公开(公告)号：US10728012B2

公开(公告)日：2020-07-28

申请号：US15355180

申请日：2016-11-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dongil Yang

IPC: H04B1/44 ,  H04L5/14 ,  H04B1/52 ,  H04B1/48 ,  H04B1/401

Abstract: An electronic device is provided. The electronic device includes a housing; a communication circuit in the housing and configured to generate a signal for a time division duplexer (TDD) and a frequency division duplexer (FDD); an antenna electrically connected with the communication circuit; a plurality of electrical paths; and a control circuit, wherein each electrical path comprises a first transistor configured to connect with each electrical path in series, and a second transistor configured to connect with each electrical path and a ground, wherein the control circuit is configured to receive a wireless signal, select at least one of the TDD and the FDD to transmit the received wireless signal, and selectively activate a first transistor and a second transistor disposed in at least one electrical path and first and second transistors disposed in at least another electrical path among the plurality of electrical paths based on the selection.

公开(公告)号：US10284355B2

公开(公告)日：2019-05-07

申请号：US15190373

申请日：2016-06-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dongil Yang

IPC: H04L5/14 ,  H03H7/40 ,  H03H9/72

Abstract: A communication device includes: a communication module configured to discover a network capable of communication; a processor configured to identify a first frequency band of the network and to output a control signal for changing a pass band of a band pass filter; a multiplexer configured to change the pass band of the band pass filter to correspond to the first frequency band of the network; and a tunable tuner circuit configured to change an impedance thereof according to the control signal.