Offset compensation for rail-to-rail avereraging circuit

Details Offset compensation for rail-to-rail avereraging circuit Offset compensation for rail-to-rail avereraging circuit

2011-01-04

2011-01-04

Mai, Tan V (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical analog calculating computer

Particular function performed

C708S445000

Reexamination Certificate

active

07865543

ABSTRACT:
An averaging circuit includes an averaging unit and an offset compensation unit. The averaging unit generates an average signal from first and second input signals. The offset compensating unit is coupled to the averaging unit for conducting away bias currents from the averaging unit for preventing an offset in the average signal when any of the first and second input signals is too low or too high.

REFERENCES:
patent: 5469106 (1995-11-01), Dow
patent: 6437630 (2002-08-01), Gilbert
patent: 6963244 (2005-11-01), Carter

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