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:
May. 24, 2022
Filed:
Nov. 16, 2020
Applicant:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Inventors:
Daisuke Watanabe, Kyoto, JP;
Nobuyasu Beppu, Kyoto, JP;
Assignee:
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 1/22 (2006.01); H03F 1/56 (2006.01); H03F 1/02 (2006.01); H03F 3/193 (2006.01);
U.S. Cl.
CPC ...
H03F 1/56 (2013.01); H03F 1/0205 (2013.01); H03F 3/193 (2013.01); H03F 2200/222 (2013.01);
Abstract
An amplifier circuit () includes a FET () having a source terminal (S), a drain terminal (D), and a gate terminal (G), a FET () having a source terminal (S), a drain terminal (D), and a gate terminal (G) and coupled in parallel with the FET (), a FET () having a source terminal (S) coupled to the drain terminals (Dand D), a drain terminal (D), and a gate terminal (G) and cascoded with the FETs (and), and feedback circuits (and) configured to feed back to the gate terminal (G) a high frequency signal outputted from the source terminal (S) or the drain terminal (D).