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:
Dec. 23, 2014
Filed:
Jan. 12, 2012
Applicants:
David R. Helms, Tyngsboro, MA (US);
Dana J. Sturzebecher, Cary, NC (US);
Inventors:
David R. Helms, Tyngsboro, MA (US);
Dana J. Sturzebecher, Cary, NC (US);
Assignee:
Lockheed Martin Corporation, Bethesda, MD (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03C 1/52 (2006.01);
U.S. Cl.
CPC ...
Abstract
A radio frequency (RF) power limiter including a signal conductor having an input end and an output end and first and second limiter stages. The first limiter stage comprises a plurality of stacked diode strings arranged in anti-parallel with respect to the signal conductor. The second limiter stage comprises a second plurality of stacked diode strings arranged in anti-parallel with respect to the signal conductor. An all pass filter is arranged between the first and second limiter stages.