Capacitive measuring probe and circuit therefor

作者： Shelby R Smith

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参考文章(5)

Richard H Bangert, Oscillator with dual function isolation amplifier and frequency determining transistor ,(1962)

Krausz Robert, Subminiature crystal oscillator of high stability ,(1964)

Clyde W Baird, System for measuring a property of a dielectric material by applying signals at two different frequencies to a capacitance probe through tuned input circuits ,(1960)

Richard W Brounley, Frequency modulated crystal controlled oscillator ,(1962)

John M Wolfskill, Piezoelectric crystal apparatus ,(1940)