Linearization circuit
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United States of America Patent
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Dec 23, 1980
Grant Date -
N/A
app pub date -
Jan 17, 1979
filing date -
Jan 17, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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.
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