HK1157516A1 - Sensor interface devices - Google Patents

Sensor interface devices

Info

Publication number
HK1157516A1
HK1157516A1 HK11108498.7A HK11108498A HK1157516A1 HK 1157516 A1 HK1157516 A1 HK 1157516A1 HK 11108498 A HK11108498 A HK 11108498A HK 1157516 A1 HK1157516 A1 HK 1157516A1
Authority
HK
Hong Kong
Prior art keywords
interface devices
sensor interface
sensor
devices
interface
Prior art date
Application number
HK11108498.7A
Other languages
English (en)
Inventor
Kong Pang Pun
Chiu Sing Oliver Choy
Original Assignee
Univ Hong Kong Chinese
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 Univ Hong Kong Chinese filed Critical Univ Hong Kong Chinese
Publication of HK1157516A1 publication Critical patent/HK1157516A1/xx

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
    • H03M3/324—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement
    • H03M3/326—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement by averaging out the errors
    • H03M3/338—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement by averaging out the errors by permutation in the time domain, e.g. dynamic element matching
    • H03M3/34—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by means or methods for compensating or preventing more than one type of error at a time, e.g. by synchronisation or using a ratiometric arrangement by averaging out the errors by permutation in the time domain, e.g. dynamic element matching by chopping
    • 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
    • H03M3/458—Analogue/digital converters using delta-sigma modulation as an intermediate step
HK11108498.7A 2008-07-08 2011-08-12 Sensor interface devices HK1157516A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/169,520 US7724170B2 (en) 2007-12-02 2008-07-08 Sensor interface devices and amplifiers
PCT/CN2009/072227 WO2010003339A1 (en) 2008-07-08 2009-06-11 Sensor interface devices and amplifiers

Publications (1)

Publication Number Publication Date
HK1157516A1 true HK1157516A1 (en) 2012-06-29

Family

ID=40675151

Family Applications (1)

Application Number Title Priority Date Filing Date
HK11108498.7A HK1157516A1 (en) 2008-07-08 2011-08-12 Sensor interface devices

Country Status (4)

Country Link
US (1) US7724170B2 (zh)
CN (1) CN102077467B (zh)
HK (1) HK1157516A1 (zh)
WO (1) WO2010003339A1 (zh)

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US20080299933A1 (en) * 2007-06-04 2008-12-04 Mediaphy Corporation Flicker noise reduction
US7724170B2 (en) * 2007-12-02 2010-05-25 The Chinese University Of Hong Kong Sensor interface devices and amplifiers
US8379740B2 (en) * 2008-12-23 2013-02-19 Stmicroelectronics S.A. Wide-band signal processor
WO2010103580A1 (ja) * 2009-03-09 2010-09-16 パナソニック株式会社 スイッチトキャパシタ増幅回路、アナログフロントエンド回路
GB0908694D0 (en) 2009-05-20 2009-07-01 Vodafone Plc Terminating SMS messages in LTE
CN102694510B (zh) * 2011-03-22 2015-02-25 中国科学院微电子研究所 与传感器耦合的斩波放大器电路
US8633843B2 (en) * 2012-06-19 2014-01-21 Infineon Technologies Ag System and method for chopping oversampled data converters
CN103138760B (zh) * 2012-11-05 2016-08-03 广东希荻微电子有限公司 一种超低输入端直流失调的放大器和a/d转换器
FR3004875B1 (fr) * 2013-04-22 2016-09-09 E2V Semiconductors Convertisseur analogique-numerique differentiel avec commutation periodique des voies
EP2799891A1 (en) * 2013-05-03 2014-11-05 Sensirion AG Sensor circuit arrangement
CN104950165A (zh) * 2015-06-19 2015-09-30 杭州士兰微电子股份有限公司 检测电路和检测方法
TWI695582B (zh) * 2018-10-30 2020-06-01 日商村田製作所股份有限公司 訊號處理電路
CN111051820B (zh) * 2019-08-05 2022-03-15 深圳市汇顶科技股份有限公司 电桥传感器的检测电路、芯片及检测系统
US11658677B2 (en) * 2021-09-30 2023-05-23 Nxp B.V. System and method of replicating and cancelling chopping folding error in delta-sigma modulators
CN116232323A (zh) * 2021-12-02 2023-06-06 华润微集成电路(无锡)有限公司 信号调理电路及数据处理方法
US11620946B1 (en) * 2022-03-03 2023-04-04 Apple Inc. Dual-mode sense circuit with enhanced dynamic range and accuracy
CN114533087B (zh) * 2022-04-28 2022-08-26 之江实验室 一种基于斩波技术消除电极间直流偏移的方法及系统

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US5680072A (en) * 1996-01-24 1997-10-21 Harris Corporation Differential interpolating switched capacitor filter and method
EP1055284A1 (en) 1998-11-12 2000-11-29 Koninklijke Philips Electronics N.V. Circuit comprising means for reducing the dc-offset and the noise produced by an amplifier
FI112741B (fi) * 1998-11-26 2003-12-31 Nokia Corp Menetelmä ja järjestely RF-signaalien lähettämiseksi ja vastaanottamiseksi tiedonsiirtojärjestelmien erilaisissa radiorajapinnoissa
US6590517B1 (en) * 1999-10-22 2003-07-08 Eric J. Swanson Analog to digital conversion circuitry including backup conversion circuitry
JP3616353B2 (ja) * 2001-06-14 2005-02-02 Ｎｅｃマイクロシステム株式会社 電圧比較回路
US6734723B2 (en) * 2002-04-05 2004-05-11 Maxim Integrated Products, Inc. Chopper chopper-stabilized operational amplifiers and methods
EP1659694B1 (en) * 2002-05-27 2008-07-23 Fujitsu Ltd. A/D converter bias current circuit
US6639532B1 (en) * 2002-07-16 2003-10-28 Macronix International Co., Ltd. Nested chopper delta-sigma modulator
AU2003288599A1 (en) * 2002-12-18 2004-07-09 Koninklijke Philips Electronics N.V. Phase corrected miller compensation of chopper and nested chopper amplifiers
US7038532B1 (en) * 2003-04-15 2006-05-02 University Of Rochester Switched-capacitor high-pass mirrored integrator
US20080226097A1 (en) * 2004-03-05 2008-09-18 Takashige Miyashita Filter Circuit and Reproduction Device Using the Same
GB0411884D0 (en) * 2004-05-28 2004-06-30 Koninkl Philips Electronics Nv Bitstream controlled reference signal generation for a sigma-delta modulator
CN100465594C (zh) * 2006-03-23 2009-03-04 上海理工大学 紫外增强型电学定标热释电辐射计
JP4840053B2 (ja) * 2006-09-29 2011-12-21 ソニー株式会社 電力増幅装置
US7724170B2 (en) * 2007-12-02 2010-05-25 The Chinese University Of Hong Kong Sensor interface devices and amplifiers
US7545302B1 (en) * 2008-03-14 2009-06-09 National Semiconductor Corporation Sigma-delta difference-of-squares RMS-to-DC converter with forward path multiplier

Also Published As

Publication number Publication date
CN102077467B (zh) 2013-03-20
WO2010003339A1 (en) 2010-01-14
CN102077467A (zh) 2011-05-25
US20090140900A1 (en) 2009-06-04
US7724170B2 (en) 2010-05-25

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20170611