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.

Date of Patent:
Mar. 01, 2022

Filed:

Feb. 09, 2018
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventor:

Takaaki Yoshioka, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/68 (2006.01); H03F 3/191 (2006.01); H03F 1/02 (2006.01); H03F 1/56 (2006.01); H03F 3/04 (2006.01);
U.S. Cl.
CPC ...
H03F 1/0205 (2013.01); H03F 1/565 (2013.01); H03F 3/04 (2013.01); H03F 2200/222 (2013.01);
Abstract

An amplifier includes: a circuit pattern providing a plurality of signal paths having different lengths; a transistor chip; a plurality of pads of transistor cells, the pads being electrically connected to the circuit pattern and being arranged on the transistor chip; a plurality of the transistor cells; a plurality of transmission lines for connecting each of the plurality of pads and each of the plurality of transistor cells, the transmission lines being arranged on the transistor chip, and a plurality of harmonic processing circuits each connected to each of the plurality of transmission lines and arranged on the transistor chip. The plurality of harmonic processing circuits each has a capacitor and an inductor, and a product of the capacitance of the capacitor and the inductance of the inductor is made constant in each of the plurality of harmonic processing circuits.


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