ATE441980T1 - Digitale sigma-delta-modulatoren - Google Patents

Digitale sigma-delta-modulatoren

Info

Publication number
ATE441980T1
ATE441980T1 AT07725775T AT07725775T ATE441980T1 AT E441980 T1 ATE441980 T1 AT E441980T1 AT 07725775 T AT07725775 T AT 07725775T AT 07725775 T AT07725775 T AT 07725775T AT E441980 T1 ATE441980 T1 AT E441980T1
Authority
AT
Austria
Prior art keywords
output
signal
digital
input
digital sigma
Prior art date
Application number
AT07725775T
Other languages
English (en)
Inventor
Werner Korte
Clemens Rheinfelder
Original Assignee
Ubidyne 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 Ubidyne Inc filed Critical Ubidyne Inc
Application granted granted Critical
Publication of ATE441980T1 publication Critical patent/ATE441980T1/de

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
    • 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
    • H03M7/3042—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 being of the error feedback type, i.e. having loop filter stages in the feedback path only
    • 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
    • H03M7/3028—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 single bit one

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Optical Communication System (AREA)
AT07725775T 2006-06-02 2007-06-01 Digitale sigma-delta-modulatoren ATE441980T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US81046006P 2006-06-02 2006-06-02
GB0611096A GB2438657A (en) 2006-06-02 2006-06-02 Sigma delta modulator utilising systolic array
PCT/EP2007/004896 WO2007140951A1 (en) 2006-06-02 2007-06-01 Digital sigma-delta modulators

Publications (1)

Publication Number Publication Date
ATE441980T1 true ATE441980T1 (de) 2009-09-15

Family

ID=36745300

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07725775T ATE441980T1 (de) 2006-06-02 2007-06-01 Digitale sigma-delta-modulatoren

Country Status (6)

Country Link
US (1) US7825842B2 (de)
EP (1) EP2036206B1 (de)
AT (1) ATE441980T1 (de)
DE (1) DE602007002302D1 (de)
GB (1) GB2438657A (de)
WO (1) WO2007140951A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0615567D0 (en) 2006-08-05 2006-09-13 Lime Microsystems Ltd Broadband wireless transmitter and receiver circuitry
US8443023B2 (en) * 2007-03-13 2013-05-14 Applied Micro Circuits Corporation Frequency synthesis rational division
US8478805B1 (en) 2007-03-12 2013-07-02 Applied Micro Circuits Corporation Frequency synthesis with low resolution rational division decomposition
US8762436B1 (en) 2007-03-13 2014-06-24 Applied Micro Circuits Corporation Frequency synthesis with low resolution rational division
KR20100078194A (ko) * 2008-12-30 2010-07-08 주식회사 동부하이텍 디스플레이용 소스 드라이버
KR101593729B1 (ko) * 2009-03-31 2016-02-15 에이저 시스템즈 엘엘시 입력 신호로부터 ｒｆ 신호를 합성하기 위한 방법, 델타-시그마 변조기 및 집적 회로
GB2493913B (en) * 2011-08-19 2020-04-08 Kin Wah Kwan 1 bit delta-sigma modulation scheme with distributive error feedback
GB2493798B (en) * 2011-08-19 2016-04-27 Kwan Kin-Wah Fractional PLL frequency synthesizer employing 1 bit delta-sigma modulation scheme with distributed error feedback
US9258039B2 (en) 2011-09-08 2016-02-09 Qualcomm Incorporated Devices for sending and receiving quantization quality feedback
CN102394654A (zh) * 2011-10-10 2012-03-28 电子科技大学 一种适用于小数分频的δ-∑调制器
FR3060913A1 (fr) * 2016-12-21 2018-06-22 Universite de Bordeaux Encodeur numerique pour signaux modules, et dispositif de generation d'un signal analogique associe
KR102650109B1 (ko) 2018-06-05 2024-03-22 삼성전자주식회사 디지털 도메인에서 노이즈 쉐이핑을 수행하도록 구성되는 모듈레이터를 구현하기 위한 전자 회로
US11221980B2 (en) * 2019-10-31 2022-01-11 Sigmasense, Llc. Low voltage drive circuit operable to convey data via a bus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2408858A (en) * 1943-11-29 1946-10-08 Rca Corp Adjustment and testing of crystal rectifiers
US5345233A (en) * 1992-03-30 1994-09-06 Kabushiki Kaisha Toshiba Digital Σ-Δ modulator
US6642874B1 (en) * 2002-10-11 2003-11-04 Realtek Semiconductor Corp. Sigma-delta data conversion employing quantization error feedback
JP4856363B2 (ja) * 2003-05-22 2012-01-18 アギア システムズ インコーポレーテッド 安定な高次デルタ・シグマ誤差フィードバック変調器およびそのような変調器において使用される雑音伝達関数
GB2408858B (en) * 2003-12-05 2006-11-29 Wolfson Ltd Word length reduction circuit

Also Published As

Publication number Publication date
US20090237284A1 (en) 2009-09-24
GB0611096D0 (en) 2006-07-19
EP2036206B1 (de) 2009-09-02
DE602007002302D1 (de) 2009-10-15
US7825842B2 (en) 2010-11-02
EP2036206A1 (de) 2009-03-18
GB2438657A (en) 2007-12-05
WO2007140951A1 (en) 2007-12-13

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