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Patent Agency Ranking
公开(公告)号：US11770103B2
公开(公告)日：2023-09-26
申请号：US17665405
申请日：2022-02-04
Inventor： Sunwoo Kong , Bong Hyuk Park , Hui Dong Lee , Seunghyun Jang , Seok Bong Hyun
CPC classification number: H03D7/1441 , H03D3/009 , H03D7/1466 , H04B1/18 , H04B1/40
Abstract: A method and apparatus for input matching of a passive mixer are disclosed. The passive mixer includes a differential transistor pair including a first transistor and a second transistor, a first inductor having one end connected to the first transistor and another end connected to a ground, a second inductor having one end connected to the second transistor and another end connected to a ground, and a third inductor having one end for receiving a radio frequency (RF) signal and another end connected to a ground.
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公开(公告)号：US11990924B2
公开(公告)日：2024-05-21
申请号：US17577272
申请日：2022-01-17
Inventor： Hui Dong Lee , Sunwoo Kong , Bong Hyuk Park , Seunghyun Jang , Seok Bong Hyun
CPC classification number: H04B1/04 , H03F3/19 , H03F2200/216 , H03F2200/301
Abstract: A transformer-based amplifier, an operating method thereof, and devices including the same are disclosed. A millimeter wave amplifier includes a first transformer positioned on an input side of the millimeter wave amplifier, a second transformer positioned on an output side of the millimeter wave amplifier, and one or more of amplification stages positioned between the first transformer and the second transformer.
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公开(公告)号：US11611400B2
公开(公告)日：2023-03-21
申请号：US17160631
申请日：2021-01-28
Inventor： Sunwoo Kong , Kwang Seon Kim , Jeehoon Park , Hui Dong Lee , Seunghyun Jang , Seok Bong Hyun
Abstract: An array antenna system, and a calibration method and apparatus thereof are provided. The calibration method includes measuring a signal loop including mutual coupling between antennas included in an array antenna, calculating a ratio of a reception (RX) signal received by each antenna to an RX signal received by a reference antenna of the array antenna based on a result of the measuring, and performing calibration of the array antenna based on the ratio.
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公开(公告)号：US12132266B2
公开(公告)日：2024-10-29
申请号：US17871608
申请日：2022-07-22
Inventor： Bong Hyuk Park , Sunwoo Kong , Hui Dong Lee , Seunghyun Jang , Seok Bong Hyun
CPC classification number: H01Q3/28 , H01Q9/16 , H01Q21/062
Abstract: Provided is a terahertz wideband antenna and a method for designing the same. According to various embodiments, the wideband antenna used for mobile communication in the terahertz wave communication band may include an antenna board including a first surface and a second surface opposite to the first surface, and a plurality of dipole antennas arranged on the antenna board, each of the plurality of dipole antennas may include a feeder disposed on the first surface and a radiator disposed on the second surface and physically spaced apart from the feeder, the feeder may be wire-bonded to a corresponding channel of a plurality of channels of a beam former, and the radiator may be coupled to the feeder to receive a signal from the feeder.
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公开(公告)号：US10079579B2
公开(公告)日：2018-09-18
申请号：US15487905
申请日：2017-04-14
Inventor： Sunwoo Kong , Bong Hyuk Park , Moon-Sik Lee , Hui Dong Lee
CPC classification number: H03F1/56 , H03F1/347 , H03F1/565 , H03F3/193 , H03F3/195 , H03F3/265 , H03F3/45179 , H03F2200/318 , H03F2200/391 , H03F2200/399 , H03F2200/411 , H03F2200/451 , H03F2200/534 , H03F2200/537
Abstract: A high frequency amplifier circuit includes a transistor including a drain, a gate, and a source, an inductance-capacitor (LC) tank connected to the drain, and a transformer connected to the gate and the source.
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