with delta-sigma modulation and FIR filter post processing to reduce near out of band noise
US7342525B2 (en) * 2005-12-23 2008-03-11 Cirrus Logic, Inc. Sample rate conversion combined with DSM
US7242326B1 (en) * 2005-12-23 2007-07-10 Cirrus Logic, Inc. Sample rate conversion combined with filter
US7262717B2 (en) * 2005-12-23 2007-08-28 Cirrus Logic, Inc. Sample rate conversion combined with filter
US7183957B1 (en) * 2005-12-30 2007-02-27 Cirrus Logic, Inc. Signal processing system with analog-to-digital converter using delta-sigma modulation having an internal stabilizer loop
US7209064B1 (en) 2006-03-03 2007-04-24 Cirrus Logic, Inc. Signal processing system with spreading of a spectrum of harmonic frequencies of a pulse width modulator output signal
US7432842B1 (en) 2006-03-03 2008-10-07 Cirrus Logic, Inc. Multi-channel pulse width modulated signal interleave and inversion
US7327296B1 (en) 2006-03-03 2008-02-05 Cirrus Logic, Inc. Signal processing system with modified delta sigma modulator quantizer output signals to spread harmonic frequencies of pulse width modulator output signals
GB0611639D0 (en) * 2006-06-12 2006-07-19 Global Silicon Ltd A sigma-delta modulator
US20080000431A1 (en) * 2006-06-29 2008-01-03 Stephen Longo Dog leash assembly
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
US7554473B2 (en) * 2007-05-02 2009-06-30 Cirrus Logic, Inc. Control system using a nonlinear delta-sigma modulator with nonlinear process modeling
US7696913B2 (en) 2007-05-02 2010-04-13 Cirrus Logic, Inc. Signal processing system using delta-sigma modulation having an internal stabilizer path with direct output-to-integrator connection
US8242941B2 (en) 2007-11-20 2012-08-14 The Tc Group A/S Pulse modulation A/D-converter with feedback
US7782237B2 (en) * 2008-06-13 2010-08-24 The Board Of Trustees Of The Leland Stanford Junior University Semiconductor sensor circuit arrangement
DE102011121139B4 (de) * 2011-12-15 2016-11-24 IAD Gesellschaft für Informatik, Automatisierung und Datenverarbeitung mbH Vorrichtung mit einem Delta-Sigma-Modulator und einer mit diesem verbundenen MOSFET-Endstufe
US8653996B2 (en) * 2012-02-10 2014-02-18 Analog Devices, Inc. Stability correction for a shuffler of a Σ-delta ADC
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
US9425817B1 (en) * 2015-11-19 2016-08-23 Cirrus Logic International Semiconductor Ltd. High order correction for pulse width modulation (PWM) digital/analog converters with reduced computation
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
US12551155B1 (en) 2018-12-11 2026-02-17 Arrowhead Center, Inc. Electrocardiogram sensing and processing
US12431913B1 (en) 2022-06-22 2025-09-30 Arrowhead Center, Inc. Dynamic predictive sampling and processing

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GB9103777D0 (en) * 1991-02-22 1991-04-10 B & W Loudspeakers Analogue and digital convertors
US5327133A (en) * 1993-02-16 1994-07-05 Motorola, Inc. Digital integrator with reduced circuit area and analog-to-digital converter using same
GB9318238D0 (en) * 1993-09-02 1993-10-20 B & W Loudspeakers Digital converter
US5815102A (en) * 1996-06-12 1998-09-29 Audiologic, Incorporated Delta sigma pwm dac to reduce switching
US5838272A (en) * 1997-04-17 1998-11-17 President And Fellows Of Harvard College Error correcting sigma-delta modulation decoding

Also Published As

Publication number Publication date
WO2000019615A2 (en) 2000-04-06
US6150969A (en) 2000-11-21
WO2000019615A3 (en) 2000-05-25
AU1310000A (en) 2000-04-17
EP1116333B1 (de) 2004-08-04
DE69919185T2 (de) 2006-06-22
EP1116333A2 (de) 2001-07-18
DE69919185D1 (de) 2004-09-09

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