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GB2587902B - Detector and method for measuring a resistance of a variable resistance sensor whose resistance varies with respect to a time-varying stimulus. - Google Patents

Detector and method for measuring a resistance of a variable resistance sensor whose resistance varies with respect to a time-varying stimulus. Download PDF

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Publication number
GB2587902B
GB2587902B GB2011696.8A GB202011696A GB2587902B GB 2587902 B GB2587902 B GB 2587902B GB 202011696 A GB202011696 A GB 202011696A GB 2587902 B GB2587902 B GB 2587902B
Authority
GB
United Kingdom
Prior art keywords
resistance
detector
measuring
respect
time
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
GB2011696.8A
Other versions
GB2587902A (en
GB202011696D0 (en
Inventor
Jay Peterson Cory
B Prakash Chandra
Ilango Anand
Zanbaghi Ramin
Wang Dejun
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cirrus Logic International Semiconductor Ltd
Original Assignee
Cirrus Logic International Semiconductor Ltd
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
Priority claimed from US16/530,618 external-priority patent/US10826512B1/en
Priority claimed from US16/530,606 external-priority patent/US11119134B2/en
Application filed by Cirrus Logic International Semiconductor Ltd filed Critical Cirrus Logic International Semiconductor Ltd
Priority to GB2111044.0A priority Critical patent/GB2594668B/en
Publication of GB202011696D0 publication Critical patent/GB202011696D0/en
Publication of GB2587902A publication Critical patent/GB2587902A/en
Application granted granted Critical
Publication of GB2587902B publication Critical patent/GB2587902B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0617—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence
    • H03M1/0619—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by dividing out the errors, i.e. using a ratiometric arrangement
    • H03M1/0621—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by dividing out the errors, i.e. using a ratiometric arrangement with auxiliary conversion of a value corresponding to the physical parameter(s) to be compensated for
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0617—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence
    • H03M1/0619—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence by dividing out the errors, i.e. using a ratiometric arrangement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/08—Measuring resistance by measuring both voltage and current
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/14—Measuring resistance by measuring current or voltage obtained from a reference source
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10—Calibration or testing
    • H03M1/1009—Calibration
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10—Calibration or testing
    • H03M1/1009—Calibration
    • H03M1/1033—Calibration over the full range of the converter, e.g. for correcting differential non-linearity
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/18—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging
    • H03M1/181—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values
    • H03M1/183—Automatic control for modifying the range of signals the converter can handle, e.g. gain ranging in feedback mode, i.e. by determining the range to be selected from one or more previous digital output values the feedback signal controlling the gain of an amplifier or attenuator preceding the analogue/digital converter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/74—Simultaneous conversion
    • H03M1/742—Simultaneous conversion using current sources as quantisation value generators

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
GB2011696.8A 2019-08-02 2020-07-28 Detector and method for measuring a resistance of a variable resistance sensor whose resistance varies with respect to a time-varying stimulus. Active GB2587902B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2111044.0A GB2594668B (en) 2019-08-02 2020-07-28 Detector and method for measuring a resistance of a variable resistance sensor whose resistance varies with respect to a time-varying stimulus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/530,618 US10826512B1 (en) 2019-08-02 2019-08-02 System and method for removing error in a system having an analog-to-digital converter
US16/530,606 US11119134B2 (en) 2019-08-02 2019-08-02 Detector and method for measuring a resistance of a variable resistance sensor whose resistance varies with respect to a time-varying stimulus

Publications (3)

Publication Number Publication Date
GB202011696D0 GB202011696D0 (en) 2020-09-09
GB2587902A GB2587902A (en) 2021-04-14
GB2587902B true GB2587902B (en) 2022-01-12

Family

ID=72339194

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2111044.0A Active GB2594668B (en) 2019-08-02 2020-07-28 Detector and method for measuring a resistance of a variable resistance sensor whose resistance varies with respect to a time-varying stimulus
GB2011696.8A Active GB2587902B (en) 2019-08-02 2020-07-28 Detector and method for measuring a resistance of a variable resistance sensor whose resistance varies with respect to a time-varying stimulus.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB2111044.0A Active GB2594668B (en) 2019-08-02 2020-07-28 Detector and method for measuring a resistance of a variable resistance sensor whose resistance varies with respect to a time-varying stimulus

Country Status (1)

Country Link
GB (2) GB2594668B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110161313B (en) * 2019-06-19 2020-07-24 中南大学 High-precision resistance measurement system and method combining differential method and proportional method
CN121069025A (en) * 2021-06-02 2025-12-05 深圳硅基仿生科技股份有限公司 Measurement system for measuring the resistance value of a resistor under test.
CN115347895B (en) * 2022-09-16 2025-11-11 中科芯时代科技有限公司 ADC correction circuit applied to wide-range current detection

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5172115A (en) * 1991-02-15 1992-12-15 Crystal Semiconductor Corporation Ratiometric A/D converter with non-rationometric error offset
US6225802B1 (en) * 1998-07-17 2001-05-01 U.S. Philips Corporation Apparatus for automatic measurement of resistance of integrated MR device
US7607823B2 (en) * 2004-03-03 2009-10-27 Waters Technologies Corporation Leak detector comprising a self-heated thermistor control circuit
US20130314110A1 (en) * 2012-05-28 2013-11-28 Lsi Corporation Analog-to-Digital Converter With Power Supply-Based Reference
WO2014168634A1 (en) * 2013-04-12 2014-10-16 Hewlett-Packard Development Company, Lp Determining an attribute of an adapter based on a ratio of voltage divider output voltages
US20150091591A1 (en) * 2013-09-30 2015-04-02 Siemens Industry, Inc. Maximizing resolution of resistance sensing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5172115A (en) * 1991-02-15 1992-12-15 Crystal Semiconductor Corporation Ratiometric A/D converter with non-rationometric error offset
US6225802B1 (en) * 1998-07-17 2001-05-01 U.S. Philips Corporation Apparatus for automatic measurement of resistance of integrated MR device
US7607823B2 (en) * 2004-03-03 2009-10-27 Waters Technologies Corporation Leak detector comprising a self-heated thermistor control circuit
US20130314110A1 (en) * 2012-05-28 2013-11-28 Lsi Corporation Analog-to-Digital Converter With Power Supply-Based Reference
WO2014168634A1 (en) * 2013-04-12 2014-10-16 Hewlett-Packard Development Company, Lp Determining an attribute of an adapter based on a ratio of voltage divider output voltages
US20150091591A1 (en) * 2013-09-30 2015-04-02 Siemens Industry, Inc. Maximizing resolution of resistance sensing

Also Published As

Publication number Publication date
GB2594668A (en) 2021-11-03
GB2587902A (en) 2021-04-14
GB202011696D0 (en) 2020-09-09
GB202111044D0 (en) 2021-09-15
GB2594668B (en) 2022-04-27

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