Digital compensation circuit for calibration of sensors

Details Digital compensation circuit for calibration of sensors Digital compensation circuit for calibration of sensors

1996-04-01

1998-08-25

Mullen, Jr., Thomas J.

Communications: electrical

Condition responsive indicating system

With particular system function

340506, 340511, G08B 2300

Patent

active

057986924

ABSTRACT:
A digital compensation circuit for calibrating a sensor includes a serial communication circuit for receiving data relating to a plurality of parameters and a plurality of registers coupled to the serial communication circuit; one of plurality of registers for reading temperature information. The digital compensation circuit further includes a digital trim circuit for adjusting the temperature information in the one of plurality of registers to a predetermined value at an initial calibration temperature. Finally, the digital compensation circuit further includes means responsive to the digital trim circuit for measuring gain and offset at a predetermined value of the physical parameter being measured.

REFERENCES:
patent: 4272760 (1981-06-01), Prazak et al.
patent: 5319370 (1994-06-01), Siqnore et al.

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