ATE514227T1 - Jitter-unempfindlicher sigma-delta modulator - Google Patents

Jitter-unempfindlicher sigma-delta modulator

Info

Publication number
ATE514227T1
ATE514227T1 AT08787018T AT08787018T ATE514227T1 AT E514227 T1 ATE514227 T1 AT E514227T1 AT 08787018 T AT08787018 T AT 08787018T AT 08787018 T AT08787018 T AT 08787018T AT E514227 T1 ATE514227 T1 AT E514227T1
Authority
AT
Austria
Prior art keywords
sigma
delta modulator
node
voltage
voltage level
Prior art date
Application number
AT08787018T
Other languages
English (en)
Inventor
Nicolas Sornin
Davide Orifamma
Original Assignee
Cambridge Silicon Radio Ltd
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 Cambridge Silicon Radio Ltd filed Critical Cambridge Silicon Radio Ltd
Application granted granted Critical
Publication of ATE514227T1 publication Critical patent/ATE514227T1/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
    • 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
    • H03M3/372—Jitter reduction
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
    • H03M1/181—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values
    • 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
    • H03M3/502—Details of the final digital/analogue conversion following the digital delta-sigma modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Control Of Electric Motors In General (AREA)
AT08787018T 2007-09-06 2008-08-07 Jitter-unempfindlicher sigma-delta modulator ATE514227T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0717342A GB2452524A (en) 2007-09-06 2007-09-06 A jitter insensitive sigma-delta modulator
PCT/EP2008/060422 WO2009030580A1 (en) 2007-09-06 2008-08-07 Jitter insensitive sigma- delta modulator

Publications (1)

Publication Number Publication Date
ATE514227T1 true ATE514227T1 (de) 2011-07-15

Family

ID=38640346

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08787018T ATE514227T1 (de) 2007-09-06 2008-08-07 Jitter-unempfindlicher sigma-delta modulator

Country Status (6)

Country Link
US (1) US8169352B2 (de)
EP (1) EP2179508B1 (de)
CN (1) CN101849360A (de)
AT (1) ATE514227T1 (de)
GB (1) GB2452524A (de)
WO (1) WO2009030580A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2452524A (en) 2007-09-06 2009-03-11 Cambridge Silicon Radio Ltd A jitter insensitive sigma-delta modulator
JP5395983B1 (ja) * 2012-01-24 2014-01-22 旭化成エレクトロニクス株式会社 サンプリング回路、ａ／ｄ変換器、ｄ／ａ変換器、ｃｏｄｅｃ
CN103873015B (zh) * 2014-01-24 2017-01-04 中国人民解放军国防科学技术大学 面向连续转角信号的平滑数字滤波方法
US10530372B1 (en) 2016-03-25 2020-01-07 MY Tech, LLC Systems and methods for digital synthesis of output signals using resonators
US10020818B1 (en) 2016-03-25 2018-07-10 MY Tech, LLC Systems and methods for fast delta sigma modulation using parallel path feedback loops
JP2017215646A (ja) 2016-05-30 2017-12-07 シナプティクス インコーポレイテッド タッチ検出回路及び半導体装置
US10061415B2 (en) 2016-06-30 2018-08-28 Synaptics Incorporated Input device receiver with delta-sigma modulator
US10390114B2 (en) * 2016-07-22 2019-08-20 Intel Corporation Memory sharing for physical accelerator resources in a data center
JP6757207B2 (ja) 2016-08-10 2020-09-16 シナプティクス インコーポレイテッド タッチ検出回路、タッチ検出プログラム及びタッチ検出方法
EP3542461B1 (de) 2016-11-21 2024-07-31 Mixed-Signal Devices Inc. Hocheffiziente leistungsverstärkerarchitekturen für hf-anwendungen
CN110661531B (zh) * 2018-06-28 2022-02-25 硅谷介入有限公司 利用差分延迟反馈来抑制噪声整形控制环路中的亚稳定性
US10862503B2 (en) 2018-12-10 2020-12-08 Stmicroelectronics International N.V. Clock jitter measurement using signal-to-noise ratio degradation in a continuous time 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
CN110031647B (zh) * 2019-05-07 2020-04-07 清华大学 一种用于容栅式角位移传感器的asic接口
US10763888B1 (en) * 2019-05-09 2020-09-01 Nxp B.V. Metastability shaping technique for continuous-time sigma-delta analog-to-digital converters
WO2022170351A1 (en) 2021-02-05 2022-08-11 Mixed-Signal Devices Inc. Systems and methods for digital signal chirp generation using frequency multipliers
US12088326B2 (en) 2021-09-24 2024-09-10 Stmicroelectronics International N.V. Sigma-delta analog-to-digital converter circuit with data sharing for power saving
US12546809B2 (en) 2021-11-29 2026-02-10 Stmicroelectronics International N.V. Clock phase noise measurement circuit and method
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

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6111531A (en) * 1997-05-30 2000-08-29 Lucent Technologies Parallel architecture for a bandpass sigma-delta modulator
US7057540B2 (en) * 2001-10-26 2006-06-06 Texas Instruments Incorporated Sigma-delta (ΣΔ) analog-to-digital converter (ADC) structure incorporating a direct sampling mixer
US7450665B2 (en) * 2003-12-09 2008-11-11 Freescale Semiconductor, Inc. Method and apparatus to implement DC offset correction in a sigma delta converter
DE102004009611B4 (de) * 2004-02-27 2010-01-14 Infineon Technologies Ag Zeitkontinuierlicher Sigma-Delta-Analog-Digital-Wandler
US7068198B2 (en) * 2004-05-28 2006-06-27 Freescale Semiconductor, Inc. Double-sampled integrator system and method thereof
US7095345B2 (en) * 2004-06-29 2006-08-22 Analog Devices, Inc. Hybrid tuning circuit for continuous-time sigma-delta analog-to-digital converter
DE102005061856B4 (de) * 2005-12-23 2010-04-08 Xignal Technologies Ag Zeitkontinuierlicher Delta-Sigma-Analog-Digital-Wandler
US7375666B2 (en) * 2006-09-12 2008-05-20 Cirrus Logic, Inc. Feedback topology delta-sigma modulator having an AC-coupled feedback path
US7423567B2 (en) * 2006-09-12 2008-09-09 Cirrus Logic, Inc. Analog-to-digital converter (ADC) having a reduced number of quantizer output levels
US7696913B2 (en) * 2007-05-02 2010-04-13 Cirrus Logic, Inc. Signal processing system using delta-sigma modulation having an internal stabilizer path with direct output-to-integrator connection
GB2452524A (en) 2007-09-06 2009-03-11 Cambridge Silicon Radio Ltd A jitter insensitive sigma-delta modulator

Also Published As

Publication number Publication date
US20100295715A1 (en) 2010-11-25
GB0717342D0 (en) 2007-10-17
CN101849360A (zh) 2010-09-29
EP2179508A1 (de) 2010-04-28
WO2009030580A9 (en) 2010-06-10
EP2179508B1 (de) 2011-06-22
GB2452524A (en) 2009-03-11
WO2009030580A1 (en) 2009-03-12
US8169352B2 (en) 2012-05-01

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