Invention Grant
- Patent Title: Front-end circuit and communication device
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Application No.: US17322986Application Date: 2021-05-18
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Publication No.: US11581912B2Publication Date: 2023-02-14
- Inventor: Junpei Yasuda
- Applicant: Murata Manufacturing Co., Ltd.
- Applicant Address: JP Nagaokakyo
- Assignee: Murata Manufacturing Co., Ltd.
- Current Assignee: Murata Manufacturing Co., Ltd.
- Current Assignee Address: JP Nagaokakyo
- Agency: Keating & Bennett, LLP
- Priority: JPJP2018-227207 20181204
- Main IPC: H04B1/16
- IPC: H04B1/16 ; H04B1/00 ; H04B1/04 ; H04B1/44

Abstract:
A front-end circuit includes an antenna connection terminal, a selection terminal, and a selection terminal, a switching circuit including a common terminal and selection terminals, a receive filter configured to pass a radio-frequency signal in Band B, a signal path connecting the selection terminal and the selection terminal and including the receive filter, a signal path connecting the selection terminal and the selection terminal and defining and functioning as a bypass path without any filter, and a filter coupled between the antenna connection terminal and the common terminal and configured to pass a first frequency range group including Band B.
Public/Granted literature
- US20210273670A1 FRONT-END CIRCUIT AND COMMUNICATION DEVICE Public/Granted day:2021-09-02
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