DE69422585D1 - Kaskadierte Sigma-Delta-Modulatoren - Google Patents

Kaskadierte Sigma-Delta-Modulatoren

Info

Publication number
DE69422585D1
DE69422585D1 DE69422585T DE69422585T DE69422585D1 DE 69422585 D1 DE69422585 D1 DE 69422585D1 DE 69422585 T DE69422585 T DE 69422585T DE 69422585 T DE69422585 T DE 69422585T DE 69422585 D1 DE69422585 D1 DE 69422585D1
Authority
DE
Germany
Prior art keywords
delta modulators
cascaded sigma
cascaded
sigma
modulators
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
DE69422585T
Other languages
English (en)
Other versions
DE69422585T2 (de
Inventor
Carlin Dru Cabler
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.)
GlobalFoundries 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 DE69422585D1 publication Critical patent/DE69422585D1/de
Application granted granted Critical
Publication of DE69422585T2 publication Critical patent/DE69422585T2/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
    • H03M3/39—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
    • H03M3/414—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type
    • H03M3/418—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the number of quantisers and their type and resolution having multiple quantisers arranged in cascaded loops, each of the second and further loops processing the quantisation error of the loop preceding it, i.e. multiple stage noise shaping [MASH] type all these quantisers being single bit quantisers

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69422585T 1993-11-03 1994-10-26 Kaskadierte Sigma-Delta-Modulatoren Expired - Lifetime DE69422585T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/147,062 US5446460A (en) 1993-11-03 1993-11-03 Fourth-order cascaded sigma-delta modulator

Publications (2)

Publication Number Publication Date
DE69422585D1 true DE69422585D1 (de) 2000-02-17
DE69422585T2 DE69422585T2 (de) 2000-08-10

Family

ID=22520173

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69422585T Expired - Lifetime DE69422585T2 (de) 1993-11-03 1994-10-26 Kaskadierte Sigma-Delta-Modulatoren

Country Status (4)

Country Link
US (1) US5446460A (de)
EP (1) EP0651518B1 (de)
JP (1) JP3290314B2 (de)
DE (1) DE69422585T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5598158A (en) * 1994-11-02 1997-01-28 Advanced Micro Devices, Inc. Digital noise shaper circuit
US5793811A (en) * 1996-04-09 1998-08-11 Winbond Electronics Corporation Stabilization scheme of delta-sigma modulator
US5754592A (en) * 1996-07-02 1998-05-19 Amati Communications Corporation Method and apparatus for randomized oversampling
GB2319933B (en) * 1996-11-27 2001-07-25 Sony Uk Ltd Signal processors
JPH11308110A (ja) * 1998-04-20 1999-11-05 Asahi Kasei Micro Syst Co Ltd デルタシグマ型アナログデジタル変換器
WO2000069078A1 (de) * 1999-05-05 2000-11-16 Infineon Technologies Ag Sigma-delta-analog/digital-wandleranordnung
JP4209035B2 (ja) * 1999-05-28 2009-01-14 株式会社ルネサステクノロジ Δςモジュレータ、ｄａコンバータ、および、ａｄコンバータ
CA2294404C (en) * 2000-01-07 2004-11-02 Tadeuse A. Kwasniewski Delta-sigma modulator for fractional-n frequency synthesis
US6373418B1 (en) * 2000-05-25 2002-04-16 Rockwell Collins, Inc. Nyquist response restoring delta-sigma modulator based analog to digital and digital to analog conversion
JP4530119B2 (ja) * 2001-06-08 2010-08-25 ルネサスエレクトロニクス株式会社 ディジタルδςモジュレータおよびそれを用いたｄ／ａコンバータ
KR100558481B1 (ko) * 2003-01-03 2006-03-07 삼성전자주식회사 양자화 잡음을 감소시킬 수 있는 델타 시그마 변조기
US6788232B1 (en) * 2003-01-14 2004-09-07 Berkana Wireless, Inc. Sigma delta modulator
US7034728B2 (en) * 2004-08-11 2006-04-25 Raytheon Company Bandpass delta-sigma modulator with distributed feedforward paths
US7626525B2 (en) 2007-05-03 2009-12-01 Texas Instruments Incorporated Feed-forward circuitry and corresponding error cancellation circuit for cascaded delta-sigma modulator

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4704600A (en) * 1985-02-04 1987-11-03 Nippon Telegraph And Telephone Corporation Oversampling converter
JPH01204528A (ja) * 1988-02-10 1989-08-17 Fujitsu Ltd Ａ／ｄ変換器
FI80548C (fi) * 1988-11-09 1990-06-11 Nokia Oy Ab Foerfarande foer kaskadkoppling av tvao eller flera sigma-deltamodulatorer samt ett sigma-delta-modulatorsystem.
US5148166A (en) * 1990-04-06 1992-09-15 General Electric Company Third order sigma delta oversampled analog-to-digital converter network with low component sensitivity
US5148167A (en) 1990-04-06 1992-09-15 General Electric Company Sigma-delta oversampled analog-to-digital converter network with chopper stabilization
US5065157A (en) * 1990-04-06 1991-11-12 General Electric Company High order sigma delta oversampled analog-to-digital converter integrated circuit network with minimal power dissipation and chip area requirements
US5103229A (en) * 1990-04-23 1992-04-07 General Electric Company Plural-order sigma-delta analog-to-digital converters using both single-bit and multiple-bit quantization
US5153593A (en) * 1990-04-26 1992-10-06 Hughes Aircraft Company Multi-stage sigma-delta analog-to-digital converter
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
EP0559944B1 (de) * 1992-03-12 1996-02-28 Siemens Aktiengesellschaft Sigma-Delta-Modulator
US5283578A (en) * 1992-11-16 1994-02-01 General Electric Company Multistage bandpass Δ Σ modulators and analog-to-digital converters

Also Published As

Publication number Publication date
JP3290314B2 (ja) 2002-06-10
EP0651518A1 (de) 1995-05-03
JPH07193506A (ja) 1995-07-28
US5446460A (en) 1995-08-29
DE69422585T2 (de) 2000-08-10
EP0651518B1 (de) 2000-01-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: GLOBALFOUNDRIES, INC., GARAND CAYMAN, KY