WO2011137708A3 - 电阻检测装置及方法 - Google Patents

电阻检测装置及方法 Download PDF

Info

Publication number
WO2011137708A3
WO2011137708A3 PCT/CN2011/072728 CN2011072728W WO2011137708A3 WO 2011137708 A3 WO2011137708 A3 WO 2011137708A3 CN 2011072728 W CN2011072728 W CN 2011072728W WO 2011137708 A3 WO2011137708 A3 WO 2011137708A3
Authority
WO
WIPO (PCT)
Prior art keywords
resistance
value
under test
resistance detection
proportional relationship
Prior art date
Application number
PCT/CN2011/072728
Other languages
English (en)
French (fr)
Other versions
WO2011137708A2 (zh
Inventor
王正香
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201180000392.6A priority Critical patent/CN102317798B/zh
Priority to PCT/CN2011/072728 priority patent/WO2011137708A2/zh
Publication of WO2011137708A2 publication Critical patent/WO2011137708A2/zh
Publication of WO2011137708A3 publication Critical patent/WO2011137708A3/zh

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/14Measuring resistance by measuring current or voltage obtained from a reference source

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)

Abstract

公开了一种电阻检测装置及方法,属于电路领域。该装置包括:基准电阻(101)和电阻检测电路(102);所述电阻检测电路(102),用于产生与所述基准电阻(101)相关的基准电流和与被测电阻(103)相关的跟随电流,输出所述基准电流和所述跟随电流之间的比例关系(105),使所述被测电阻(103)的阻值能根据所述比例关系(105)和所述基准电阻(101)的阻值得到。使用基准电阻(101)和电阻检测电路(102)来对芯片(104)上的被测电阻(103)进行检测,根据输出的比例关系(105)和基准电阻(101)的阻值可以准确地得到被测电阻(103)的实际阻值,从而知道了其实际阻值相对于其标称值的变化量,进而能知道该芯片(104)上同种类型的其他电阻阻值的相对变化量。
PCT/CN2011/072728 2011-04-13 2011-04-13 电阻检测装置及方法 WO2011137708A2 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201180000392.6A CN102317798B (zh) 2011-04-13 2011-04-13 电阻检测装置及方法
PCT/CN2011/072728 WO2011137708A2 (zh) 2011-04-13 2011-04-13 电阻检测装置及方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/072728 WO2011137708A2 (zh) 2011-04-13 2011-04-13 电阻检测装置及方法

Publications (2)

Publication Number Publication Date
WO2011137708A2 WO2011137708A2 (zh) 2011-11-10
WO2011137708A3 true WO2011137708A3 (zh) 2012-02-23

Family

ID=44904135

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2011/072728 WO2011137708A2 (zh) 2011-04-13 2011-04-13 电阻检测装置及方法

Country Status (2)

Country Link
CN (1) CN102317798B (zh)
WO (1) WO2011137708A2 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103675461B (zh) * 2013-12-20 2016-03-30 北京航天测控技术有限公司 基于可调电流源的电阻测量方法
CN110161313B (zh) 2019-06-19 2020-07-24 中南大学 一种微差法与比例法结合的电阻高精度测量系统与方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4349777A (en) * 1979-11-19 1982-09-14 Takeda Riken Kogyo Kabushikikaisha Variable current source
US5469071A (en) * 1993-12-07 1995-11-21 Kabushiki Kaisha Toshiba Resistor sensor input apparatus
CN2702317Y (zh) * 2003-12-02 2005-05-25 赵军 电阻类仪器比例法检定电路
CN1963556A (zh) * 2006-11-24 2007-05-16 中国计量科学研究院 一种用于整体校验低温电流比较仪比例的仪器及其方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4349777A (en) * 1979-11-19 1982-09-14 Takeda Riken Kogyo Kabushikikaisha Variable current source
US5469071A (en) * 1993-12-07 1995-11-21 Kabushiki Kaisha Toshiba Resistor sensor input apparatus
CN2702317Y (zh) * 2003-12-02 2005-05-25 赵军 电阻类仪器比例法检定电路
CN1963556A (zh) * 2006-11-24 2007-05-16 中国计量科学研究院 一种用于整体校验低温电流比较仪比例的仪器及其方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
XU, QIHUA.: "Resistance Measurement and Non-electric Measuration.", February 1981 (1981-02-01), pages 78 *

Also Published As

Publication number Publication date
CN102317798A (zh) 2012-01-11
CN102317798B (zh) 2013-06-26
WO2011137708A2 (zh) 2011-11-10

Similar Documents

Publication Publication Date Title
MX2016000127A (es) Medicion de resistencia del elemento en un medidor de electricidad.
EP3441775A3 (en) Current measurement
MX2015013087A (es) Sistema de auto-correción de transformador de corriente.
WO2012163585A3 (de) Verfahren und vorrichtung zur winkelschätzung in einer synchronmaschine
WO2014149416A3 (en) Magnetic field sensor having an externally accessible coil
EP3861928A3 (en) Intravascular pressure and flow data diagnostic system
EP4152012A3 (en) Packaging for an electronic circuit
WO2011152921A3 (en) Apparatus and method for current sensing using a wire bond
WO2014120439A3 (en) Soft start circuits and techniques
EP2738561A3 (en) Method and device for determining location of earth fault
AR086116A1 (es) Un dispositivo de control para uso con un detonador
WO2013169695A3 (en) Methods and apparatus to detect leakage current in a resistance temperature detector
IL245315B (en) Detection of reliability defects ic
EP2709271A3 (en) Quiescent current determination using in-package voltage measurements
MY187683A (en) Apparatus and method to change current limit
WO2016054652A8 (en) Method and apparatus for tilt sensing using eccentric motor
IN2014MU01927A (zh)
WO2013016382A3 (en) System for measuring current and method of making same
WO2012028400A3 (de) Verfahren zur lokalisierung von in einem medium eingeschlossenen objekten, sowie messgerät zur durchführung des verfahrens
IN2015DN02557A (zh)
GB2537319A (en) Systems and methods for analyzing contaminants in flowing bulk powder compositions
GB2540907A (en) Continuity test system and method
WO2011127498A3 (de) Fehlerstromschutzschalter
MX352114B (es) Aparato de detección de voltaje, batería y método de detección de voltaje.
WO2012050941A3 (en) Systems and methods for high-sensitivity detection of input bias current

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 201180000392.6

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11777129

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11777129

Country of ref document: EP

Kind code of ref document: A2