Capacitive pressure transducer signal conditioning circuit

Details Capacitive pressure transducer signal conditioning circuit Capacitive pressure transducer signal conditioning circuit

1983-08-29

1985-05-14

Griffin, Donald A.

Electricity: electrical systems and devices

Electrostatic capacitors

Variable

73718, 361434, H01G 700, H01G 916, G01L 912

Patent

active

045176221

ABSTRACT:
Signal conditioning circuitry for a three plate capacitive pressure transducer eliminates the effects of parasitic capacitance in the transducer's output, to provide a true indication of sensed pressure magnitude as an electrical signal equivalent of the instantaneous value of only the pressure responsive capacitance of the transducer.

REFERENCES:
patent: 3634727 (1972-01-01), Polye
patent: 3858097 (1974-12-01), Polye
patent: 4262540 (1981-04-01), Tamai et al.
patent: 4386312 (1983-05-01), Briefer

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