ATE426270T1 - Analog-digital-wandler - Google Patents

Analog-digital-wandler

Info

Publication number
ATE426270T1
ATE426270T1 AT04011998T AT04011998T ATE426270T1 AT E426270 T1 ATE426270 T1 AT E426270T1 AT 04011998 T AT04011998 T AT 04011998T AT 04011998 T AT04011998 T AT 04011998T AT E426270 T1 ATE426270 T1 AT E426270T1
Authority
AT
Austria
Prior art keywords
analog signal
analog
digital converter
signal
sample
Prior art date
Application number
AT04011998T
Other languages
English (en)
Inventor
Patrick Clement
Original Assignee
Freescale Semiconductor Inc A
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 A filed Critical Freescale Semiconductor Inc A
Application granted granted Critical
Publication of ATE426270T1 publication Critical patent/ATE426270T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/002—Provisions or arrangements for saving power, e.g. by allowing a sleep mode, using lower supply voltage for downstream stages, using multiple clock domains or by selectively turning on stages when needed
    • 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
    • H03M3/32—Delta-sigma modulation with special provisions or arrangements for power saving, e.g. by allowing a sleep mode, using lower supply voltage for downstream stages, using multiple clock domains, by selectively turning on stages when needed
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/34—Analogue value compared with reference values
    • H03M1/36—Analogue value compared with reference values simultaneously only, i.e. parallel type
    • H03M1/361—Analogue value compared with reference values simultaneously only, i.e. parallel type having a separate comparator and reference value for each quantisation level, i.e. full flash converter type
    • 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
    • H03M3/424—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 the quantiser being a multiple bit one
    • 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
    • H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
    • H03M3/438—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path
    • H03M3/45—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path with distributed feedforward inputs, i.e. with forward paths from the modulator input 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
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
    • H03M3/438—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path
    • H03M3/454—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path with distributed feedback, i.e. with feedback paths from the quantiser output to more than one filter stage

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT04011998T 2003-05-23 2004-05-20 Analog-digital-wandler ATE426270T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0311992A GB2402006B (en) 2003-05-23 2003-05-23 Analog to digital converter

Publications (1)

Publication Number Publication Date
ATE426270T1 true ATE426270T1 (de) 2009-04-15

Family

ID=9958727

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04011998T ATE426270T1 (de) 2003-05-23 2004-05-20 Analog-digital-wandler

Country Status (5)

Country Link
US (1) US7079068B2 (de)
EP (1) EP1480342B1 (de)
AT (1) ATE426270T1 (de)
DE (1) DE602004020015D1 (de)
GB (1) GB2402006B (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7262724B2 (en) * 2005-03-31 2007-08-28 Freescale Semiconductor, Inc. System and method for adjusting dynamic range of analog-to-digital converter
US7969339B2 (en) 2006-03-23 2011-06-28 Freescale Semiconductor, Inc. Electronic device and integrated circuit comprising a delta-sigma converter and method therefor
US7570190B1 (en) * 2008-03-28 2009-08-04 Motorola, Inc. Method and system for operating a comparator
US7973689B2 (en) * 2008-09-16 2011-07-05 Semtech Corporation Bandpass multi-bit sigma-delta analog to digital conversion
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
US9130584B1 (en) * 2010-01-05 2015-09-08 Syntropy Systems, Llc Multi-mode sampling/quantization converters
US9419637B1 (en) 2010-01-05 2016-08-16 Syntropy Systems, Llc Multi-mode sampling/quantization converters
US8629899B2 (en) * 2009-08-06 2014-01-14 Qualcomm Incorporated Transforming video data in accordance with human visual system feedback metrics
US8878912B2 (en) * 2009-08-06 2014-11-04 Qualcomm Incorporated Encapsulating three-dimensional video data in accordance with transport protocols
US9083958B2 (en) * 2009-08-06 2015-07-14 Qualcomm Incorporated Transforming video data in accordance with three dimensional input formats
US8009072B2 (en) * 2009-12-19 2011-08-30 General Electric Company Predictive analog-to-digital converter and methods thereof
US9654128B2 (en) 2010-01-05 2017-05-16 Syntropy Systems, Llc Multi-mode sampling/quantization converters
JP5905825B2 (ja) * 2010-09-10 2016-04-20 日本電気株式会社 送信機、制御方法、コンピュータプログラム、およびδς変調器
US8325073B2 (en) 2010-11-30 2012-12-04 Qualcomm Incorporated Performing enhanced sigma-delta modulation
US8471749B2 (en) 2011-07-18 2013-06-25 Freescale Semiconductor, Inc. Comparator
US8836566B2 (en) 2013-02-21 2014-09-16 Freescale Semiconductor, Inc. Low power quantizer for analog to digital converter
US9221679B2 (en) 2013-03-12 2015-12-29 Freescale Semiconductor, Inc. Compensation and calibration for MEMS devices
US8970419B2 (en) * 2013-06-27 2015-03-03 Xilinx, Inc. Windowing for high-speed analog-to-digital conversion
US9148169B2 (en) 2014-02-25 2015-09-29 Freescale Semiconductor, Inc. Multiple bit sigma-delta modulator with a common mode compensated quantizer
US9214948B2 (en) * 2014-04-17 2015-12-15 Cirrus Logic, Inc. Comparator tracking control scheme with dynamic window length
EP2940874B1 (de) * 2014-04-30 2019-08-07 Dialog Semiconductor (UK) Limited Parallelumsetzerkapazitätsreduktionsverfahren
US9621175B2 (en) 2015-02-11 2017-04-11 Syntropy Systems, Llc Sampling/quantization converters
US10284221B2 (en) * 2017-04-21 2019-05-07 Analog Devices, Inc. Power-efficient flash quantizer for delta sigma converter
US11722146B1 (en) * 2022-01-21 2023-08-08 Nxp B.V. Correction of sigma-delta analog-to-digital converters (ADCs) using neural networks

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5327131A (en) * 1991-11-07 1994-07-05 Kawasaki Steel Corporation Parallel A/D converter having comparator threshold voltages defined by MOS transistor geometries
US5727023A (en) * 1992-10-27 1998-03-10 Ericsson Inc. Apparatus for and method of speech digitizing
US5648779A (en) * 1994-12-09 1997-07-15 Advanced Micro Devices, Inc. Sigma-delta modulator having reduced delay from input to output
US5790061A (en) * 1995-02-24 1998-08-04 Nec Corporation Adaptive A/D converting device for adaptively converting and input analog signal into an output digital signal having a constant quantizing error
US5751615A (en) * 1995-11-14 1998-05-12 Advanced Micro Devices, Inc. Implementation of a digital decimation filter and method
US6546044B1 (en) * 1996-10-11 2003-04-08 Ericsson Inc. Dual-mode radiotelephone apparatus for digital or analog modulation
US6097251A (en) * 1998-05-29 2000-08-01 Telefonaktiebolaget Lm Ericsson Pre-recorded sigma delta values for power amplifier control
EP0940922B1 (de) * 1998-03-03 2002-12-04 Motorola Semiconducteurs S.A. Frequenzsynthetisierer
US6081219A (en) * 1998-05-05 2000-06-27 Lucent Technology, Inc. Power saving arrangement for a flash A/D converter
US6101224A (en) * 1998-10-07 2000-08-08 Telefonaktiebolaget Lm Ericsson Method and apparatus for generating a linearly modulated signal using polar modulation
US6188347B1 (en) * 1999-07-12 2001-02-13 National Instruments Corporation Analog-to-digital conversion system and method with reduced sparkle codes
US6373423B1 (en) * 1999-12-14 2002-04-16 National Instruments Corporation Flash analog-to-digital conversion system and method with reduced comparators

Also Published As

Publication number Publication date
GB2402006B (en) 2005-08-10
US7079068B2 (en) 2006-07-18
GB2402006A (en) 2004-11-24
DE602004020015D1 (de) 2009-04-30
GB0311992D0 (en) 2003-07-02
EP1480342A2 (de) 2004-11-24
US20040233091A1 (en) 2004-11-25
EP1480342A3 (de) 2005-01-19
EP1480342B1 (de) 2009-03-18

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