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:
Nov. 30, 2021
Filed:
Dec. 19, 2019
Applicant:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Inventors:
Assignee:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 1/22 (2006.01); H03F 1/02 (2006.01); H03F 1/56 (2006.01); H03F 3/21 (2006.01); H04B 1/16 (2006.01); H04B 1/04 (2006.01);
U.S. Cl.
CPC ...
H03F 1/0211 (2013.01); H03F 1/56 (2013.01); H03F 3/21 (2013.01); H03F 2200/171 (2013.01); H03F 2200/387 (2013.01); H03F 2200/451 (2013.01); H04B 1/04 (2013.01); H04B 1/16 (2013.01);
Abstract
A power amplifier circuit includes a first transistor; a first bias circuit that supplies a first bias current or voltage; a capacitor; a first inductor; a second inductor; a second transistor; a second bias circuit that supplies a second bias current or voltage; a third inductor; a third transistor; a third bias circuit that supplies a third bias current or voltage; and a fourth inductor.