Signal detection circuit with self-adjusting threshold having modulated carrier input
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United States of America Patent
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-
Jan 11, 1983
Issued Date -
N/A
app pub date -
Oct 20, 1980
filing date -
Aug 8, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An amplifier circuit for use with variable inductance type position sensors and others which provide modulated carrier outputs, whereby the circuit is conditioned by the cyclical modulation output from the sensor. The circuit condition sets a threshold level based upon the signal output from the sensor so that the signal from the circuit is a voltage replica of the input signal that is enhanced to have predetermined and constant high and low peak values without regard to peak value variations in the cyclical signal received from the sensor.
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