CN111788775B - 浮动输入检测 - Google Patents

浮动输入检测 Download PDF

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Publication number
CN111788775B
CN111788775B CN201980016209.8A CN201980016209A CN111788775B CN 111788775 B CN111788775 B CN 111788775B CN 201980016209 A CN201980016209 A CN 201980016209A CN 111788775 B CN111788775 B CN 111788775B
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CN
China
Prior art keywords
input terminal
amplifier
output
coupled
floating
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN201980016209.8A
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English (en)
Chinese (zh)
Other versions
CN111788775A (zh
Inventor
D·K·阿尔
S·V·达察
D·曼达
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Texas Instruments Inc
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Texas Instruments Inc
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Publication date
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Publication of CN111788775A publication Critical patent/CN111788775A/zh
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Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45Differential amplifiers
    • H03F3/45071Differential amplifiers with semiconductor devices only
    • H03F3/45076Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45475Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45Differential amplifiers
    • H03F3/45071Differential amplifiers with semiconductor devices only
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/68Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K5/00Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/22Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
    • H03K5/24Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/129Indexing scheme relating to amplifiers there being a feedback over the complete amplifier
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/471Indexing scheme relating to amplifiers the voltage being sensed
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2203/00Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45Indexing scheme relating to differential amplifiers
    • H03F2203/45116Feedback coupled to the input of the differential amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Manipulation Of Pulses (AREA)
  • Amplifiers (AREA)
  • General Physics & Mathematics (AREA)
CN201980016209.8A 2018-03-28 2019-03-28 浮动输入检测 Active CN111788775B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
IN201841011581 2018-03-28
IN201841011581 2018-03-28
US16/124,261 2018-09-07
US16/124,261 US10725118B2 (en) 2018-03-28 2018-09-07 Floating input detection
PCT/US2019/024500 WO2019191377A1 (en) 2018-03-28 2019-03-28 Floating input detection

Publications (2)

Publication Number Publication Date
CN111788775A CN111788775A (zh) 2020-10-16
CN111788775B true CN111788775B (zh) 2024-05-14

Family

ID=68054883

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980016209.8A Active CN111788775B (zh) 2018-03-28 2019-03-28 浮动输入检测

Country Status (5)

Country Link
US (1) US10725118B2 (https=)
EP (1) EP3776863B1 (https=)
JP (1) JP7597985B2 (https=)
CN (1) CN111788775B (https=)
WO (1) WO2019191377A1 (https=)

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* Cited by examiner, † Cited by third party
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CN110703125A (zh) * 2019-08-12 2020-01-17 苏州市职业大学 一种plc端子检测装置和检测方法
US11621686B2 (en) * 2021-01-26 2023-04-04 Infineon Technologies Ag Gray zone prevention circuit with indirect signal monitoring
TWI887012B (zh) * 2024-06-21 2025-06-11 大陸商北京集創北方科技股份有限公司 晶片輸出電流設定電路、顯示驅動晶片及顯示器

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CN104639168A (zh) * 2015-02-15 2015-05-20 芯原微电子(上海)有限公司 Sigma-Delta型模数转换器模拟前端电路
CN105405842A (zh) * 2015-07-24 2016-03-16 香港应用科技研究院有限公司 自供电和电池辅助的cmos无线生物传感ic平台
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CN106877830A (zh) * 2017-04-06 2017-06-20 高科创芯(北京)科技有限公司 一种用于生理电势信号检测的模拟前端电路

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Publication number Priority date Publication date Assignee Title
CN101166242A (zh) * 2006-10-17 2008-04-23 索尼株式会社 图像采集设备、信号处理设备和信号处理方法
CN101917171A (zh) * 2010-08-19 2010-12-15 华东师范大学 基于运算放大器的宽带可编程增益放大器
CN104054066A (zh) * 2011-11-11 2014-09-17 密克罗奇普技术公司 具有双线接口的模拟前端装置
CN104283519A (zh) * 2014-10-24 2015-01-14 中国电子科技集团公司第十三研究所 电流复用型前馈补偿全差分运算放大器
CN104639168A (zh) * 2015-02-15 2015-05-20 芯原微电子(上海)有限公司 Sigma-Delta型模数转换器模拟前端电路
CN105405842A (zh) * 2015-07-24 2016-03-16 香港应用科技研究院有限公司 自供电和电池辅助的cmos无线生物传感ic平台
CN106850055A (zh) * 2016-12-28 2017-06-13 上海交通大学 一种用于光纤瞬断检测系统的宽带低噪声模拟前端电路
CN106877830A (zh) * 2017-04-06 2017-06-20 高科创芯(北京)科技有限公司 一种用于生理电势信号检测的模拟前端电路

Also Published As

Publication number Publication date
US10725118B2 (en) 2020-07-28
JP7597985B2 (ja) 2024-12-11
JP2021520094A (ja) 2021-08-12
WO2019191377A1 (en) 2019-10-03
CN111788775A (zh) 2020-10-16
EP3776863A4 (en) 2021-06-09
US20190302163A1 (en) 2019-10-03
EP3776863B1 (en) 2024-03-13
EP3776863A1 (en) 2021-02-17

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