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:
Aug. 13, 2019

Filed:

Sep. 26, 2018
Applicant:

Murata Manufacturing Co., Ltd., Nagaokakyo-shi, Kyoto-fu, JP;

Inventor:

Kiyoshi Aikawa, Nagaokakyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/06 (2006.01); H04B 1/10 (2006.01); H04M 1/00 (2006.01); H03F 1/56 (2006.01); H04B 1/18 (2006.01); H03F 3/189 (2006.01); H04B 1/00 (2006.01);
U.S. Cl.
CPC ...
H03F 1/565 (2013.01); H03F 3/189 (2013.01); H04B 1/006 (2013.01); H04B 1/18 (2013.01); H03F 2200/111 (2013.01); H03F 2200/165 (2013.01); H03F 2200/222 (2013.01); H03F 2200/294 (2013.01); H03F 2200/387 (2013.01);
Abstract

A high-frequency circuit includes a first signal path transmitting a high-frequency signal in a first frequency band group, a second signal path transmitting a high-frequency signal in a second frequency band group, a switch including a common terminal and selection terminals, a first low noise amplifier including an input terminal connected to the first signal path and an output terminal connected to a first selection terminal, a second low noise amplifier including an input terminal connected to the second signal path and an output terminal connected to a second selection terminal, and an output-side impedance matching circuit that matches impedance at the output side of the first low noise amplifier or impedance at the output side of the second low noise amplifier with a predetermined impedance with a conductive state between the a third selection terminal and the common terminal.


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