Correcting DC offsets in a multi-stage amplifier

Details Correcting DC offsets in a multi-stage amplifier Correcting DC offsets in a multi-stage amplifier

2006-04-25

2006-04-25

Jeanpierre, Peguy (Department: 2819)

Amplifiers

With periodic switching input-output

C330S069000, C330S051000

Reexamination Certificate

active

07034608

ABSTRACT:
A method for correcting DC offsets in a multi-stage amplifier includes determining a DC offset imparted by a multi-stage amplifier to an input signal. The method further includes applying a correction voltage to a plurality of selected stages in the multi-stage amplifier. The total correction voltage applied substantially negates the DC offset imparted by the multi-stage amplifier.

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patent: 6130581 (2000-10-01), Nevin
patent: 6756924 (2004-06-01), Lee et al.

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