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公开(公告)号：US20250070759A1
公开(公告)日：2025-02-27
申请号：US18810639
申请日：2024-08-21
Applicant: Samsung Electronics Co., Ltd.
Inventor： Bosung SUH , Byoungjoong KANG , Heeyong YOO , Beomyu PARK , Jeongyeol BAE , Sangmin YOO , Jongsoo LEE
Abstract: An electronic device includes an amplifier circuit configured to amplify a radio frequency (RF) signal received from an antenna, the RF signal having a receiving power, an attenuator circuit connected between the amplifier circuit and a mixer, the attenuator circuit including at least one resistor and at least one transistor, and a processor configured to turn on a first transistor among the at least one transistor based on the receiving power being less than a threshold value, a signal output from the amplifier circuit being directly transferred to the mixer based on the first transistor being turned on, and control one or more transistors among the at least one transistor using a look-up table based on the receiving power being greater than or equal to the threshold value, the attenuator circuit having a resistance value corresponding to the receiving power based on the control of the one or more transistors.
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公开(公告)号：US20250038715A1
公开(公告)日：2025-01-30
申请号：US18597461
申请日：2024-03-06
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jongwon YUN , Jaeyoun JUNG , Hyunchul PARK , Sangmin YOO , Joonhoi HUR
Abstract: A multi-stack power amplifier having a differential structure includes a first stack including a first amplifier element, configured to amplify a first signal having a first phase, and a second amplifier element configured to amplify a second signal having a second phase opposite to the first phase; and a second stack including a third amplifier element, connected to an output terminal of the first amplifier element through a first interconnection, and a fourth amplifier element connected to an output terminal of the second amplifier element through a second interconnection intersecting the first interconnection.
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Patent Agency Ranking
公开(公告)号：US20240120957A1
公开(公告)日：2024-04-11
申请号：US18356308
申请日：2023-07-21
Applicant: Samsung Electronics Co., Ltd.
Inventor： Joonggeun LEE , Daechul JEONG , Jeongyeol BAE , Jongsoo LEE , Sangmin YOO
CPC classification number: H04B1/0458 , H03F3/195 , H03F3/245 , H04B2001/0416
Abstract: A radio-frequency (RF) chip includes a mixer configured to mix a local oscillation signal with a baseband signal to output an RF signal, an amplification stage configured to amplify the RF signal through a plurality of unit amplifiers operating in response to a first control signal, and a compensation capacitor bank provided between the mixer and the amplification stage. The compensation capacitor bank is configured to adjust a capacitance of the compensation capacitor bank based on a second control signal, the second control signal being complementary to the first control signal.
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公开(公告)号：US20250132764A1
公开(公告)日：2025-04-24
申请号：US18884601
申请日：2024-09-13
Applicant: Samsung Electronics Co., Ltd.
Inventor： Pillseong KANG , Chulho KIM , Sangmin YOO , Sangho LEE , Joonhee LEE , Ikkyun JO
Abstract: A phase-locked loop (PLL) circuit comprising an oscillator including a first and a second capacitor cell array, each including a plurality of capacitor cells, and a control logic circuit connected to the oscillator. The control logic circuit configured to generate control code configured to control the oscillator such that the oscillator is configured to output a signal with a target frequency, the control code generated based on a first frequency of a first signal output from the oscillator and the target frequency, control at least some of capacitor cells included in the first capacitor cell array based on a first partial code generated based on a specified number of bits of the control code, and control at least some of capacitor cells included in the second capacitor cell array based on a second partial code generated based on bits other than the specified number of bits of the control code.
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公开(公告)号：US20250070729A1
公开(公告)日：2025-02-27
申请号：US18780949
申请日：2024-07-23
Applicant: Samsung Electronics Co., Ltd.
Inventor： Wooseok LEE , Minchul KANG , Sangmin YOO , Jeongyeol BAE , Jongsoo LEE
Abstract: Disclosed is a transmitter. The transmitter includes a plurality of power amplifiers, each of the plurality of power amplifiers being configured to receive an RF input signal, a parallel power combiner configured to combine outputs of the plurality of power amplifiers to generate an RF output signal, a supply voltage switch configured to provide one supply voltage to the plurality of power amplifiers, the one supply voltage being selected from among a plurality of supply voltages of different voltage levels, and a controller configured to control an output power of the RF output signal by selecting the one supply voltage from among the plurality of supply voltages, and controlling whether to activate each of the plurality of power amplifiers.
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6.发明申请公开(公告)号：US20250167973A1
公开(公告)日：2025-05-22
申请号：US18927234
申请日：2024-10-25
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jiyoung LEE , Taejong KIM , Jeongyeol BAE , Sangmin YOO , Jongsoo LEE
IPC: H04L5/14
Abstract: A device configured to perform second order intercept point (IP2) calibration for a wireless transceiver includes a memory storing instructions, an interface, and at least one processor communicatively coupled to the interface and to the memory. The interface is configured to receive, from the wireless transceiver, a signal including second order intermodulation distortion (IMD2), and transmit, to the wireless transceiver, an in-phase correction code (I-correction code) and a quadrature-phase correction code (Q-correction code). The at least one processor is configured to execute the instructions to analyze a level of the IMD2 based on a plurality of heterogeneous methods, and adjust at least one of the I-correction code or the Q-correction code based on analysis results.
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公开(公告)号：US20250069794A1
公开(公告)日：2025-02-27
申请号：US18809893
申请日：2024-08-20
Applicant: Samsung Electronics Co., Ltd.
Inventor： Wooseok LEE , Sangmin YOO , Jeongyeol BAE , Jongsoo LEE , Soyeon KIM
Abstract: A switchable coil includes a first coil including a first outer coil and a first inner coil, the first inner coil and the first outer coil forming a first crossing-region, a second coil including a second outer coil and a second inner coil, the second inner coil and the second outer coil forming a second crossing-region, and the second crossing-region being inside the first inner coil viewed in a first direction, and a switch connected to a region facing the second crossing-region in the second inner coil.
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