Input offset voltage corrector

Details Input offset voltage corrector Input offset voltage corrector

2006-08-30

2008-09-09

Nguyen, Khanh V (Department: 2817)

Amplifiers

With periodic switching input-output

Reexamination Certificate

active

07423478

ABSTRACT:
An input offset voltage corrector used in an operational amplifier includes a switch unit, a register unit, an offset voltage correction unit and a micro control unit. The micro control unit sets the register unit to control the switch unit to switch the input offset voltage corrector to different operating modes. If an input offset voltage corrector is set to the offset voltage correcting mode, the offset voltage correction unit will adjust the input offset voltage of the operational amplifier to output an exact signal. Furthermore, the input offset voltage corrector can adjust the input offset voltage anytime according to the operating conditions to maintain the best characteristic of the operational amplifier.

REFERENCES:
patent: 6653893 (2003-11-01), Casper et al.

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