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:
May. 05, 2009
Filed:
Sep. 07, 2007
Applicants:
Colin S. Whelan, Wakefield, MA (US);
Raghu Mallavarpu, Boxborough, MA (US);
Matthew C. Tyhach, Medford, MA (US);
Inventors:
Colin S. Whelan, Wakefield, MA (US);
Raghu Mallavarpu, Boxborough, MA (US);
Matthew C. Tyhach, Medford, MA (US);
Assignee:
Raytheon Company, Waltham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A circuit having: an input matching network; a transistor coupled to an output of the input matching network; and wherein the input matching network has a first input impedance when such input matching network is fed with an input signal having a relatively low power level and wherein the input matching network has an input impedance different from the first input impedance when such input matching network is fed with an input signal having a relatively high power level.