logo

For the Inventor, By the Inventor

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.:

US 9774298 B1

PDFFull Text
Date of Patent:
Sep. 26, 2017

Filed:

Feb. 10, 2016

High-frequency amplifier

Applicant:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Inventors:

Kenta Kuroda, Suginami, JP;

Kazutaka Takagi, Kawasaki, JP;

Assignee:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Hieu Nguyen

Int. Cl.
CPC ...
H03F 1/02 (2006.01); H03F 3/193 (2006.01); H03F 1/56 (2006.01); H01L 23/66 (2006.01); H01L 23/00 (2006.01); H03F 3/195 (2006.01); H03F 3/60 (2006.01);
U.S. Cl.
CPC ...
H03F 1/0205 (2013.01); H01L 23/66 (2013.01); H01L 24/49 (2013.01); H03F 1/565 (2013.01); H03F 3/193 (2013.01); H03F 3/195 (2013.01); H03F 3/602 (2013.01); H01L 2223/6611 (2013.01); H01L 2223/6655 (2013.01); H01L 2224/4813 (2013.01); H01L 2224/48157 (2013.01); H01L 2224/49111 (2013.01); H01L 2224/49175 (2013.01); H01L 2924/00014 (2013.01); H01L 2924/13064 (2013.01); H01L 2924/30111 (2013.01); H03F 2200/222 (2013.01); H03F 2200/387 (2013.01); H03F 2200/423 (2013.01); H03F 2200/451 (2013.01);
Abstract

According to one embodiment, a high-frequency amplifier includes an active element and an output matching circuit. The active element is provided on a substrate. The active element is configured to amplify a signal having a frequency band. The active element includes a cell region. The output matching circuit is connected to the active element. The output matching circuit includes a wire, a transmission line and an output terminal. The wire includes an input end and an output end. The input end of the wire is connected to an output part of the cell region of the active element. The transmission line is provided on the substrate. The transmission line includes an input part and an output part. The input part of the transmission line is connected to the output end of the wire. The output terminal is provided on the substrate.

Find Patent Forward Citations

Loading…