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. 29, 2022
Filed:
May. 13, 2020
Applicant:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Inventor:
Nobuyasu Beppu, Kyoto, JP;
Assignee:
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/72 (2006.01); H03G 3/10 (2006.01); H03F 3/19 (2006.01); H04B 1/16 (2006.01);
U.S. Cl.
CPC ...
H03G 3/10 (2013.01); H03F 3/19 (2013.01); H04B 1/16 (2013.01); H03F 2200/165 (2013.01); H03F 2200/294 (2013.01); H03F 2200/451 (2013.01); H03G 2201/106 (2013.01);
Abstract
An amplifier circuit includes a first terminal and a second terminal, an amplifier disposed in a first path connecting the first terminal and the second terminal, a first switch circuit disposed in the first path between the amplifier and the second terminal, an attenuator disposed in the first path between the amplifier and the first switch circuit, and a second switch circuit disposed in a second path that is connected to the first terminal and the second terminal while bypassing the amplifier, the attenuator, and the first switch circuit.