JPS56111411A - Feedback type linearizing device - Google Patents

Feedback type linearizing device

Info

Publication number
JPS56111411A
JPS56111411A JP1380880A JP1380880A JPS56111411A JP S56111411 A JPS56111411 A JP S56111411A JP 1380880 A JP1380880 A JP 1380880A JP 1380880 A JP1380880 A JP 1380880A JP S56111411 A JPS56111411 A JP S56111411A
Authority
JP
Japan
Prior art keywords
feedback
output
gain
circuit
amplifier
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.)
Pending
Application number
JP1380880A
Other languages
Japanese (ja)
Inventor
Akio Furuse
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.)
Cosmo Instruments Co Ltd
Original Assignee
Cosmo Instruments Co 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
Application filed by Cosmo Instruments Co Ltd filed Critical Cosmo Instruments Co Ltd
Priority to JP1380880A priority Critical patent/JPS56111411A/en
Publication of JPS56111411A publication Critical patent/JPS56111411A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/02—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation
    • G01D3/021—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation using purely analogue techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Technology Law (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Feedback Control In General (AREA)
  • Amplifiers (AREA)

Abstract

PURPOSE:To enable feedback linearization even if a characteristic function is not ideal one, by attaining the linearization by controlling the gain of a feedback circuit corresponding to the range where the magnitude of an output belongs. CONSTITUTION:The output of buffer circuit 24 to which an input signal is applied is applied to operational amplifier 32 provided with feedback resistance 33 via variable resistance 31 grounded via variable resistance 25, etc., to obtain a linearized output signal. When the output of this circuit 24 increases beyond prescribed linear region limit xm, idealising-rectifying circuit 35 connected to bias circuit 36 generates an output, and through the feedback to variable resistance 38 via inverting amplifier 37, the feedback gain is added to the feedback gain depending upon resistance 25 to determine the amount of feedback. Then, the gain of amplifier 32 is controlled to make corrections so that the output of amplifier 32 will successively be linear. Thus, even if the characteristic function is not ideal one, the output is fed back and linearized.
JP1380880A 1980-02-06 1980-02-06 Feedback type linearizing device Pending JPS56111411A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1380880A JPS56111411A (en) 1980-02-06 1980-02-06 Feedback type linearizing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1380880A JPS56111411A (en) 1980-02-06 1980-02-06 Feedback type linearizing device

Publications (1)

Publication Number Publication Date
JPS56111411A true JPS56111411A (en) 1981-09-03

Family

ID=11843563

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1380880A Pending JPS56111411A (en) 1980-02-06 1980-02-06 Feedback type linearizing device

Country Status (1)

Country Link
JP (1) JPS56111411A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2531528A1 (en) * 1982-08-04 1984-02-10 Solomat Sa Circuit for detection and measurement of a physical quantity with the aid of an impedance which is variable as a function of the quantity to be measured.
FR2559974A1 (en) * 1984-02-21 1985-08-23 Mine Safety Appliances Co LINEARIZATION CIRCUIT WITH SINGLE BREAK POINT

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2531528A1 (en) * 1982-08-04 1984-02-10 Solomat Sa Circuit for detection and measurement of a physical quantity with the aid of an impedance which is variable as a function of the quantity to be measured.
FR2559974A1 (en) * 1984-02-21 1985-08-23 Mine Safety Appliances Co LINEARIZATION CIRCUIT WITH SINGLE BREAK POINT

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