Temperature compensation circuit for pressure sensor

Details Temperature compensation circuit for pressure sensor Temperature compensation circuit for pressure sensor

1982-02-01

1984-07-31

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307309, 307490, 328 3, H03K 1790, G06G 712

Patent

active

044632746

ABSTRACT:
A circuit is disclosed for temperature compensating the output voltage thereof with respect to undesireable temperature induced signals from a pressure transducer and/or the circuit itself. The circuit comprises a pressure transducer, two operational amplifier stages, and an output stage. One operational amplifier is coupled between the pressure transducer and a summing node. Two compensation networks, one each coupled between the pressure transducer excitation input terminals and two voltage source terminals, nulls temperature induced voltages at the summing node.

REFERENCES:
patent: 4052677 (1977-10-01), Hogan
patent: 4080075 (1978-03-01), Berg
patent: 4352053 (1982-09-01), Oquchi et al.

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