Pressure sensor

Details Pressure sensor Pressure sensor

1992-02-24

1994-04-05

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Electrical

73727, 324678, G01L 900

Patent

active

052994600

ABSTRACT:
A circuit for a pulse width modulating a sensor (12) has been provided. The circuit includes a first switch (22) for alternately coupling the sensor between first and second supply voltage terminals. The circuit also includes second (24) and third (28) switches and first and second capacitors for sampling the differential voltage appearing at outputs of the sensor when the first switch is in a closed state.

REFERENCES:
patent: 4539843 (1985-09-01), Wise

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