CN102725963A - 一种多位δ-σ调制器 - Google Patents

一种多位δ-σ调制器 Download PDF

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Publication number
CN102725963A
CN102725963A CN2011800044818A CN201180004481A CN102725963A CN 102725963 A CN102725963 A CN 102725963A CN 2011800044818 A CN2011800044818 A CN 2011800044818A CN 201180004481 A CN201180004481 A CN 201180004481A CN 102725963 A CN102725963 A CN 102725963A
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China
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digital
analog
modulator
signal
shunt feedback
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CN2011800044818A
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CN102725963B (zh
Inventor
汪清勤
王新安
张兴
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Peking University Shenzhen Graduate School
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Peking University Shenzhen Graduate School
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    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

本发明公开了一种多位Δ-∑调制器，包括模拟滤波器、模拟加法器、多位量化器、数字环路滤波器、多位反馈数模转换器以及分流反馈模块，分流反馈模块至少包含一支高阶多位分流反馈支路，每一支分流反馈支路包括分流反馈数模转换器、信号分流单元以及模拟滤波器内模拟加法器。通过引入高阶多位分流反馈支路，本发明的调制器可以减小多位分流反馈数模转换器的元件失配噪声，消弱模数失配噪声，降低模拟滤波器的功耗。本发明提供的调制器可以应用于高性能模数转换器。

Description

PCT国内申请，说明书已公开。

Claims (1)

  1. PCT国内申请，权利要求书已公开。
CN201180004481.8A 2011-01-30 2011-01-30 一种多位δ-σ调制器 Expired - Fee Related CN102725963B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/070820 WO2012100437A1 (zh) 2011-01-30 2011-01-30 一种多位δ-σ调制器

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CN102725963A true CN102725963A (zh) 2012-10-10
CN102725963B CN102725963B (zh) 2015-01-21

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CN (1) CN102725963B (zh)
WO (1) WO2012100437A1 (zh)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103929184A (zh) * 2014-04-16 2014-07-16 中国科学技术大学 一种基于数字噪声耦合技术的δ-σ调制器
CN109428599A (zh) * 2017-08-31 2019-03-05 亚德诺半导体无限责任公司 具有改进的线性的数模转换器
CN109889203A (zh) * 2017-12-06 2019-06-14 三星电子株式会社 半导体器件及其操作方法
CN111510169A (zh) * 2019-01-31 2020-08-07 安华高科技股份有限公司 用于无线通信系统的高速数字发射器
CN115529043A (zh) * 2022-11-02 2022-12-27 南方电网数字电网研究院有限公司 多位量化器电路、调制器和模数转换器
CN116593764A (zh) * 2023-03-29 2023-08-15 浙江朗德电子科技有限公司 高精度自标定电流传感器模块及其标定方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114070321B (zh) * 2020-08-04 2024-06-21 北京新岸线移动多媒体技术有限公司 一种Sigma Delta调制器及动态元件匹配方法
CN113489495B (zh) * 2021-08-17 2022-11-01 加特兰微电子科技(上海)有限公司 信号调制器、集成电路、无线电器件和电子设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101562454A (zh) * 2009-05-12 2009-10-21 凌阳多媒体股份有限公司 动态元件匹配的数字/模拟转换系统及积分三角调制装置
US20100171643A1 (en) * 2009-01-08 2010-07-08 Hong Merit Y Techniques for Delay Compensation of Continuous-Time Sigma-Delta Modulators
CN102270990A (zh) * 2010-06-01 2011-12-07 北京大学深圳研究生院 一种调制器及其设计方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100171643A1 (en) * 2009-01-08 2010-07-08 Hong Merit Y Techniques for Delay Compensation of Continuous-Time Sigma-Delta Modulators
CN101562454A (zh) * 2009-05-12 2009-10-21 凌阳多媒体股份有限公司 动态元件匹配的数字/模拟转换系统及积分三角调制装置
CN102270990A (zh) * 2010-06-01 2011-12-07 北京大学深圳研究生院 一种调制器及其设计方法

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103929184A (zh) * 2014-04-16 2014-07-16 中国科学技术大学 一种基于数字噪声耦合技术的δ-σ调制器
CN103929184B (zh) * 2014-04-16 2017-07-11 中国科学技术大学 一种基于数字噪声耦合技术的δ‑σ调制器
CN109428599A (zh) * 2017-08-31 2019-03-05 亚德诺半导体无限责任公司 具有改进的线性的数模转换器
CN109428599B (zh) * 2017-08-31 2022-05-31 亚德诺半导体国际无限责任公司 具有改进的线性的数模转换器
CN109889203A (zh) * 2017-12-06 2019-06-14 三星电子株式会社 半导体器件及其操作方法
CN109889203B (zh) * 2017-12-06 2023-12-19 三星电子株式会社 半导体器件及其操作方法
CN111510169A (zh) * 2019-01-31 2020-08-07 安华高科技股份有限公司 用于无线通信系统的高速数字发射器
CN115529043A (zh) * 2022-11-02 2022-12-27 南方电网数字电网研究院有限公司 多位量化器电路、调制器和模数转换器
CN115529043B (zh) * 2022-11-02 2023-03-24 南方电网数字电网研究院有限公司 多位量化器电路、调制器和模数转换器
CN116593764A (zh) * 2023-03-29 2023-08-15 浙江朗德电子科技有限公司 高精度自标定电流传感器模块及其标定方法

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Publication number Publication date
WO2012100437A1 (zh) 2012-08-02
CN102725963B (zh) 2015-01-21

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