DE69417978D1 - Analog Digitalwandler mit Zittersignal - Google Patents

Analog Digitalwandler mit Zittersignal

Info

Publication number
DE69417978D1
DE69417978D1 DE69417978T DE69417978T DE69417978D1 DE 69417978 D1 DE69417978 D1 DE 69417978D1 DE 69417978 T DE69417978 T DE 69417978T DE 69417978 T DE69417978 T DE 69417978T DE 69417978 D1 DE69417978 D1 DE 69417978D1
Authority
DE
Germany
Prior art keywords
digital converter
analog digital
dither signal
dither
analog
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.)
Expired - Lifetime
Application number
DE69417978T
Other languages
English (en)
Other versions
DE69417978T2 (de
Inventor
Herbert M K Chen
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.)
Advanced Micro Devices Inc
Original Assignee
Advanced Micro Devices 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 Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Publication of DE69417978D1 publication Critical patent/DE69417978D1/de
Application granted granted Critical
Publication of DE69417978T2 publication Critical patent/DE69417978T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • H03M3/456—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 first order loop filter in the feedforward path

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69417978T 1993-09-24 1994-08-17 Analog Digitalwandler mit Zittersignal Expired - Lifetime DE69417978T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/126,545 US5416481A (en) 1993-09-24 1993-09-24 Analog-to-digital converter with multi-level dither current input

Publications (2)

Publication Number Publication Date
DE69417978D1 true DE69417978D1 (de) 1999-05-27
DE69417978T2 DE69417978T2 (de) 1999-12-02

Family

ID=22425407

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69417978T Expired - Lifetime DE69417978T2 (de) 1993-09-24 1994-08-17 Analog Digitalwandler mit Zittersignal

Country Status (4)

Country Link
US (1) US5416481A (de)
EP (1) EP0645893B1 (de)
JP (1) JPH07162307A (de)
DE (1) DE69417978T2 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5719572A (en) * 1994-07-08 1998-02-17 Cirrus Logic, Inc. Digital signal processor with reduced pattern dependent noise
US5801652A (en) * 1994-07-08 1998-09-01 Cirrus Logic, Inc. Pattern dependent noise reduction in a digital processing circuit utilizing image circuitry
US5594324A (en) * 1995-03-31 1997-01-14 Space Systems/Loral, Inc. Stabilized power converter having quantized duty cycle
FR2741213B1 (fr) * 1995-11-13 1998-01-30 Valeo Electronique Procede et dispositif de conversion analogique/numerique, notamment pour unite de controle de temperature dans un vehicule automobile
US6426663B1 (en) * 1996-03-04 2002-07-30 Delphi Technologies, Inc. Analog/digital feedback circuitry for minimizing DC offset variations in an analog signal
US5835038A (en) * 1997-05-08 1998-11-10 Burr-Brown Corporation DC dither circuitry and method for delta-sigma modulator
US6016113A (en) * 1997-06-26 2000-01-18 Binder; Yehuda System for enhancing the accuracy of analog-digital-analog conversions
US5905453A (en) * 1997-08-04 1999-05-18 Motorola, Inc. Dithered sigma delta modulator having programmable full scale range adjustment
US6172629B1 (en) * 1998-02-19 2001-01-09 Lucent Technologies Inc. Multistage analog-to-digital converter employing dither
JP2000116027A (ja) * 1998-03-10 2000-04-21 Fiderikkusu:Kk 電源装置
DK199901004A (da) * 1999-07-09 2001-01-10 Telital R & D Denmark As Sigma-delta modulator
IT1313392B1 (it) * 1999-07-19 2002-07-23 St Microelectronics Srl Convertitore ea analogico/digitalte con dither adattativo.
US6404364B1 (en) 2000-08-24 2002-06-11 Agere Systems Guardian Corp. Multistage converter employing digital dither
JP3718830B2 (ja) 2001-02-26 2005-11-24 株式会社日立製作所 電力変換装置
US6661360B2 (en) * 2002-02-12 2003-12-09 Broadcom Corporation Analog to digital converter that services voice communications
US7224305B2 (en) 2004-06-08 2007-05-29 Telefonaktiebolaget L M Ericsson (Publ) Analog-to-digital modulation
US6980145B1 (en) * 2004-07-30 2005-12-27 Broadcom Corporation System and method for noise cancellation in a signal processing circuit
EP1633051A1 (de) * 2004-09-06 2006-03-08 Berner Fachhochschule Hochschule für Technic und Architektur Biel Sigma-Delta Modulator und Sigma-Delta A/D-Wandler
US7042375B1 (en) * 2005-03-29 2006-05-09 Broadcom Corporation System and method using dither to tune a filter
US7321325B2 (en) * 2005-07-07 2008-01-22 Realtek Semiconductor Corp. Background calibration of continuous-time delta-sigma modulator
JP4687512B2 (ja) * 2006-03-08 2011-05-25 トヨタ自動車株式会社 Δς型ａｄ変換器
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
JP4899843B2 (ja) * 2006-12-07 2012-03-21 富士電機株式会社 モータ制御装置
JP4816508B2 (ja) * 2007-03-02 2011-11-16 ヤマハ株式会社 Δς型ａｄ変換器およびｄ級アンプ並びにｄｃ−ｄｃ変換器
JP4856659B2 (ja) * 2008-01-30 2012-01-18 ルネサスエレクトロニクス株式会社 半導体集積回路装置
US7999620B2 (en) * 2008-12-12 2011-08-16 Analog Devices, Inc. Amplifier with dither
JP2010199799A (ja) * 2009-02-24 2010-09-09 Renesas Electronics Corp アナログデジタル変換回路
US20100259322A1 (en) * 2009-04-06 2010-10-14 Bridge Semiconductor Corporation Readout circuit and system including same
US8672542B2 (en) * 2010-05-26 2014-03-18 Honeywell International Inc. High resolution measurement of thermistor thermometry signals with wide dynamic range
GB201102562D0 (en) * 2011-02-14 2011-03-30 Nordic Semiconductor Asa Analogue-to-digital converter
US9042354B2 (en) 2012-03-09 2015-05-26 Cambridge Silicon Radio Limited Controlling stations' access to a communications medium
US8730076B2 (en) * 2012-07-30 2014-05-20 Cambridge Silicon Radio Limited Spur reduction circuit
JP6346041B2 (ja) * 2014-09-12 2018-06-20 横河電機株式会社 帰還型パルス幅変調ａ／ｄ変換装置
CN106534015B (zh) * 2016-11-03 2018-02-09 无锡华润矽科微电子有限公司 针对pma标准的无线充电设备调频信号的解调方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6013614B2 (ja) * 1979-08-27 1985-04-08 タケダ理研工業株式会社 アナログ−デイジタル変換器
GB2144285B (en) * 1983-07-29 1986-09-24 Raymond Allan Belcher Analague-to-digital and digital-to-analogue conversion
GB8426822D0 (en) * 1984-10-23 1984-11-28 Day S Static electricity meter
US4855745A (en) * 1987-10-14 1989-08-08 Smither Miles A High resolution analog-to-digital converter
JP2647136B2 (ja) * 1988-05-13 1997-08-27 株式会社東芝 アナログ−デジタル変換回路
JP3012887B2 (ja) * 1989-03-13 2000-02-28 日本テキサス・インスツルメンツ株式会社 信号変換装置
US5144308A (en) * 1991-05-21 1992-09-01 At&T Bell Laboratories Idle channel tone and periodic noise suppression for sigma-delta modulators using high-level dither
US5305005A (en) * 1991-06-27 1994-04-19 Tdk Corporation Analog to digital converter system

Also Published As

Publication number Publication date
US5416481A (en) 1995-05-16
EP0645893A1 (de) 1995-03-29
DE69417978T2 (de) 1999-12-02
EP0645893B1 (de) 1999-04-21
JPH07162307A (ja) 1995-06-23

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Legal Events

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