公开(公告)号：US20220376734A1

公开(公告)日：2022-11-24

申请号：US17708408

申请日：2022-03-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Minchul KANG ,  Sanghyo LEE ,  Kyeongdo KIM ,  Inhyuk KIM

IPC: H04B1/40 ,  H04B1/10 ,  H03H7/38 ,  H03H7/06 ,  H02J50/80

Abstract: A communication device is provided. The communication device includes: an antenna; a matching circuit connected with the antenna; a transmitter configured to generate a transmission communication signal and provide the transmission communication signal to the antenna through the matching circuit; a filter connected between the matching circuit and the antenna; and a receiver configured to receive an attenuated signal from the antenna through the filter. The filter is configured to pass frequencies of an antenna signal corresponding to a pass band and attenuate frequencies of the antenna signal corresponding to a stop band, and a center frequency of the transmission communication signal corresponds to the stop band of the filter.