Amplifiers – With semiconductor amplifying device – Including balanced to unbalanced circuits and vice versa
Patent
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.
Bingham Michael D.
Motorola Inc.
Mottola Steven
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