Linearization circuit

G - Physics – 01 – K

Patent

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340/156, 328/174

G01K 3/02 (2006.01) G01K 7/14 (2006.01) G01K 7/25 (2006.01) G01R 15/00 (2006.01)

Patent

CA 1134465

ABSTRACT OF THE DISCLOSURE A voltage linearization circuit for use with a resistance thermometer device or a thermocouple to produce a nearly linear output signal from a non- linear input signal. The circuit produces a voltage proportional to the square of the input voltage through the use of operational amplifiers and field- effect transistors connected in voltage dividing arrangements, and combines this second order voltage, or a reduced magnitude thereof, with the original input voltage to produce a nearly linear output signal.

327591

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