Zobrazeno 1 - 10
of 76
pro vyhledávání: '"Young Kyun Cho"'
Publikováno v:
Journal of Electromagnetic Engineering and Science, Vol 22, Iss 3, Pp 272-282 (2022)
A compact ultra-wideband (UWB) chip antenna that has high isolation for multi-input multi-output (MIMO) systems is presented in this paper. The antenna is composed of a chip antenna, a printed circuit board, and an isolator stub. High isolation was o
Externí odkaz:
https://doaj.org/article/7181c5a276324d07b93e19bbd2d97281
Publikováno v:
IEEE Transactions on Circuits and Systems II: Express Briefs. 69:819-823
This brief presents a class-C voltage-controlled oscillator (VCO) that ensures a robust start-up with low phase noise and high power efficiency. The proposed start-up scheme, which uses a voltage converter that operates according to the output state,
Publikováno v:
Microelectronics Journal. 135:105743
Autor:
Young Seok Lee, Seungbong Han, Ye Eun Lee, Jaehwa Cho, Young Kyun Choi, Sun-Young Yoon, Dong Kyu Oh, Su Yeon Lee, Mi Hyeon Park, Chae-Man Lim, Jae Young Moon, the Korean Sepsis Alliance (KSA) Investigators
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract There are numerous prognostic predictive models for evaluating mortality risk, but current scoring models might not fully cater to sepsis patients’ needs. This study developed and validated a new model for sepsis patients that is suitable
Externí odkaz:
https://doaj.org/article/8d1ec1d94a3144898e9c35459025122e
Publikováno v:
The Journal of Korean Institute of Electromagnetic Engineering and Science. 32:10-18
Autor:
Kwang-Chun Lee, Young Kyun Cho
Publikováno v:
IEEE Transactions on Power Electronics. 35:484-495
This paper presents a delta-sigma modulation (DSM) control scheme for noninverting buck–boost (NIBB) converter that features a duobinary encoding for four power switch controls. The proposed scheme converts the single-bit output of the modulator in
Publikováno v:
Electronics, Vol 11, Iss 408, p 408 (2022)
Electronics; Volume 11; Issue 3; Pages: 408
Electronics; Volume 11; Issue 3; Pages: 408
An analog and mixed-signal (AMS) circuit that draws on machine learning while using a regression model differs in terms of the design compared to more sophisticated circuit designs. Technology structures that are more advanced than conventional CMOS
Autor:
Sang-Won Lee, Young Kyun Cho
Publikováno v:
Electronics, Vol 10, Iss 2615, p 2615 (2021)
Electronics
Volume 10
Issue 21
Electronics
Volume 10
Issue 21
This paper proposes a single-stage wireless battery charging circuit with a coupling coefficient prediction method. The proposed circuit consists of only two stages: full bridge inverter with transmitter coil in the first stage and full bridge rectif
Autor:
Sang-Hyun Cho, Young-Kyun Cho
Publikováno v:
Electronics; Volume 11; Issue 15; Pages: 2434
A delay locked loop (DLL) based on a Phase Detector, which Measures the Delay of the Voltage-controlled delay line (PD-MDV), which is tVCDL, with efficient and stable locking performance was proposed. In contrast to conventional phase detectors, the
Publikováno v:
Electronics Letters. 56:689-691
In this Letter, a high-gain sub-terahertz lens horn antenna with a metal guide is proposed. In this antenna, high gain is achieved by using a metal guide and dielectric lens. The experimental results show that the impedance bandwidth of the proposed