公开(公告)号：US20190089396A1

公开(公告)日：2019-03-21

申请号：US15988147

申请日：2018-05-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： TAEWAN KIM ,  Chia-Hsin WU ,  Qing LIU

IPC: H04B1/40 ,  H03F3/24 ,  H03H7/38 ,  H03F1/56 ,  H04B1/04 ,  H04W88/06

Abstract: A transmitter device which transmits a first transmit signal and a second transmit signal having different wireless communication standards. The transmitter device includes a power amplifier that amplifies the first transmit signal in a first transmission mode. A first impedance circuit provides the amplified first transmit signal to a radio frequency output port. A second impedance circuit is connected to the first impedance circuit and provides an additional impedance to the first impedance circuit in the first transmission mode. A first switch provides the second transmit signal to the first impedance circuit in a second transmission mode. A second switch connects the second impedance circuit and a ground in the first transmission mode, and floats the second impedance circuit in the second transmission mode

公开(公告)号：US20190326977A1

公开(公告)日：2019-10-24

申请号：US16375385

申请日：2019-04-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chia-Hsin WU ,  Thomas Byunghak Cho ,  Tae-wan Kim ,  Joung-hyun Yim ,  In-young Choi

IPC: H04B7/08 ,  H04B7/06 ,  H04B7/0413

Abstract: A wireless communication device for transceiving signals by using carrier aggregation is provided. The wireless communication device includes a first antenna configured to transmit a first signal to an outside of the wireless communication device or receive a second signal from the outside; a first transmitter connected to the first antenna via a first node and configured to generate the first signal by combining plural transmitting carrier signals received over a plural transmitting carriers; and a first receiver connected to the first antenna via the first node and configured to divide the second signal into a plural receiving carrier signals received over a plural receiving carriers. The first receiver includes a first receiving amplifier commonly connected to a plural carrier receivers configured to amplify the second signal received from the first antenna and to divide the receiving carrier signals, respectively.