Apparatus for reducing offset voltage drifts in a charge...

Details Apparatus for reducing offset voltage drifts in a charge... Apparatus for reducing offset voltage drifts in a charge...

2006-06-22

2008-08-19

Mottola, Steven J (Department: 2817)

Amplifiers

Sum and difference amplifiers

C330S174000

Reexamination Certificate

active

07414466

ABSTRACT:
An apparatus for reducing offset voltage drifts in a charge amplifier circuit is disclosed. The apparatus includes a charge amplifier circuit and a bias current compensation circuit. The bias current compensation circuit supplies bias current to lower any offset voltage drift at the output of the charge amplifier.

REFERENCES:
patent: 7049729 (2006-05-01), Kashiwase et al.
patent: 2002/0125943 (2002-09-01), Yamashita

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