The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 19, 2008
Filed:
Jun. 22, 2006
Applicants:
Arthur Russell Blumen, Centreville, VA (US);
Kenneth R. Knowles, Manassas, VA (US);
Inventors:
Arthur Russell Blumen, Centreville, VA (US);
Kenneth R. Knowles, Manassas, VA (US);
Assignee:
BAE Systems Information and Electronic Systems Integration Inc., Nashua, NH (US);
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/45 (2006.01); H03F 13/00 (2006.01);
U.S. Cl.
CPC ...
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.