CN100514071C - 分路线性隔离电路装置 - Google Patents

分路线性隔离电路装置 Download PDF

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Publication number
CN100514071C
CN100514071C CNB2006101547389A CN200610154738A CN100514071C CN 100514071 C CN100514071 C CN 100514071C CN B2006101547389 A CNB2006101547389 A CN B2006101547389A CN 200610154738 A CN200610154738 A CN 200610154738A CN 100514071 C CN100514071 C CN 100514071C
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CN
China
Prior art keywords
circuit
resistance
signal
low
frequency
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.)
Expired - Fee Related
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CNB2006101547389A
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English (en)
Chinese (zh)
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CN1963538A (zh
Inventor
李君�
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to CNB2006101547389A priority Critical patent/CN100514071C/zh
Publication of CN1963538A publication Critical patent/CN1963538A/zh
Priority to PCT/CN2007/003266 priority patent/WO2008061444A1/fr
Application granted granted Critical
Publication of CN100514071C publication Critical patent/CN100514071C/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45—Differential amplifiers
    • H03F3/45071—Differential amplifiers with semiconductor devices only
    • H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
    • H03F3/45475—Differential 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
    • H03F3/08—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light
    • H03F3/085—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light using opto-couplers between stages
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/261—Amplifier which being suitable for instrumentation applications
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/273—Indexing scheme relating to amplifiers the DC-isolation amplifier, e.g. chopper amplifier, modulation/demodulation amplifier, uses inductive isolation means, e.g. transformers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/276—Indexing scheme relating to amplifiers the DC-isolation amplifier, e.g. chopper amplifier, modulation/demodulation amplifier, uses optical isolation means, e.g. optical couplers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/45—Indexing scheme relating to differential amplifiers
    • H03F2203/45138—Two or more differential amplifiers in IC-block form are combined, e.g. measuring amplifiers

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Networks Using Active Elements (AREA)
CNB2006101547389A 2006-11-21 2006-11-21 分路线性隔离电路装置 Expired - Fee Related CN100514071C (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CNB2006101547389A CN100514071C (zh) 2006-11-21 2006-11-21 分路线性隔离电路装置
PCT/CN2007/003266 WO2008061444A1 (fr) 2006-11-21 2007-11-19 Appareil à circuit d'isolation linéaire à division de voie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2006101547389A CN100514071C (zh) 2006-11-21 2006-11-21 分路线性隔离电路装置

Publications (2)

Publication Number Publication Date
CN1963538A CN1963538A (zh) 2007-05-16
CN100514071C true CN100514071C (zh) 2009-07-15

Family

ID=38082676

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2006101547389A Expired - Fee Related CN100514071C (zh) 2006-11-21 2006-11-21 分路线性隔离电路装置

Country Status (2)

Country Link
CN (1) CN100514071C (fr)
WO (1) WO2008061444A1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100514071C (zh) * 2006-11-21 2009-07-15 李君� 分路线性隔离电路装置
FR2974909B1 (fr) * 2011-05-02 2013-05-31 Chauvin Arnoux Dispositif d'isolation galvanique
CN103353544B (zh) * 2012-06-15 2015-08-12 杭州祺来电子有限公司 分路线性隔离电路装置
CN102998502B (zh) * 2012-12-06 2015-03-04 陈实 高隔离耐压型双向信号传感器
CN103884893B (zh) * 2012-12-20 2017-10-24 北京普源精电科技有限公司 一种分路线性隔离电路及其示波器
CN103884894B (zh) * 2012-12-20 2018-07-13 北京普源精电科技有限公司 一种改进的分路线性隔离电路及其示波器
CN103884888B (zh) * 2012-12-20 2018-03-16 北京普源精电科技有限公司 具有万用表功能的示波器
CN103884895B (zh) * 2012-12-20 2017-10-24 北京普源精电科技有限公司 一种多路线性隔离电路及其示波器
FR3009422A1 (fr) * 2013-07-31 2015-02-06 Schneider Electric Ind Sas Correction de la bande passante d'un transformateur a entrefer
CN104135275A (zh) * 2014-07-17 2014-11-05 沈阳东软医疗系统有限公司 一种信号隔离器以及调试信号隔离器的方法
CN104660193A (zh) * 2015-01-21 2015-05-27 上海新研工业设备有限公司 线性光耦传输模拟信号电路
CN105044422A (zh) * 2015-07-10 2015-11-11 深圳市航盛电子股份有限公司 一种线性信号的高精度隔离电路及采集方法
CN106373374A (zh) * 2016-11-28 2017-02-01 长沙广义变流技术有限公司 一种小信号隔离传输电路
CN110269634B (zh) * 2019-06-20 2023-09-12 上海联影医疗科技股份有限公司 隔离变换器、x射线产生设备及医学成像系统
CN111579857A (zh) * 2020-04-21 2020-08-25 赵红雁 一种仪用数字补偿式电压采样电路及方法
KR102475665B1 (ko) * 2020-11-12 2022-12-07 엑스멤스 랩스 인코포레이티드 크로스오버 회로
CN113325265A (zh) * 2021-05-12 2021-08-31 武汉三相电力科技有限公司 一种检测输电线路中混合行波的装置
CN117590056B (zh) * 2024-01-15 2024-04-26 广州德肯电子股份有限公司 一种交直流信号隔离检测电路和检测装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0272706A (ja) * 1988-09-07 1990-03-13 Yokogawa Electric Corp 絶縁増副装置
JPH04129309A (ja) * 1990-09-19 1992-04-30 Matsushita Electric Ind Co Ltd 増幅回路
US5834973A (en) * 1997-05-01 1998-11-10 Fluke Corporation Voltage isolation circuit for a measurement channel
CN100514071C (zh) * 2006-11-21 2009-07-15 李君� 分路线性隔离电路装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
双通道宽带隔离放大器的设计. 王礼平.电测与仪表，第41卷第6期. 2004
双通道宽带隔离放大器的设计. 王礼平.电测与仪表，第41卷第6期. 2004 *

Also Published As

Publication number Publication date
WO2008061444A1 (fr) 2008-05-29
CN1963538A (zh) 2007-05-16

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Granted publication date: 20090715

Termination date: 20211121