Precision analogue lineariser for thermocouples

Shubha, V and Ramesh, TG (1986) Precision analogue lineariser for thermocouples. Journal of Physics E: Scientific Instruments, 19 (11). pp. 916-919.

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Abstract

An analogue fourth-order polynomial curve-fitting circuit has been designed using only two precision squarers to linearise the thermocouple voltages of standard thermocouples. Typical design data and performance of the circuit are illustrated for the Type K thermocouple. This circuit can also be used to linearise the outputs of other types of transducers and simulate nonlinear variations with temperature of physical quantities such as the absolute thermoelectric power of chromel and alumel.

Item Type: Journal Article
Uncontrolled Keywords: Mathematical techniques-Linearization;Thermocouples; Analog fourth-order polynomial circuit;Analog linearization; Fourth-order linearizer; Electronic circuits
Subjects: PHYSICS > Physics(General)
Division/Department: Materials Science Division, Materials Science Division
Depositing User: Ms. Alphones Mary
Date Deposited: 17 Jun 2005
Last Modified: 24 May 2010 09:38
URI: http://nal-ir.nal.res.in/id/eprint/448

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