公开(公告)号：US20190109363A1

公开(公告)日：2019-04-11

申请号：US16152698

申请日：2018-10-05

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Hiroshi Okabe

IPC: H01P5/18 ,  H03H7/38 ,  H01P1/24

CPC classification number: H01P5/18 ,  H01P1/213 ,  H01P1/24 ,  H03H7/38 ,  H04B1/0458 ,  H04B1/0483

Abstract: A bidirectional coupler includes a first main line that transmits a first signal from a first input end thereof to a first output end thereof, a second main line that transmits a second signal from a second input end thereof to a second output end thereof, a first sub-line having a first end corresponding to the first input end and a second end corresponding to the first output end, a second sub-line having a first end corresponding to the second input end and a second end corresponding to the second output end, a detector port, a termination circuit, and a switch circuit. The first end of the first sub-line and the first end of the second sub-line are connected to each other.