NASA NTRS · 19890000003
Capacitive Displacement Sensor With Frequency Readout
Abstract
Simple displacement-measuring circuit senses capacitance between two parallel conducting plates and produces output signal, with frequency proportional to distance between plates. Principle of circuit provides advantages over other methods because of frequency-encoded output and high linearity. Used to measure displacements.
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Fritsch, Klaus. 1989-01-01. Capacitive Displacement Sensor With Frequency Readout. https://ntrs.nasa.gov/citations/19890000003
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