Search Results - "Kim, Choul‐Young"

Single-Antenna FMCW Radar CMOS Transceiver IC by Pyo, Gitae, Kim, Choul-Young, Hong, Songcheol

“…This paper presents a CMOS transceiver IC for a single-antenna frequency-modulated continuous wave (FMCW) radar. Since transmitter (Tx) leakage is critical in…”
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6.7-15.3 GHz, High-Performance Broadband Low-Noise Amplifier With Large Transistor and Two-Stage Broadband Noise Matching by Choi, Han-Woong, Kim, Choul-Young, Choi, Sunkyu

“…This letter presents a fully integrated wideband, ultralow average noise figure (NF), low power consumption, compact, and electrostatic discharge protected…”
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Ultralow-Noise Figure and High Gain Ku-Band Bulk CMOS Low-Noise Amplifier With Large-Size Transistor by Choi, Han-Woong, Choi, Sunkyu, Kim, Choul-Young

“…This letter presents a fully integrated Ku -band low-noise amplifier (LNA) with a large-size transistor using 65-nm bulk complementary…”
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A 25-30-GHz Asymmetric SPDT Switch for 5G Applications in 65-nm Triple-Well CMOS by Lee, Kyeong-Hyeok, Choi, Sunkyu, Kim, Choul-Young

“…This letter presents a novel asymmetric single-pole double-throw (SPDT) triple-well CMOS TRx switch for 5G applications at millimeter-wave (mm-wave)…”
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ISO26262-Compliant Inductive Long-Stroke Linear-Position Sensors as an Alternative to Hall-Based Sensors for Automotive Applications by Lim, Hyung-Sok, Kim, Choul-Young

“…To ensure safety, vehicle companies require position sensors that maintain accuracy and avoid target loss even in harsh automotive environments. Most vehicle…”
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Design of 94-GHz Highly Efficient Frequency Octupler Using 47-GHz Current-Reusing Class-C Frequency Quadrupler by Chung, Woohyun, Kim, Choul-Young, Kim, So Su, Hong, Songcheol

“…A 94-GHz highly efficient frequency octupler (×8) is presented, which consists of a 47-GHz frequency quadrupler followed by a 94-GHz push-push frequency…”
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79-GHz Digital Attenuator-Based Variable-Gain Vector-Sum Phase Shifter With High Linearity by Jang, Jingyu, Kim, Baekhyun, Kim, Choul-Young, Hong, Songcheol

“…A 79-GHz variable-gain vector-sum phase shifter is presented, which consists of 5-bit digital attenuators in respective I and Q paths. It is designed to…”
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A 76-84-GHz 16-Element Phased-Array Receiver With a Chip-Level Built-In Self-Test System by Sang Young Kim, Inac, Ozgur, Choul-Young Kim, Donghyup Shin, Rebeiz, Gabriel M.

“…This paper presents a 16-element phased-array receiver for 76-84-GHz applications with built-in self-test (BIST) capabilities. The chip contains an…”
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A 25-GHz Power Amplifier Using Three-Stage Antiphase Linearization in Bulk 65-nm CMOS Technology by Choi, Han-Woong, Choi, Sunkyu, Kim, Choul-Young

“…This letter presents a 25-GHz power amplifier (PA) in bulk 65-nm CMOS technology. To ensure improved efficiency, the proposed PA was implemented using a…”
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A Low Switching Noise and High-Efficiency Buck Converter Using a Continuous-Time Reconfigurable Delta-Sigma Modulator by Cho, Young-Kyun, Kim, Myung-Don, Kim, Choul-Young

“…This paper presents a delta-sigma modulation control scheme for buck converters that features a reconfigurable loop filter with a scalable sampling frequency…”
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A Digital Shade-Matching Device for Dental Color Determination Using the Support Vector Machine Algorithm by Kim, Minah, Kim, Byungyeon, Park, Byungjun, Lee, Minsuk, Won, Youngjae, Kim, Choul-Young, Lee, Seungrag

“…In this study, we developed a digital shade-matching device for dental color determination using the support vector machine (SVM) algorithm. Shade-matching was…”
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A 79-GHz Adaptive-Gain and Low-Noise UWB Radar Receiver Front-End in 65-nm CMOS by Jang, Jingyu, Oh, Juntaek, Kim, Choul-Young, Hong, Songcheol

“…A 79-GHz adaptive-gain and low-noise ultra-wideband radar receiver RF front-end integrated circuit in 65-nm CMOS is presented in this paper. The receiver…”
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Ultralow Noise Figure and Broadband CMOS LNA With Three-Winding Transformer and Large Transistor by Kim, Joon-Hyung, Son, Jeong-Taek, Lim, Jeong-Taek, Choi, Han-Woong, Kim, Choul-Young

“…This article introduces a CMOS low noise amplifier (LNA) designed to operate within 32-46 GHz frequency range, aiming to achieve an ultralow noise figure (NF)…”
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Low Insertion Loss, Compact 4-bit Phase Shifter in 65 nm CMOS for 5G Applications by Shin, Gyeong-Seop, Kim, Jae-Sun, Oh, Hyun-Myung, Choi, Sunkyu, Byeon, Chul Woo, Son, Ju Ho, Lee, Jeong Ho, Kim, Choul-Young

“…This letter presents a 28 GHz low insertion loss and compact size 4-bit phase shifter in 65 nm CMOS Technology. In order to get low insertion loss and compact…”
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Integration of SPDT Antenna Switch With CMOS Power Amplifier and LNA for FMICW Radar Front End by Kim, Baekhyun, Jang, Jingyu, Kim, Choul-Young, Hong, Songcheol

“…A single-pole double-throw antenna switch integrated with a CMOS power amplifier (PA) and a low-noise amplifier (LNA) by using a three-piece transmission line…”
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A 65‐nm 28‐GHz CMOS Wilkinson power divider with improved isolation by Song, Jae‐Hyeok, Oh, Hyun‐Myung, Kim, Choul‐Young

“…In this study, we implemented a Wilkinson power divider/combiner composed of lumped elements suitable for 28‐GHz of fifth‐generation mobile communication…”
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On‐chip triplexer using series‐first structure for connecting radio frequency modules in a 65 nm CMOS by Lim, Jeong‐Taek, Oh, Hyun‐Myung, Lee, Sangrok, Jung, Bang Chul, Kim, Choul‐Young

“…In this study, we implemented a triplexer using a 65‐nm CMOS process. The triplexer was composed of a low‐pass filter (LPF), bandpass filter (BPF), and…”
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A G-Band Standing-Wave Push-Push VCO Using a Transmission-Line Resonator by Koo, Hyunji, Kim, Choul-Young, Hong, Songcheol

“…In this paper, we propose a standing-wave push-push voltage-controlled oscillator (VCO) using a transmission-line (TL) resonator that covers a frequency range…”
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28 GHz compact 4‐way Wilkinson power divider/combiner using RCIN and mutual inductors in 0.13 μm CMOS technology by Song, Jae‐Hyeok, Oh, Hyun‐Myung, Lim, Jeong‐Taek, Kim, Choul‐Young

“…In this study, we proposed a 4‐way Wilkinson power divider/combiner (WPDC) with a series RC(resistor‐capacitor) isolation network (RCIN) and mutual inductors…”
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200-mm Si CMOS Process-Compatible Integrated Passive Device Stack for Millimeter-Wave Monolithic 3-D Integration by Park, Minsik, Song, Jonghyun, Jeong, Jaeyong, Lim, Jeong-Taek, Song, Jae-Hyeok, Lee, Won-Chul, Sim, Gapseop, Cho, Huijae, Yoo, Dongeun, Kang, Minho, Ko, Hyoungho, Lee, Jooseok, Yang, Kyounghoon, Kim, Choul-Young, Kim, Youngsu, Sul, Woo-Suk, Kim, Sanghyeon, Lee, Jongwon

“…In this article, we have demonstrated a simple 200-mm Si CMOS process-based integrated passive device (IPD) stack for millimeter-wave (mmW) monolithic 3-D…”
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