公开(公告)号：US20240128625A1

公开(公告)日：2024-04-18

申请号：US17769447

申请日：2020-10-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Donggyu MINN ,  Youngchang YOON ,  Daehyun KANG ,  Kyuhwan AN

IPC: H01P1/22 ,  H03H11/28 ,  H03H11/40

CPC classification number: H01P1/227 ,  H03H11/28 ,  H03H11/40

Abstract: The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting a higher data transmission rate than a 4th generation (4G) communication system such as Long-Term Evolution (LTE). The present disclosure provides a device for variable signal attenuation equipped in a stack-up structure inside an RFIC. The device for signal attenuation comprises: a first transmission line positioned on a first layer inside the RFIC; a second transmission line positioned on a second layer, which is adjacent to the first layer, and electromagnetically coupled to the first transmission line; and a control unit. The first transmission line comprises an impedance control unit on one side. The control unit can variably control the impedance control unit.

公开(公告)号：US20220018892A1

公开(公告)日：2022-01-20

申请号：US17378592

申请日：2021-07-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Donggyu MINN ,  Daehyun KANG ,  Yonghoon KIM ,  Jihoon KIM ,  Hyundo RYU ,  Jeeho PARK ,  Sunggi YANG ,  Youngchang YOON ,  Sehyug JEON

IPC: G01R31/28 ,  G01R27/32 ,  G01R31/3167

Abstract: The disclosure relates to an RFIC apparatus, and more particularly, to an RFIC circuit having a test circuit, a test apparatus, and a test method thereof. Further, the disclosure relates to a method for estimating or determining a DC gain using a test apparatus and an RF circuit in a DC/AC test stage, and detecting defects of the RF circuit based on the estimated or determined DC gain.

公开(公告)号：US20220399944A1

公开(公告)日：2022-12-15

申请号：US17890091

申请日：2022-08-17

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION

Inventor： Hyunchul PARK ,  Ho-Jin SONG ,  Seunguk CHOI ,  Yonghoon KIM ,  Donggyu MINN ,  Yuichi AOKI

IPC: H04B17/12 ,  H04B17/10

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). An electronic device, in a wireless communication system, may include: a processor, an antenna array, a plurality of first radio frequency (RF) paths related to a first stream, the first RF paths each including a transmit (TX) path and a receive (RX) path, and a plurality of second RF paths related to a second stream, the second RF paths each including a TX path and an RX path, and the processor may be configured to: generate a calibration signal for the antenna array, obtain characteristic information of the antenna array based on a phase difference or a gain difference between one TX path having the first stream and one RX path having the second stream obtained for each of measurement RF paths among the plurality of the first RF paths, and calibrate the plurality of the first RF paths based on the characteristic information.

公开(公告)号：US20200228080A1

公开(公告)日：2020-07-16

申请号：US16740157

申请日：2020-01-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngchang YOON ,  Donggyu MINN ,  Kyuhwan AN ,  Sangho LEE

IPC: H03G3/30 ,  H03H11/28

Abstract: An apparatus including an electronic circuit. The apparatus includes a path unit configured to form a first impedance for controlling a gain of an input signal. The apparatus also includes a shunt unit configured to form a second impedance for performing attenuation between the path unit and a ground, wherein the path unit forms the first impedance using an on-resistance of at least one transistor.