Interface circuit

Details Interface circuit Interface circuit

1991-12-23

1992-10-13

Mottola, Steven

Amplifiers

With semiconductor amplifying device

Including balanced to unbalanced circuits and vice versa

330 9, 7386263, 73862622, H03F 102, H03F 345

Patent

active

051554500

ABSTRACT:
A circuit for interfacing with the outputs of a differential pressure sensor provides a single-ended output voltage translated in voltage level with respect to the differential voltage applied thereto from the sensor while cancelling the common mode offset voltage of the sensor so that the output voltage is independent of the common mode offset voltage. The circuit includes four operational amplifiers arranged as a differential-to-single ended converter with gain.

REFERENCES:
patent: 4720686 (1988-01-01), Westwick
patent: 5012436 (1991-04-01), Burri
patent: 5048343 (1991-09-01), Oboodi et al.

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