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:
Mar. 12, 2013
Filed:
Jul. 19, 2011
Applicants:
Hiroaki Deguchi, Kanagawa, JP;
Kaname Ebihara, Kanagawa, JP;
Inventors:
Hiroaki Deguchi, Kanagawa, JP;
Kaname Ebihara, Kanagawa, JP;
Assignee:
Sumitomo Electric Device Innovations, Inc., Yokohama-shi, Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/68 (2006.01);
U.S. Cl.
CPC ...
Abstract
A Doherty amplifier includes a carrier amplifier including a first FET, the first FET having a plurality of gate electrodes, and a peaking amplifier including a second FET, the second FET having a plurality of gate electrodes, a gate-to-gate interval of the gate electrodes of the second FET being shorter than a gate-to-gate interval of the first FET.