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. 26, 2014
Filed:
Apr. 08, 2011
Applicants:
Walter J. Sears, Westford, MA (US);
Aaron B. Johnson, Merrimack, NH (US);
Inventors:
Walter J. Sears, Westford, MA (US);
Aaron B. Johnson, Merrimack, NH (US);
Assignee:
BAE Systems Information and Electronic Systems Integration Inc., Nashua, NH (US);
Primary Examiner:
Int. Cl.
CPC ...
G01R 19/00 (2006.01); H03F 3/08 (2006.01);
U.S. Cl.
CPC ...
H03F 3/08 (2013.01);
Abstract
A method and system are provided for the monitoring of direct current bias, the system including switching an amplifier of known scale factor from low to high; monitoring a step change in bias generated by the gain change; measuring, the response to the bias change via appropriate peak detection logic; and determining the amount of bias present at an input based on AC response and the amplifier scale factor.