ATE523965T1 - Dynamische anstiegsratensteuerung auf basis eines feedback-signals - Google Patents

Dynamische anstiegsratensteuerung auf basis eines feedback-signals

Info

Publication number
ATE523965T1
ATE523965T1 AT08781866T AT08781866T ATE523965T1 AT E523965 T1 ATE523965 T1 AT E523965T1 AT 08781866 T AT08781866 T AT 08781866T AT 08781866 T AT08781866 T AT 08781866T AT E523965 T1 ATE523965 T1 AT E523965T1
Authority
AT
Austria
Prior art keywords
circuit
slew rate
feedback signal
integrator
boost
Prior art date
Application number
AT08781866T
Other languages
English (en)
Inventor
Lennart K-A Mathe
Xiaohong Quan
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 ATE523965T1 publication Critical patent/ATE523965T1/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
    • H03M3/374—Relaxation of settling time constraints, e.g. slew rate enhancement
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/567—Circuits characterised by the use of more than one type of semiconductor device, e.g. BIMOS, composite devices such as IGBT
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/687—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being field-effect transistors
    • 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
    • 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
    • H03M3/452—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 weighted feedforward summation, i.e. with feedforward paths from more than one filter stage to the quantiser input

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Amplifiers (AREA)
AT08781866T 2007-07-16 2008-07-15 Dynamische anstiegsratensteuerung auf basis eines feedback-signals ATE523965T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US95006107P 2007-07-16 2007-07-16
US12/173,006 US7768433B2 (en) 2007-07-16 2008-07-14 Dynamic slew rate control based on a feedback signal
PCT/US2008/070099 WO2009012273A1 (en) 2007-07-16 2008-07-15 Dynamic slew rate control based on a feedback signal

Publications (1)

Publication Number Publication Date
ATE523965T1 true ATE523965T1 (de) 2011-09-15

Family

ID=39761076

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08781866T ATE523965T1 (de) 2007-07-16 2008-07-15 Dynamische anstiegsratensteuerung auf basis eines feedback-signals

Country Status (8)

Country Link
US (1) US7768433B2 (de)
EP (1) EP2168243B1 (de)
JP (1) JP4981968B2 (de)
KR (1) KR101131758B1 (de)
CN (1) CN101743693B (de)
AT (1) ATE523965T1 (de)
TW (1) TW200919979A (de)
WO (1) WO2009012273A1 (de)

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US7593483B2 (en) * 2004-05-07 2009-09-22 Broadcom Corporation Nonlinear mapping in digital-to-analog and analog-to-digital converters
FR2907988B1 (fr) * 2006-10-31 2009-01-23 Thales Sa Modulateur sigma-delta
US8106809B2 (en) * 2009-05-12 2012-01-31 Qualcomm Incorporated Sigma-delta converters and methods for analog-to-digital conversion
US20120078088A1 (en) * 2010-09-28 2012-03-29 Point of Contact, LLC. Medical image projection and tracking system
US8384421B1 (en) * 2011-04-21 2013-02-26 Applied Micro Circuits Corporation Digital CMOS circuit with noise cancellation
EP2840715A4 (de) * 2012-04-19 2015-06-03 Toyota Motor Co Ltd Modulator und a/d-wandler
US9093997B1 (en) 2012-11-15 2015-07-28 Mie Fujitsu Semiconductor Limited Slew based process and bias monitors and related methods
US9294078B1 (en) 2014-09-09 2016-03-22 Reescale Semiconductor,Inc. Voltage-driver circuit with dynamic slew rate control
KR102546186B1 (ko) * 2016-05-18 2023-06-22 에스케이하이닉스 주식회사 이미지 센싱 장치 및 그의 구동 방법
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
CN108075756B (zh) * 2016-11-14 2021-03-12 中科芯云微电子科技有限公司 一种开关电容电路及其控制方法
CN106788439B (zh) * 2016-11-30 2021-06-15 上海集成电路研发中心有限公司 积分型模数转换器转移特性的调节系统及方法
US10608852B2 (en) * 2017-11-14 2020-03-31 Cable Television Laboratories, Inc Systems and methods for delta-sigma digitization
US10742321B2 (en) * 2016-12-19 2020-08-11 Cable Television Laboratories, Inc. Systems and methods for delta-sigma digitization
US10868572B2 (en) * 2017-11-14 2020-12-15 Cable Television Laboratories, Inc Systems and methods for delta-sigma digitization
US10652056B2 (en) * 2017-11-14 2020-05-12 Cable Television Laboratories, Inc Systems and methods for delta-sigma digitization
US10608744B2 (en) * 2017-11-14 2020-03-31 Cable Television Laboratories, Inc Systems and methods for multiband delta sigma digitization
US10601510B2 (en) * 2017-11-14 2020-03-24 Cable Television Laboratories, Inc. Systems and methods for delta-sigma digitization
CN107070458A (zh) * 2017-03-22 2017-08-18 苏州昆泰芯微电子科技有限公司 带运放摆率预测功能的超低功耗模数转换器
US10439570B2 (en) * 2017-12-20 2019-10-08 Texas Instruments Incorporated Slew boost disable for an operational amplifier
US10181852B1 (en) 2018-06-19 2019-01-15 Nxp B.V. Voltage translator with output slew rate control
EP3783798A1 (de) * 2019-08-22 2021-02-24 ams International AG Strom-digital-wandlerschaltung, optische frontendschaltung, computertomografievorrichtung und -verfahren
US11218161B1 (en) * 2020-11-16 2022-01-04 Allegro Microsystems, Llc Tracking analog-to-digital converter with adaptive slew rate boosting
JP7468380B2 (ja) 2021-01-27 2024-04-16 株式会社デンソー 増幅回路
US11863205B2 (en) 2021-11-30 2024-01-02 Analog Devices International Unlimited Company Adaptive bias techniques for amplifiers in sigma delta modulators
US11962317B2 (en) * 2022-05-31 2024-04-16 Qualcomm Incorporated Noise shaping in multi-stage analog-to-digital converters

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5245343A (en) * 1990-08-03 1993-09-14 Honeywell Inc. Enhanced accuracy delta-sigma A/D converter
US5208595A (en) * 1991-08-21 1993-05-04 Wavephore, Inc. Digitally controlled adaptive slew rate delta modulator
US5691720A (en) * 1996-03-08 1997-11-25 Burr- Brown Corporation Delta sigma analog-to-digital converter having programmable resolution/bias current circuitry and method
DE19848778A1 (de) * 1998-02-20 1999-09-02 Hewlett Packard Co Differenz-Bandpaß-Sigma-Delta-Analog-Digital- Wandler
US6552676B1 (en) * 2001-09-14 2003-04-22 Nokia Corporation Method and apparatus for power reduction in switched capacitor circuits
US7262724B2 (en) * 2005-03-31 2007-08-28 Freescale Semiconductor, Inc. System and method for adjusting dynamic range of analog-to-digital converter
GB2425416B (en) * 2005-04-19 2009-10-14 Wolfson Microelectronics Plc Improved switched capacitor DAC
JP2006345405A (ja) 2005-06-10 2006-12-21 Sony Corp デューティ比可変回路およびこれを用いたａｄ変換回路

Also Published As

Publication number Publication date
US7768433B2 (en) 2010-08-03
JP4981968B2 (ja) 2012-07-25
KR20100041830A (ko) 2010-04-22
CN101743693A (zh) 2010-06-16
JP2010534038A (ja) 2010-10-28
US20090021409A1 (en) 2009-01-22
EP2168243B1 (de) 2011-09-07
KR101131758B1 (ko) 2012-04-05
TW200919979A (en) 2009-05-01
CN101743693B (zh) 2014-06-04
WO2009012273A1 (en) 2009-01-22
EP2168243A1 (de) 2010-03-31

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