CN109085516B - 磁传感器电路 - Google Patents

磁传感器电路 Download PDF

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Publication number
CN109085516B
CN109085516B CN201810612839.9A CN201810612839A CN109085516B CN 109085516 B CN109085516 B CN 109085516B CN 201810612839 A CN201810612839 A CN 201810612839A CN 109085516 B CN109085516 B CN 109085516B
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China
Prior art keywords
magnetic field
switch
resistor
operational amplifier
circuit
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CN201810612839.9A
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English (en)
Chinese (zh)
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CN109085516A (zh
Inventor
挽地友生
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Ablic Inc
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Ablic Inc
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
    • G01D5/145—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/10—Plotting field distribution ; Measuring field distribution
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/245—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train
    • G01D5/2451—Incremental encoders
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0005—Geometrical arrangement of magnetic sensor elements; Apparatus combining different magnetic sensor types
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
    • G01R33/0029—Treating the measured signals, e.g. removing offset or noise
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
    • G01R33/0041—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration using feed-back or modulation techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0088—Arrangements or instruments for measuring magnetic variables use of bistable or switching devices, e.g. Reed-switches
    • 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
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/129—Indexing scheme relating to amplifiers there being a feedback over the complete amplifier
    • 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
    • H03F2203/45116—Feedback coupled to the input of the differential amplifier
    • 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
    • H03F2203/45151—At least one resistor being added at the input of a dif amp
    • 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
    • H03F2203/45528—Indexing scheme relating to differential amplifiers the FBC comprising one or more passive resistors and being coupled between the LC and the IC

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measuring Magnetic Variables (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
CN201810612839.9A 2017-06-14 2018-06-14 磁传感器电路 Active CN109085516B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2017116858 2017-06-14
JP2017-116858 2017-06-14
JP2018-091806 2018-05-11
JP2018091806A JP7109249B2 (ja) 2017-06-14 2018-05-11 磁気センサ回路

Publications (2)

Publication Number Publication Date
CN109085516A CN109085516A (zh) 2018-12-25
CN109085516B true CN109085516B (zh) 2022-02-18

Family

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Application Number Title Priority Date Filing Date
CN201810612839.9A Active CN109085516B (zh) 2017-06-14 2018-06-14 磁传感器电路

Country Status (4)

Country Link
JP (1) JP7109249B2 (ja)
KR (1) KR20180136397A (ja)
CN (1) CN109085516B (ja)
TW (1) TWI767006B (ja)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5568047A (en) * 1994-08-10 1996-10-22 General Electric Company Current sensor and method using differentially generated feedback
JP2009150732A (ja) * 2007-12-19 2009-07-09 Asahi Kasei Electronics Co Ltd 位置検出装置
CN101641609A (zh) * 2007-03-23 2010-02-03 旭化成微电子株式会社 磁传感器及其灵敏度测量方法
WO2010147713A1 (en) * 2009-06-19 2010-12-23 Allegro Microsystems, Inc. Switched capacitor notch filter
CN203630326U (zh) * 2012-06-27 2014-06-04 英飞凌科技股份有限公司 垂直霍尔效应器件以及垂直霍尔效应传感器
CN104007400A (zh) * 2013-02-21 2014-08-27 精工电子有限公司 磁性传感器装置
JP2015132574A (ja) * 2014-01-15 2015-07-23 旭化成エレクトロニクス株式会社 磁気センサ及び回転角センサ
CN105929343A (zh) * 2015-02-27 2016-09-07 英飞凌科技股份有限公司 磁场传感器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS599510A (ja) * 1982-07-08 1984-01-18 Nippon Denso Co Ltd 方位検出装置
CN1174549C (zh) * 1997-08-22 2004-11-03 迪特拉有限公司 具有电感回馈振荡电路的感应式邻近传感器
JP2003317201A (ja) * 2002-04-26 2003-11-07 Mitsubishi Electric Corp 半導体集積回路
DE102004017191B4 (de) 2004-04-07 2007-07-12 Infineon Technologies Ag Vorrichtung und Verfahren zur Ermittlung einer Richtung eines Objekts
TWI481164B (zh) * 2012-08-13 2015-04-11 Leadtrend Tech Corp 應用於交流／直流轉換器的主動控制回授積體電路及其操作方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5568047A (en) * 1994-08-10 1996-10-22 General Electric Company Current sensor and method using differentially generated feedback
CN101641609A (zh) * 2007-03-23 2010-02-03 旭化成微电子株式会社 磁传感器及其灵敏度测量方法
JP2009150732A (ja) * 2007-12-19 2009-07-09 Asahi Kasei Electronics Co Ltd 位置検出装置
WO2010147713A1 (en) * 2009-06-19 2010-12-23 Allegro Microsystems, Inc. Switched capacitor notch filter
CN203630326U (zh) * 2012-06-27 2014-06-04 英飞凌科技股份有限公司 垂直霍尔效应器件以及垂直霍尔效应传感器
CN104007400A (zh) * 2013-02-21 2014-08-27 精工电子有限公司 磁性传感器装置
JP2015132574A (ja) * 2014-01-15 2015-07-23 旭化成エレクトロニクス株式会社 磁気センサ及び回転角センサ
CN105929343A (zh) * 2015-02-27 2016-09-07 英飞凌科技股份有限公司 磁场传感器

Also Published As

Publication number Publication date
KR20180136397A (ko) 2018-12-24
TWI767006B (zh) 2022-06-11
CN109085516A (zh) 2018-12-25
JP7109249B2 (ja) 2022-07-29
JP2019002911A (ja) 2019-01-10
TW201905421A (zh) 2019-02-01

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Address after: Nagano

Patentee after: ABLIC Inc.

Address before: Chiba County, Japan

Patentee before: ABLIC Inc.