ATE522980T1 - Sigma-delta-modulation mit offset - Google Patents

Sigma-delta-modulation mit offset

Info

Publication number
ATE522980T1
ATE522980T1 AT07710039T AT07710039T ATE522980T1 AT E522980 T1 ATE522980 T1 AT E522980T1 AT 07710039 T AT07710039 T AT 07710039T AT 07710039 T AT07710039 T AT 07710039T AT E522980 T1 ATE522980 T1 AT E522980T1
Authority
AT
Austria
Prior art keywords
offset
samples
sigmadelta
quantization noise
modulation
Prior art date
Application number
AT07710039T
Other languages
English (en)
Inventor
Edward Arthur Keehr
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE522980T1 publication Critical patent/ATE522980T1/de

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
    • 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
    • H03M7/3006—Compensating for, or preventing of, undesired influence of physical parameters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/04—Differential modulation with several bits, e.g. differential pulse code modulation [DPCM]
    • 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
    • H03M3/50—Digital/analogue converters using delta-sigma modulation as an intermediate step

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
AT07710039T 2006-07-19 2007-01-10 Sigma-delta-modulation mit offset ATE522980T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/489,960 US7456766B2 (en) 2006-07-19 2006-07-19 Sigma-delta modulation with offset
PCT/US2007/060340 WO2007082237A1 (en) 2006-01-11 2007-01-10 Sigma-delta modulation with offset

Publications (1)

Publication Number Publication Date
ATE522980T1 true ATE522980T1 (de) 2011-09-15

Family

ID=40155364

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07710039T ATE522980T1 (de) 2006-07-19 2007-01-10 Sigma-delta-modulation mit offset

Country Status (6)

Country Link
US (1) US7456766B2 (de)
EP (1) EP2041875B1 (de)
KR (1) KR100993155B1 (de)
CN (1) CN101379709B (de)
AT (1) ATE522980T1 (de)
WO (1) WO2007082237A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7528752B1 (en) * 2007-04-13 2009-05-05 Link—A—Media Devices Corporation Offset compensation scheme using a DAC
US7760123B2 (en) * 2007-10-08 2010-07-20 General Electric Company Data acquisition system for photon counting and energy discriminating detectors
US7825844B2 (en) 2008-02-06 2010-11-02 Qualcomm Incorporated Adaptive high-order digital-to-analog conversion
US20090240390A1 (en) * 2008-03-21 2009-09-24 Nenad Nenadic System and method for component monitoring
US8400337B1 (en) 2010-01-27 2013-03-19 Link—A—Media Devices Corporation Offset cancellation by biasing the body of a transistor
CN102340718A (zh) * 2010-07-14 2012-02-01 扬智科技股份有限公司 具有三角积分调变架构的音讯产生装置及其方法
US8571309B2 (en) * 2011-11-15 2013-10-29 At&T Intellectual Property I, L.P. System and method of image upsampling
CN102545905B (zh) * 2011-12-27 2015-05-06 华为技术有限公司 数模转换器
US9264282B2 (en) 2013-03-15 2016-02-16 Innophase, Inc. Polar receiver signal processing apparatus and methods
US9020066B2 (en) 2012-03-23 2015-04-28 Innophase Inc. Single-bit direct modulation transmitter
US8659455B2 (en) * 2012-05-30 2014-02-25 Infineon Technologies Ag System and method for operating an analog to digital converter
US9083588B1 (en) 2013-03-15 2015-07-14 Innophase, Inc. Polar receiver with adjustable delay and signal processing metho
CN103762990B (zh) * 2014-01-13 2017-01-25 东南大学 一种噪声抑制能力增强的σδ调制器结构
US10284223B2 (en) * 2015-09-15 2019-05-07 Koninklijke Philips N.V. Method of performing analog-to-digital conversion
US10141948B2 (en) * 2016-06-06 2018-11-27 Mediatek Inc. Delta-sigma modulator, analog-to-digital converter and associated signal conversion method based on multi stage noise shaping structure
CN106899304B (zh) * 2017-01-19 2020-02-18 电子科技大学 一种基于数据权重平均化方法的多比特sigma-delta调制器及调制方法
CN107809604B (zh) * 2017-10-25 2020-11-06 天津大学 用于大面阵红外图像传感器的行通道读出电路
JP6970586B2 (ja) * 2017-11-07 2021-11-24 ローム株式会社 Δς変調器
CN111083941A (zh) * 2018-08-21 2020-04-28 康姆索利德有限责任公司 模数转换器
US11152951B2 (en) 2019-12-17 2021-10-19 Stmicroelectronics International N.V. Quad switched multibit digital to analog converter and continuous time sigma-delta modulator
CN111000578B (zh) * 2019-12-25 2023-05-02 东软医疗系统股份有限公司 图像重建方法、装置、ct设备及ct系统
US11451240B2 (en) 2020-07-21 2022-09-20 Stmicroelectronics International N.V. Double data rate (DDR) quad switched multibit digital to analog converter and continuous time sigma-delta modulator
US11962317B2 (en) * 2022-05-31 2024-04-16 Qualcomm Incorporated Noise shaping in multi-stage analog-to-digital converters

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Publication number Priority date Publication date Assignee Title
GB1580447A (en) * 1976-12-01 1980-12-03 Post Office Code converters
JPH01198830A (ja) 1988-02-03 1989-08-10 Matsushita Electric Ind Co Ltd ディジタル・アナログ変換装置
JP2801644B2 (ja) * 1989-06-05 1998-09-21 パイオニア株式会社 ディザ回路
JP3104108B2 (ja) * 1992-09-07 2000-10-30 ソニー株式会社 アナログ／デジタルコンバータ
US6442213B1 (en) * 1997-04-22 2002-08-27 Silicon Laboratories Inc. Digital isolation system with hybrid circuit in ADC calibration loop
JP3425344B2 (ja) * 1997-12-05 2003-07-14 株式会社東芝 Ｄ／ａ変換器
US6834335B2 (en) * 2001-06-11 2004-12-21 Fujitsu Limited System and method for reducing transitions on address buses
US6677875B2 (en) * 2002-04-29 2004-01-13 Motorola, Inc. Sigma-delta analog-to-digital converter and method
US7116721B1 (en) * 2002-05-20 2006-10-03 Cirrus Logic, Inc. Delta-sigma modulators with integral digital low-pass filtering
CN100401638C (zh) * 2003-09-29 2008-07-09 苏州顺芯半导体有限公司 数模转换器中的数字软开关及其控制数模转换的方法
JP3971414B2 (ja) * 2004-07-16 2007-09-05 ローム株式会社 Ａ／ｄ変換装置、およびこれを用いた通信機器

Also Published As

Publication number Publication date
EP2041875B1 (de) 2011-08-31
EP2041875A1 (de) 2009-04-01
KR20080095874A (ko) 2008-10-29
US20070139239A1 (en) 2007-06-21
WO2007082237A1 (en) 2007-07-19
US7456766B2 (en) 2008-11-25
CN101379709B (zh) 2011-10-12
CN101379709A (zh) 2009-03-04
KR100993155B1 (ko) 2010-11-09

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