DK199901004A - Sigma-delta modulator - Google Patents

Sigma-delta modulator

Info

Publication number
DK199901004A
DK199901004A DK199901004A DKPA199901004A DK199901004A DK 199901004 A DK199901004 A DK 199901004A DK 199901004 A DK199901004 A DK 199901004A DK PA199901004 A DKPA199901004 A DK PA199901004A DK 199901004 A DK199901004 A DK 199901004A
Authority
DK
Denmark
Prior art keywords
sigma
delta modulator
modulator
delta
Prior art date
Application number
DK199901004A
Other languages
English (en)
Inventor
Amtoft Torben
Original Assignee
Telital R & D Denmark As
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 Telital R & D Denmark As filed Critical Telital R & D Denmark As
Priority to DK199901004A priority Critical patent/DK199901004A/da
Priority to EP00945653A priority patent/EP1212837A2/en
Priority to AU59657/00A priority patent/AU5965700A/en
Priority to CN00810110A priority patent/CN1360759A/zh
Priority to PCT/DK2000/000382 priority patent/WO2001005037A2/en
Publication of DK199901004A publication Critical patent/DK199901004A/da

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
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/478—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication
    • H03M3/48—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication characterised by the type of range control, e.g. limiting
    • H03M3/482—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication characterised by the type of range control, e.g. limiting by adapting the quantisation step size
    • 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
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
    • H03M3/478—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication
    • H03M3/488—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication using automatic control
    • H03M3/49—Means for controlling the correspondence between the range of the input signal and the range of signals the converter can handle; Means for out-of-range indication using automatic control in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DK199901004A 1999-07-09 1999-07-09 Sigma-delta modulator DK199901004A (da)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DK199901004A DK199901004A (da) 1999-07-09 1999-07-09 Sigma-delta modulator
EP00945653A EP1212837A2 (en) 1999-07-09 2000-07-10 Sigma-delta modulator
AU59657/00A AU5965700A (en) 1999-07-09 2000-07-10 Sigma-delta modulator
CN00810110A CN1360759A (zh) 1999-07-09 2000-07-10 ∑－△调制器
PCT/DK2000/000382 WO2001005037A2 (en) 1999-07-09 2000-07-10 Sigma-delta modulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK199901004A DK199901004A (da) 1999-07-09 1999-07-09 Sigma-delta modulator

Publications (1)

Publication Number Publication Date
DK199901004A true DK199901004A (da) 2001-01-10

Family

ID=8099934

Family Applications (1)

Application Number Title Priority Date Filing Date
DK199901004A DK199901004A (da) 1999-07-09 1999-07-09 Sigma-delta modulator

Country Status (5)

Country Link
EP (1) EP1212837A2 (da)
CN (1) CN1360759A (da)
AU (1) AU5965700A (da)
DK (1) DK199901004A (da)
WO (1) WO2001005037A2 (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4539446B2 (ja) * 2004-06-24 2010-09-08 ソニー株式会社 デルタシグマ変調装置及びデルタシグマ変調方法
CN101499282B (zh) * 2008-02-03 2012-03-07 深圳艾科创新微电子有限公司 一种语音模数转换方法及装置
CN101267413B (zh) * 2008-03-18 2011-04-27 北京天碁科技有限公司 射频发射方法和***及震荡波形生成器、σ-δ调制器和移动终端
FR2983371B1 (fr) * 2011-11-24 2014-01-10 Commissariat Energie Atomique Dispositif imageur comprenant un circuit de conversion analogique-numerique par injection de charges en quantite variable en fonction du nombre d'injections precedentes
EP3565124A1 (en) * 2018-05-03 2019-11-06 ams AG Delta-sigma modulator with a automatic gain control in the feedback loop

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991011863A1 (en) * 1990-01-31 1991-08-08 Analog Devices, Inc. Sigma delta modulator
US5416481A (en) * 1993-09-24 1995-05-16 Advanced Micro Devices, Inc. Analog-to-digital converter with multi-level dither current input
US5471209A (en) * 1994-03-03 1995-11-28 Echelon Corporation Sigma-delta converter having a digital logic gate core
SE9403736L (sv) * 1994-11-01 1996-02-19 Foersvarets Forskningsanstalt Analog-till-digitalomvandlare och sensoranordning innefattande sådan

Also Published As

Publication number Publication date
WO2001005037A2 (en) 2001-01-18
AU5965700A (en) 2001-01-30
CN1360759A (zh) 2002-07-24
WO2001005037A3 (en) 2001-09-27
EP1212837A2 (en) 2002-06-12

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment