CN102334294B - 包含多个具有独立延迟的反馈通路的连续时间σ-δ调制器 - Google Patents

包含多个具有独立延迟的反馈通路的连续时间σ-δ调制器 Download PDF

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Publication number
CN102334294B
CN102334294B CN201080009241.2A CN201080009241A CN102334294B CN 102334294 B CN102334294 B CN 102334294B CN 201080009241 A CN201080009241 A CN 201080009241A CN 102334294 B CN102334294 B CN 102334294B
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signal
feedback
delay
sigma
compensation
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Chinese (zh)
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CN102334294A (zh
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O·奥利亚艾
B·布瑞斯韦尔
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NXP USA Inc
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Freescale Semiconductor Inc
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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
    • H03M3/368—Continuously compensating for, or preventing, undesired influence of physical parameters of noise other than the quantisation noise already being shaped inherently by delta-sigma modulators
    • H03M3/37—Compensation or reduction of delay or phase error
    • H03M3/374—Relaxation of settling time constraints, e.g. slew rate enhancement
    • 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
    • H03M3/438—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 the modulator having a higher order loop filter in the feedforward path
    • H03M3/454—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 the modulator having a higher order loop filter in the feedforward path with distributed feedback, i.e. with feedback paths from the quantiser output to more than one filter stage

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN201080009241.2A 2009-02-27 2010-01-25 包含多个具有独立延迟的反馈通路的连续时间σ-δ调制器 Expired - Fee Related CN102334294B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/394,275 2009-02-27
US12/394,275 US7880654B2 (en) 2009-02-27 2009-02-27 Continuous-time sigma-delta modulator with multiple feedback paths having independent delays
PCT/US2010/021966 WO2010098918A2 (en) 2009-02-27 2010-01-25 Continuous-time sigma-delta modulator with multiple feedback paths having independent delays

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CN102334294A CN102334294A (zh) 2012-01-25
CN102334294B true CN102334294B (zh) 2015-04-01

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US (1) US7880654B2 (enExample)
EP (1) EP2401816A4 (enExample)
JP (1) JP5510464B2 (enExample)
CN (1) CN102334294B (enExample)
WO (1) WO2010098918A2 (enExample)

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US9252797B1 (en) 2014-10-31 2016-02-02 Freescale Semiconductor Inc. Return-to-zero digital-to-analog converter with overlapping time delayed pulse generation
CN105656488B (zh) * 2014-11-10 2019-05-03 联咏科技股份有限公司 触控检测系统、差异积分调制器及其调制方法
CN106357271A (zh) * 2015-07-15 2017-01-25 深圳市中兴微电子技术有限公司 额外环路延迟补偿电路、方法和连续时间δ-σ模数转换器
KR102384362B1 (ko) 2015-07-17 2022-04-07 삼성전자주식회사 노이즈를 성형하기 위한 델타 시그마 변조기 그리고 이를 포함하는 오디오 코덱
CN105356885B (zh) * 2015-11-24 2018-09-11 广州一芯信息科技有限公司 一种轨到轨输入的连续时间差异积分调制器
US10020818B1 (en) 2016-03-25 2018-07-10 MY Tech, LLC Systems and methods for fast delta sigma modulation using parallel path feedback loops
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KR102653887B1 (ko) * 2017-01-31 2024-04-02 삼성전자주식회사 가변 피드백 이득을 갖는 델타 변조기, 이를 포함하는 아날로그-디지털 변환기 및 통신 장치
US10432214B2 (en) * 2017-12-27 2019-10-01 Mediatek Inc. Apparatus for applying different transfer functions to code segments of multi-bit output code that are sequentially determined and output by multi-bit quantizer and associated delta-sigma modulator
CN121000228A (zh) 2019-03-14 2025-11-21 混合信号设备股份有限公司 数模转换器（dac）和模数转换器（adc）的线性化和相关方法
TWI690164B (zh) * 2019-04-24 2020-04-01 智原科技股份有限公司 差和式類比數位轉換器及其操作方法
US10763888B1 (en) * 2019-05-09 2020-09-01 Nxp B.V. Metastability shaping technique for continuous-time sigma-delta analog-to-digital converters
IT202000001918A1 (it) * 2020-01-31 2021-07-31 St Microelectronics Srl Circuito di compensazione per modulatori delta-sigma, dispositivo e procedimento corrispondenti
WO2022170351A1 (en) 2021-02-05 2022-08-11 Mixed-Signal Devices Inc. Systems and methods for digital signal chirp generation using frequency multipliers
US11933919B2 (en) 2022-02-24 2024-03-19 Mixed-Signal Devices Inc. Systems and methods for synthesis of modulated RF signals
US12231145B1 (en) 2022-02-24 2025-02-18 Mixed-Signal Devices Inc. Systems and methods for digital signal synthesis with variable sample rate DAC
CN114825870B (zh) * 2022-05-23 2025-08-12 上海数明半导体有限公司 一种dtof驱动电路的延时探测电路及驱动电路
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CN119363123B (zh) * 2024-10-25 2025-10-17 电子科技大学 一种可以补偿任意周期过冲环路延迟的ctdsm电路

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Publication number Publication date
EP2401816A2 (en) 2012-01-04
CN102334294A (zh) 2012-01-25
WO2010098918A2 (en) 2010-09-02
US7880654B2 (en) 2011-02-01
US20100219999A1 (en) 2010-09-02
EP2401816A4 (en) 2012-11-21
WO2010098918A3 (en) 2010-11-18
JP5510464B2 (ja) 2014-06-04
JP2012519415A (ja) 2012-08-23

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