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公开(公告)号:US20250167816A1
公开(公告)日:2025-05-22
申请号:US18950445
申请日:2024-11-18
Applicant: Samsung Electronics Co., Ltd.
Inventor: Heesung LEE , Jaekwang KWON , Dongki KIM , Seongkyun KIM , Hyohyun NAM , Kyeongho YEOM , Daeyoung LEE
Abstract: The disclosure relates to a 5G or 6G communication system for supporting a data transmission rate higher than a 4G communication system such as LTE. An electronic device in a wireless communication system may include a PA and an SM configured to supply power to the PA, wherein the SM may include a linear SM to which a signal for an envelope tracking (ET) is input, and a first SM connected to the linear SM and comprising a first converter for direct current (DC)-DC conversion and at least one lumped element connected to the first converter, and the first SM may be configured to convert the signal for the ET into a first digital signal, to generate a first control signal for the first converter based on a change of a voltage value of the first digital signal, to generate a second digital signal by delaying the first digital signal by a predetermined clock, and to control the at least one lumped element based on the first digital signal and the second digital signal to adjust a current output from the first SM.
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公开(公告)号:US20230378943A1
公开(公告)日:2023-11-23
申请号:US18156106
申请日:2023-01-18
Applicant: Samsung Electronics Co., Ltd.
Inventor: Hyeongjin KIM , Hyohyun NAM , Dongki KIM , Dae Young LEE
CPC classification number: H03K5/00006 , H03K17/56
Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system or a 6th-Generation (6G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system. A frequency multiplier of a wireless communication system is provided. The frequency multiplier includes an input circuit to which a local oscillator (LO) signal is input, a multiplier circuit having one end connected to the input circuit and another end connected to a lower terminal of a load circuit, a load circuit having an upper terminal connected to a voltage controller, and a voltage controller configured between the upper terminal of the load circuit and an input power source, wherein the voltage controller may be configured to drop a voltage between the input power source and the upper terminal of the load circuit and reinput a feedback voltage based on an upper terminal voltage of the load circuit to the voltage controller, and a method of multiplying a frequency using the same.
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公开(公告)号:US20240333321A1
公开(公告)日:2024-10-03
申请号:US18615412
申请日:2024-03-25
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hyohyun NAM , Jungsik KIM , Daeyoung LEE , Heesung LEE
CPC classification number: H04B1/0078 , H04B1/04 , H04B2001/0408
Abstract: The present disclosure relates to a 5G communication system or a 6G communication system for supporting higher data rates beyond a 4G communication system such as long term evolution (LTE). A low noise amplifier (LNA) in a wireless communication system according to an embodiment of the disclosure includes a first transistor and a first feedback transformer in which a gate of the first transistor is connected to a primary coil of the first feedback transformer and a source of the first transistor is connected to a secondary coil of the first feedback transformer. The first feedback transformer is configured to implement positive feedback to maintain an in-phase signal at the gate of the first transistor and the source of the first transistor.
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公开(公告)号:US20240322849A1
公开(公告)日:2024-09-26
申请号:US18305738
申请日:2023-04-24
Applicant: Samsung Electronics Co., Ltd.
Inventor: Jungsik KIM , Dongki KIM , Seongkyun KIM , Hyohyun NAM , Daeyoung LEE , Chaejun LEE
Abstract: A communication device configured to transmit/receive a radio frequency (RF) signal is provided. The device includes a transceiver including an amplifier device using a multi-loop inter-stage matching (ISM) transformer, and a processor configured to control an operation of the amplifier based on a signal strength during transmission/reception of the RF signal. The transformer is disposed between a first amplifier and a second amplifier and includes a plurality of primary loops and a plurality of secondary loops, each primary loop includes an inductor component having a different size and a different Q-factor and each secondary loop includes an inductor component having a different size and a different Q-factor. The processor adjusts an attenuation level of the transformer by controlling a switching connection to the first amplifier and the second amplifier for one primary loop among the plurality of primary loops and one secondary loop among the plurality of secondary loops.
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公开(公告)号:US20210058102A1
公开(公告)日:2021-02-25
申请号:US16999552
申请日:2020-08-21
Applicant: Samsung Electronics Co., Ltd. , Dongguk University Industry-Academic Cooperation Foundation
Inventor: Jung-Dong PARK , Woojae LEE , Juho SON , Hyohyun NAM
Abstract: The 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 operation method of a device for upconversion in a wireless communication system is provided. The method includes receiving a first local oscillator (LO) signal, generating a second LO signal, based on the first LO signal and cross-coupled latches, receiving an input signal, generating an upconverted frequency, based on the second LO signal and the input signal, generating an output signal obtained by processing a harmonic component included in the upconverted frequency, and transmitting the generated output signal.
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