Linearizing circuits for a semiconductor pressure transducer

Details Linearizing circuits for a semiconductor pressure transducer Linearizing circuits for a semiconductor pressure transducer

1982-03-08

1983-12-06

Wong, Peter S.

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

73721, 73727, 7386263, 7386267, 323367, G01L 906, G01R 1710

Patent

active

044196202

ABSTRACT:
A circuit for linearizing the output of a differential pressure transducer includes first and second operational amplifiers. Each amplifier is associated with threshold devices as diodes so that one amplifier will be active for one condition of output polarity while the other amplifier will be active for the other condition of output polarity. The output of the amplifiers are connected to a common terminal which provides a compensating biasing voltage to the transducer. The voltage varies in a "V" shaped characteristic to enable one to achieve a linear output voltage from the transducer for both positive and negative pressure differences.

REFERENCES:
patent: 2771579 (1956-11-01), Ruge
patent: 3034346 (1962-05-01), Starr
patent: 3568044 (1971-03-01), Elazar
patent: 3743926 (1973-07-01), Yerman
patent: 4001669 (1977-01-01), Preuss
patent: 4362060 (1982-12-01), Okayama et al.

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