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RESEARCH

Integrated Circuits Lab

    Publication

    • 2024
    • Donggyu Kim, Juneun Park, Howon Kim, Sangsun Yoo, Yeonjae Jung, Yochuol Ho, Seokkee Kim, Kang-Yoon Lee, "A Design of Analog PLL Based Self-Calibrated Open-Loop FSK Modulator for BLE Advertising Transmitter", IEEE Transactions on Circuits and Systems II: Express Briefs, Early Access, Feb. 2024
    • 2023
    • Jong Wan Jo, Dae-han Yu, YoungGun Pu, Yeon Jae Jung, Seokkee Kim, Joon-Mo Yoo, Keum Cheol Hwang, Youngoo Yang and Kang-Yoon Lee, "A Design of Boost Converter with Time-Domain MPPT and Digital Self-Tracking ZCD for thermoelectric Energy Harvesting Applications", IEEE Transactions on Power Electronics, Vol.38, No.11, pp.14226-14235, Aug. 2023
    • Syed Adil Ali Shah, Qurat Ul Ain, Nabeel Ahmed, Muhammad Basim, Young-Gun Pu, Hyungki Huh, Yeonjae Jung, Seokkee Kim, Kang-Yoon Lee, "A High-Efficient 95.6% Rectifier with Passive AC-DC Voltage Quadrupler for Low-Frequency Electromagnetic Energy Harvesting System", IEEE Access, Vol.11, pp.64348-64357, June. 2023
    • Ho-Won Kim, Sungjin Kim and Kang-Yoon Lee, " Design of a Clock Doubler Based on Delay-Locked Loop in a 55 nm RF CMOS Process ", MDPI Sensors, Vol.12, No.13, pp. 2830, June, 2023
    • Myonggwan Kim, Reza E. Rad, Sungjin Kim, Younggun Pu, Yeonjae Jung, Hyungki Huh, Joonmo Yoo, Seokkee Kim and Kangyoon Lee, " A 5.8 GHz 1.8 V +20 dBm 32.5% PAE Power Amplifier for a Short-Range Over-the-Air WPT Application ", MDPI Sensors, Vol.23, No.11, pp. 5279, June, 2023
    • Hansik Oh, Jaekyung Shin, Hyeongjin Jeon, Young Yun Woo, Keum Cheol Hwang, Kang-Yoon Lee, Youngoo Yang, "Broadband InGaP/GaAs HBT Doherty Power Amplifier IC Using Direct Interstage Power Division for Compact 5G NR Handset Module", IEEE Access, Vol. 11, pp.25879, Mar. 2023
    • Donggyu Kim, Sungjun Byun, Younggun Pu, Hyungki Huh, Yeonjae Jung, Seokkee Kim, Kang-Yoon Lee, "Design of a Current Sensing System with TIA Gain of 160 dBohm and Input-Referred Noise of 1.8 pArms for Biosensor", MDPI Sensors, Vol.23, No.9, pp. 3019, Mar. 2023
    • Hamed Abbasi Zadeh, Hossein Rahmanian Kooshkaki, Kang-Yoon Lee, Patrick P. Mercier, " An Adaptive Constant-On-Time-Controlled Hybrid Multilevel DC-DC Converter Operating from Li-ion Battery Voltages with Low Spurious Output ", IEEE Transactions on Power Electronics, Jan. 2023
    • S. Ali Hosseini Asl, Reza E. Rad, Arash Hejazi, YoungGun Pu and Kang-Yoon Lee, " A 64-MHz 2.15-µW/MHz On-Chip Relaxation Oscillator with 130-ppm/°C Temperature Coefficient ", MDPI Electronics, Vol.12, No.5, pp. 1144, Feb. 2023
    • 2022
    • Pervesh Kumar; Imran Ali, Dong-Gyun Kim, Sung-June Byun, Dong-Gyu Kim, Young-Gun Pu and Kang-Yoon Lee, " A Study on the Design Procedure of Re-Configurable Convolutional Neural Network Engine for FPGA-Based Applications", MDPI Electronics, Vol.11, No.23, pp. 3883, Nov. 2022
    • Muhammad Basim, Qurat ul Ain, Khuram Shehzad, Syed Adil Ali Shah, Azam Ali, BeongGi Jang, YoungGun Pu, Joon-Mo Yoo and Kang-Yoon Lee, " A Comprehensive Review on High-efficiency RF-DC Converter for Energy Harvesting Applications ", IEEK JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE , Vol.22, No.5, pp. 304-325, Oct. 2022
    • S. Ali Hosseini Asl, Behnam S. Rikan, Arash Hejazi, YoungGun Pu, Hyungki Huh, Yeonjae Jung, Keum Cheol Hwang, Youngoo Yang and Kang-Yoon Lee, " A Design of Analog Front-End with DBPSK Demodulator for Magnetic Field Wireless Network Sensors ", MDPI Sensors, Vol.22, No.19, pp. 7217, Sep. 2022
    • Danial Khan, Muhammad Basim, Qurat ul Ain, Syed Adil Ali Shah, Khuram Shehzed, Deeksha Verma and Kang-Yoon Lee, " Design of a Power Regulated Circuit with Multiple LDOs for SoC Applications ", MDPI Electronics, Vol.11, No.17, pp. 2774, Sep. 2022
    • Syed Adil Ali Shah, Danial Khan, Qurat ul Ain, Muhammad Basim, Khuram Shehzad, Deeksha Verma, Pervesh Kumar, Joon-Mo Yoo, Young Gun Pu, Yeonjae Jung, Hyungki Huh, Seokkee Kim, Keum Cheol Hwang, Youngoo Yang, Kang-Yoon Lee, " A Design of Wireless Power Receiver With Gate Charge Recycled Dual-Mode Active Rectifier and Step-Down Converter With 88.2% System Efficiency for Power Management IC ", IEEE Transactions on Power Electronics,Vol.38, No.1, pp. 1348-1360, Sep. 2022
    • Arash Hejazi, Reza E. Rad, S. A. Hosseini Asl, Kyung-Duk Choi, Joon-Mo Yoo, Hyungki Huh, Seokkee Kim, Yeonjae Jung and Kang-Yoon Lee, " A High-Power 3P3T Cross Antenna Switch with Low Harmonic Distortion and Enhanced Isolation Using T-Type Pull-Down Path for Cellular Mobile Devices ", MDPI Sensors, Vol.22, No.14, pp. 5461, Jul. 2022
    • Deeksha Verma, Khuram Shehzad, Sung Jin Kim, Young-Gun Pu, Sang-Sun Yoo, Keum Cheol Hwang, Youngoo Yang, and Kang-Yoon Lee, " A Design of 10 bit Asynchronous SAR ADC with on-chip Bandgap Reference Voltage Generator ", MDPI Sensors, Vol.22, No.14, pp. 5393, Jul. 2022
    • Dong Gyu Kim, Ree Jin Joe, Joon-Mo Yoo, Yeon Jae Jung, Hyung Ki Huh, Seok Kee Kim, Kang-Yoon Lee " Self-Calibrated Digital Two-Point Modulator for BLE RF Transmitter ", IEEE Transactions on Circuits and Systems II: Express Briefs, Vol.69, No12, pp.4739, Jun.2022
    • Sung-June Byun, Dong-Gyun Kim, Kyung-Do Park, Yeun-Jin Choi, Pervesh Kumar, Imran Ali, Dong-Gyu Kim, June-Mo Yoo, Hyung-Ki Huh, Yeon-Jae Jung, Seok-kee Kim, Young-Gun Pu, Kang-Yoon Lee, " A Low-Power Analog Processor-in-Memory-Based Convolutional Neural Network for Biosensor Applications ", MDPI Sensors, Vol.22, No.12, pp. 4555, Jun. 2022
    • S. Ali Hosseini Asl, Reza E.Rad, Behnam S. Rikan, YoungGun Pu, Keum Cheol Hwang, Youngoo Yang, Kang-Yoon Lee, " A 1.8-2.7 GHz Triple-Band Low Noise Amplifier with 31.5 dB Dynamic Range of Power Gain and Adaptive Power Consumption for LTE Application ", MDPI Sensors, Vol.22, No.11, pp. 4039, May. 2022
    • Reza E. Rad, Yasser M. Qaragoez, SungJin Kim, Arash Hejazi, Dong Gyu Kim, Danial Khan, Imran Ali, Behnam S. Rikan, Sang-Sun Yoo, YoungGun Pu, Keum Cheol Hwang, Youngoo Yang, Kang-Yoon Lee, " A Wideband Multi-Level Reconfigurable Class E/F 23 Power Amplifier with A Band-Selecting Tracking Reactance Compensation Automatic Calibration Algorithm ", IEEE Access, Vol.10, pp. 54214-54220, May. 2022
    • Reza E. Rad, Sungjin Kim, Younggun Pu, Yeongjae Jung, Hyungki Huh, Joonmo Yoo, Seokkee Kim, Kang-Yoon Lee, " A Dual-Band 47-dB Dynamic Range 0.5-dB/Step DPA with Dual-Path Power-Combining Structure for NB-IoT", MDPI Sensors, Vol.22, No.9, pp. 3493, Apr. 2022
    • Pervesh Kumar, Muhammad Riaz Ur Rehman, Danial Khan; Imran Ali, Younggun Pu, Yeonjae Jung, Hyungki Huh, Seokkee Kim, Joonmo Yoo and Kang-Yoon Lee, " A Design of Peak to Average Power Ratio Based SWIPT System in 180 nm CMOS Process for IoT Sensor Applications ", IEEE Access, Vol.10, pp. 42897-42907 Apr. 2022
    • Qurat ul Ain, Danial Khan, Muhammad Basim, Seong Jin Oh, Khuram Shehzad, ByeongGi Jang, Syed Adil Ali Shah, Jong Wan Jo, Young Gun Pu, Keum Cheol Hwang, Young oo Yang and Kang-Yoon Lee, "A High-Efficiency Triple-Mode Active Rectifier with Gate Charge Recycling Technique for Wireless Power Transfer System ", IEEE Access, Vol.10, pp. 45943-45953 Apr. 2022
    • Jongwan Jo, David Kim, Arash Hejazi, Young-Gun Pu, Yeonjae Jung, Hyungki Huh, Seokkee Kim, Joon-Mo Yoo, and Kang-Yoon Lee, "Low Phase-Noise, 2.4 and 5.8 GHz Dual-Band Frequency Synthesizer with Class-C VCO and Bias-Controlled Charge Pump for RF Wireless Charging System in 180 nm CMOS Process:", MDPI Electronic, Vol. 11, No.7, pp. 1118, Apr. 2022
    • Muhammad Basim, Danial Khan, Qurat Ul Ain, Khuram Shehzad, Syed Adil Ali Shah, ,Byeong-Gi Jang,, Young-Gun Pu, Joon-Mo Yoo, ,Joon-Tae Kim , and Kang-Yoon Lee, " A Highly Efficient RF-DC Converter for Energy Harvesting Applications Using a Threshold Voltage Cancellation Scheme", MDPI Sensors, Vol.22, No.7, pp. 2695, Mar. 2022
    • Pervesh Kumar, Huo Yingge, Imran Ali, Young-Gun Pu, Keum-Cheol Hwang, Youngoo Yang, Yeon-Jae Jung, Hyung-Ki Huh, Seok-Kee Kim, Joon-Mo Yoo, and Kang-Yoon Lee "A Configurable and Fully Synthesizable RTL-Based Convolutional Neural Network for Biosensor Applications" MDPI Sensors, Vol. 22, No.7, pp. 2495, Mar. 2022
    • Reza E. Rad, Kyung-Duk Choi, Sung-Jin Kim, Young-Gun Pu, Yeon-Jae Jung, Hyung-Ki Huh, Joon-Mo Yoo, Seok-Kee Kim, Kang-Yoon Lee, "A 0.617–2.7 GHz Highly Linear High-Power Dual Port 15 Throws Antenna Switch Module (DP15T-ASM) with Branched-Antenna Technique and Termination Mode", MDPI Sensors, Vol.22, No.6, pp. 2276, Mar. 2022
    • Young Chan Choi, Woojin Choi, Hansik Oh, Yifei Chen, Jaekyung Shin, Hyeongjin Jeon, Keum Cheol Hwang, Kang-Yoon Lee, Youngoo Yang, "Doherty Power Amplifier with Extended High-Efficiency Range Based on the Utilization of Multiple Output Power Back-off Parameters", IEEE Transactions on Microwave Theory, Vol.70, No.4, pp. 2258 - 2270, Feb. 2022
    • Reza E. Rad, Arash Hejazi, SungJin Kim, YoungGun Pu, Joon Tae Kim, Keum Cheol Hwang, Youngoo Yang, Kang-Yoon Lee, "A 5.8 GHz RF Receiver Front-End with 77.6 dB Dynamic Range AGC for a DSRC Transceiver", IEEE Access, Vol.10, pp. 8133-8139, Jan. 2022
    • Behnam S. Rikan, David Kim, Kyung-Duk Choi, Arash Hejazi, Joon-Mo Yoo, YoungGun Pu, Seokkee Kim, Hyungki Huh, Yeonjae Jung, Kang-Yoon Lee, "T/R RF Switch with 150 ns Switching Time and over 100 dBc IMD for Wideband Mobile Applications in Thick Oxide SOI Process", MDPI Sensors, Vol.22, No.2, pp. 507, Jan. 2022
    • 2021
    • Danial Khan, Seong-Jin Oh, Sungku Yeo, Youngho Ryu, Sol-Hee In, Reza Eftekhari Rad, Imran Ali, Young-Gun Pu, Sang-Sun Yoo, Minjae Lee, Keum Cheol Hwang, Youngoo Yang, Kang-Yoon Lee, " A high-efficient wireless power receiver for hybrid energy-harvesting sources.", IEEE Transactions on Power Electronics,Vol. 36, No.4, pp 3814-3827, Apr. 2021
    • Khuram Shehzad, Deeksha Verma, Danial Khan, Qurat Ul Ain, Muhammad Basim, Sung Jin Kim, Behnam Samadpoor Rikan, Young Gun Pu, Keum Cheol Hwang, Youngoo Yang, Kang-Yoon Lee , "A Low-Power 12-Bit 20 MS/s Asynchronously Controlled SAR ADC for WAVE ITS Sensor Based Applications", MDPI Sensors, Vol.21, No.7, pp. 2260, Mar. 2021
    • Behnam S. Rikan, David Kim, Kyung Duk Choi, S. A. Hosseini Asl, Joon-Mo Yoo, YoungGun Pu, Seokkee Kim, Hyungki Huh, Yeonjae Jung, and Kang-Yoon Lee, "A Low-Band Multi-Gain LNA Design for Diversity Receive Module with 1.2 dB NF", MDPI sensors, Vol.21, No.24, pp. 8340, Dec. 2021
    • Muhammad Riaz Ur Rehman, Arash Hejazi, Imran Ali, Muhammad Asif, SeongJin Oh, Pervesh Kumar, YoungGun Pu, SangSun Yoo, Keum Cheol Hwang, YoungGoo Yang, YeonJae Jung, HyungKi Huh, SeokKee Kim, JoonMo Yoo and KangYoon Lee., "An Ultra-Low-Power 2.4 GHz All-Digital Phase-Locked Loop With Injection-Locked Frequency Multiplier and Continuous Frequency Tracking", IEEE Access, Vol.9, pp. 152984-152992, Oct. 2021
    • Deeksha Verma, Behnam S. Rikan, Khuram Shehzd, Sungjin Kim, Danial Khan, Venkatesh Kommangunta, Syed Adil Ali Shah, Younggun Pu, Sang-Sun Yoo, Keum Cheol Hwang, Youngoo Yang, Kang-Yoon Lee, "A Design of 44.1 fJ/Conv-Step 12-Bit 80 ms/s Time Interleaved Hybrid Type SAR ADC With Redundancy Capacitor and On-Chip Time-Skew Calibration", IEEE Access, Vol. 9, pp. 133143-133155, Sep. 2021
    • D Khan, SJ Oh, S Yeo, Y Ryu, S In, RE Rad, I Ali, YG Pu, S Yoo, M Lee, KC Hwang, Y Yang, K Lee, "A solar/triboelectric/RF hybrid energy harvesting based high efficiency wireless power receiver" IEEE TRANSACTIONS ON POWER ELECTRONICS, Vol. 36, No. 10, pp. 11148-11162, Oct. 2021
    • Reza E. Rad, Arash Hejazi, Seyed-Ali H. Asl, Khuram Shehzad, Deeksha Verma, SungJin Kim, Behnam S. Rikan, YoungGun Pu, ,Joon Tae Kim , Keum Cheol Hwang, Youngoo Yang, Kang-Yoon Lee "A 77-dB Dynamic-Range Analog Front-End for Fine-Dust Detection Systems with Dual-Mode Ultra-Low Noise TIA", Sensors MDPI, Vol.21, No.19, pp. 6360, Sep. 2021
    • Arash Hejazi, ByeongGi Jang, Reza E. Rad, Jong Wan Jo, Behnam S. Rikan, YoungGun Pu, Sang-Sun Yoo, Keum Cheol Hwang, Youngoo Yang, and Kang-Yoon Lee "A 2.4 GHz Power Receiver Embedded With a Low-Power Transmitter and PCE of 53.8%, for Wireless Charging of IoT/Wearable Devices", IEEE Transactions on Microwave Theory and Techniques, Vol.69, No.9, pp. 4315-4325, Jun. 2021
    • H. Koo, J. Bae, W. Choi, H. Oh, H. Lim, J. Lee, C. Song, K. Lee, K. Hwang, and Y. Yang "Retroreflective Transceiver Array Using a Novel Calibration Method Based on Optimum Phase Searching" ,IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, Vol.68, No.3, pp. 2510-2520, Mar. 2021
    • Woojin Choi , Hyunuk Kang , Hansik Oh , Keum Cheol Hwang, Kang-Yoon Lee, and Youngoo Yang. "Doherty Power Amplifier Based on Asymmetric Cells With Complex Combining Load" ,IEEE Transactions on Microwave Theory and Techniques, Vol. 69, No. 4, pp. 2336-2344, Mar. 2021
    • HANSIK OH, SUNGJAE OH, HYUNGMO KOO, WOOJIN CHOI, JAEKYUNG SHIN, KEUM CHEOL HWANG, KANG-YOON LEE AND YOUNGOO YANG. "Mid-Range Wireless Power Transfer System for Various Types of Multiple Receivers Using Power Customized Resonator", IEEE Access, Vol 9, pp. 45230-45241, Mar. 2021
    • Manzoor Elahi, Amir Altaf, Youngoo Yang, Kang-Yoon Lee, Keum Cheol Hwang. "Circularly Polarized Dielectric Resonator Antenna With Two Annular Vias", IEEE Access, Vol. 9, pp. 41123-41128, Mar. 2021
    • Jongyun Na, Sang-Hwa Yi, Jaekyung Shin, Hyungmo Koo, Jongseok Bae, Keum-Cheol Hwang, Kang-Yoon Lee and Youngoo Yang "2.4 GHz GaN HEMT Class-F Synchronous Rectifier Using an Independent Second Harmonic Tuning Circuit", MDPI Sensors, Vol.21, No.5, pp. 1608, Feb. 2021
    • MUHAMMAD ASIF, IMRAN ALI, DANIAL KHAN, MUHAMMAD RIAZ UR REHMAN, YOUNGGUN PU, SANG-SUN YOO, and KANG-YOON LEE. "Design of High Performance Hybrid Type Digital-Feedback Low Drop-Out Regulator Using SSCG Technique.", IEEE Access, Vol. 9, pp. 28167-28176, Feb. 2021
    • Muhammad Riaz Ur Rehman, Imran Ali 1,Danial Khan, Muhammad Asif, Pervesh Kumar, Seong Jin Oh, Young Gun Pu, Sang-Sun Yoo, Keum Cheol Hwang, Youngoo Yang, Dong In Kim, and Kang-Yoon Lee "A Design of Adaptive Control and Communication Protocol for SWIPT System in 180 nm CMOS Process for Sensor Applications" , MDPI Sensors, Vol. 21, No. 3, pp. 848, Jan. 2021
    • Qurat ul Ain, Danial Khan, Byeong Gi Jang, Muhammad Basim, Khuram Shehzad, Muhammad Asif, Deeksha, Verma, Imran Ali, Young Gun Pu, Keum Cheol Hwang, Youngoo Yang, and Kang-Yoon Lee, " A High-Efficiency Fast Transient COT Control DCDC Buck Converter with Current Reused Current Sensor.", IEEE Transactions on Power Electronics,Vol. 36, No.8, pp 9521-9535, Jan. 2021
    • Seong Jin Oh, Danial Khan, ByeongGi Jang, Muhammad Basim, Muhammad Asif, Imran Ali, YoungGun Pu, SangSun Yoo, Minjae Lee, Keum Cheol Hwang, Youngoo Yang, Kang-Yoon Lee, " A 15 W Quadruple-Mode Reconfigurable Bidirectional Wireless Power Transceiver with 95 % System Efficiency for Wireless Charging Applications.", IEEE Transactions on Power Electronics, Vol. 36, No. 4, pp. 3814-3827, Apr. 2021
    • 2020
    • Danial Khan, Muhammad Basim, Khuram Shehzd, Qurat UI Ain, Deeksha Verma, Muhammad Asif, Seong Jin Oh, Young Gun Pu, Sang-Sun Yoo, Keum Cheol Hwang, Younggoo Yang, Kang-Yoon Lee, "A 2.45 GHz High Efficiency CMOS RF Energy Harvester with Adaptive Path Control" MDPI Electronics 2020, Vol.9, No.7, pp. 1107, Jul. 2020
    • Imran Ali, Muhammad Asif, Muhammad Riaz Ur Rehman, Danial Khan, Huo Yingge, Sung Jin Kim, YoungGun Pu, Sang-Sun Yoo, Kang-Yoon Lee "A Highly Reliable, 5.8 GHz DSRC Wake-Up Receiver with an Intelligent Digital Controller for an ETC System" Sensors MDPI, Vol.20, No.14, pp. 4041, Jul. 2020
    • Arash Hejazi, SeongJin Oh, Muhammad Riaz Ur Rehman, Reza E. Rad, SungJin Kim, JaeJin Lee, YoungGun Pu, Keum Cheol Hwang, Youngoo Yang and Kang-Yoon Lee, "A Low Power Multichannel Time to Digital Converter Using All Digital Nested Delay Locked Loops with 50 ps Resolution and High Throughput for LiDAR Sensors" IEEE Transactions on Instrumentation and Measurement, Vol. 69, No.11, pp. 9262-9271, Nov. 2020
    • ByeongGi Jang, Arash Hejazi, Reza E. Rad, Yasser M. Qaragoez, Imran Ali, YoungGun Pu, Keum Cheol Hwang, Youngoo Yang, and Kang-Yoon Lee" A 15 W Triple-Mode Wireless Power Transmitting Unit with High System Efficiency Using Integrated Power Amplifier and DC-DC Converter.", IEEE Transactions on Industrial Electronics, Vol. 68, No.10, pp 9574-9585, Oct. 2020
    • Imran Ali, Muhammad Asif, Khuram Shehzad, Muhammad R.U. Rehman, Dong G. Kim, Behnam S. Rikan, YoungGun Pu, Sang S. Yoo, Kang-Yoon Lee," A Highly Accurate, Polynomial-Based Digital Temperature Compensation for Piezoresistive Pressure Sensor in 180 nm CMOS Technology.", MDPI Sensors, Vol. 20, No. 18, pp. 5256, Sep. 2020
    • MUHAMMAD ASIF, IMRAN ALI, DANIAL KHAN, MUHAMMAD RIAZ UR REHMAN, QURAT-UL-AIN, MUHAMMAD BASIM, YOUNG GUN PU, MINJAE LEE, KEUM CHEOL HWANG, YOUNGOO YANG AND KANG-YOON LEE,"A High Performance Adaptive Digital LDO Regulator With Dithering and Dynamic Frequency Scaling for IoT Applications", IEEE Access, Vol. 8, pp. 132200-132211, Jul. 2020
    • Imran Ali, Muhammad Asif, Muhammad Riaz Ur Rehman, Danial Khan, Huo Yingge, Sung Jin Kim, YoungGun Pu, Sang-Sun Yoo and Kang-Yoon Lee, " A Highly Reliable, 5.8 GHz DSRC Wake-Up Receiver with an Intelligent Digital Controller for an ETC System" MDPI Sensors Vol. 20, No. 14, pp. 4012, Jul. 2020
    • Deeksha Verma, Khuram Shehzad, Danial Khan, Sung Jin Kim, Young Gun Pu, Sang-Sun Yoo, Keum Cheol Hwang, Youngoo Yang and Kang-Yoon Lee. " A Design of Low-Power 10-bit 1-MS/s Asynchronous SAR ADC for DSRC Application " MDPI Electronics 2020, Vol. 9, No. 7, pp. 1100, Jul. 2020
    • Arash Hejazi, YoungGun Pu, and Kang-Yoon Lee, "A Design of Wide-Range and Low Phase Noise Linear Transconductance VCO with 193.76 dBc/Hz FoMT for mm-Wave 5G Transceivers" MDPI Electronics Vol.9, No.6, pp. 935, May. 2020
    • Imran Ali, Hamed Abbasizadeh, Muhammad Riaz ur Rehman, Muhammad Asif, Seong Jin Oh, Young Gun Pu, Minjae Lee, Keum Cheol Hwang, Youngoo Yang, and Kang-Yoon Lee, "An Ultra-Low Power, Adaptive All-Digital Frequency-Locked Loop With Gain Estimation and Constant Current DCO" IEEE Access Vol. 8, pp. 97215-97230, May. 2020
    • Khuram Shehzad, Deeksha Veerma, Danial Khan, Qurat UI Ain, Muhammad Basim, SungJin Kim, YoungGun Pu, Keum Cheol Hwang, Youngoo Yang and Kang-Yoon Lee, "Design of a Low Power 10-b 8-MS/s Asynchromous SAR ADC with On-Chip Reference Voltage Generator" MDPI Electronics 2020, Vol. 9, No. 9, pp. 872, May. 2020
    • Deeksha Verma, Khuram Shehzad, Danial Khan, Qurat Ul Ain, Sung Jin Kim, Dongsoo Lee, Younggun Pu, Minjae Lee, Keum Cheol Hwang, Youngoo Yang, and Kang-Yoon Lee, "A Design of 8 fJ/Conversion-Step 10-bit 8MS/s Low Power Asynchronous SAR ADC for IEEE 802.15.1 IoT Sensor Based Applications" IEEE Access, Vol. 8, pp.85869-85879, May. 2020
    • Danial Khan, Seong Jin Oh, Khuram Shehzad, Muhammad Basim, Deeksha Verma, Young Gun Pu, Minjae Lee, Keum Cheol Hwang, Youngoo Yang, and Kang-Yoon. Lee, "An Efficient Reconfigurable RF-DC Converter With Wide Input Power Range for RF Energy Harvesting" IEEE Access, Vol. 8, pp.79310-79318, Apr. 2020
    • Muhammad Riaz Ur Rehman, Arash Hejazi, Imran Ali, Jae Jin Lee, Seong Jin Oh, Young gun Pu, and Kang-Yoon Lee, "A Design of 6.8 mW All Digital Delay Locked Loop With Digitally Controlled Dither Cancellation for TDC in Ranging Sensor" IEEE Access, Vol. 8, pp. 57722-57732, Mar. 2020
    • Hamed Abbasizadeh, Arash Hejazi, Behnam Samadpoor Rikan, Sang Yun Kim, Jongseok Bae, Jong Min Lee, Jong Ho Moon, Jong Jin Park, Young Gun Pu, Keum Cheol Hwang, Youngoo Yang, Dong In Kim and Kang-Yoon Lee, "A High-Efficiency and Wide-Input Range RF Energy Harvester Using Multiple Rectenna and Adaptive Matching," MDPI energies, Vol. 13, No. 5, pp.1023, Feb. 2020
    • JongWan Jo, SungJin Kim, Muhammad Riaz Ur Rehman, Khuram Shehzad, YoungWoo Park,YoungGun Pu, DongHun Lee, HyungMoon Kim and KangYoon Lee, "Design of a low noise analog Front-End System for Sonar Signal Conditioning Receiver," Journal of Integrated Circuits and Systems, Vol.6, No.1, Jan. 2020
    • 2019
    • SungJin Kim, Ji-Hyeon Cheon, DongSoo Lee, YoungGun Pu, Sang-Sun Yoo, Minjae Lee, Keum Cheol Hwang, Youngoo Yang, and Kang-Yoon Lee, "A Design of a 5.6 GHz Frequency Synthesizer with Switched Bias LIT VCO and Low Noise On-Chip LDO Regulator for 5G Applications," IJCTA, Vol. 47, pp. 1856-1868, Aug. 2019
    • Seyed Mahmoud Anisheh, Hamed Abbasizadeh, Hossein Shamsi, Chitra Dadkhah and Kang-Yoon Lee, "84 dB DC-gain two-stage class-AB OTA," IET Circuits, Devices & Systems, Vol. 13, No. 5, pp. 614-621, Aug. 2019
    • Sang-Yun Kim, Hamed Abbasizadeh, Behnam Samadpoor Rikan, Seong Jin Oh, Byeong Gi Jang, Young-Jun Park, Danial Khan, Truong Thi Kim Nga, Kyung Tae Kang, Young Gun Pu, Sang-Sun Yoo, Sungho Lee, Sung-Chul Lee, Minjae Lee, Keum Cheol Hwang, Youngoo Yang and Kang-Yoon Lee, "A-20 to 30 dBm Input Power Range Wireless Power System with a MPPT-based Reconfigurable 48% Efficient RF Energy Harvester and 82% Efficient A4WP Wireless Power Receiver with Open Loop Delay Compensation," IEEE TRANSACTIONS ON POWER ELECTRONICS, Vol. 34, No. 7, pp. 6803-6817, Jul. 2019
    • Son Trinh-Van, Jong Min Lee, Youngoo Yang, Kang-Yoon Lee and Keum Cheol Hwang, "A Sidelobe-Reduced, Four-Beam Array Antenna Fed by a Modified 4×4 Butler Matrix for 5G Applications," IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, Vol. 67, No. 7, pp. 4528-4536, Jul. 2019
    • Danial Khan, Seong Jin Oh, Khuram Shehzad, Deeksha Verma, Zaffar Hayat Nawaz Khan, YoungGun Pu, Minjae Lee, Keum Cheol Hwang, Youngoo Yang and Kang-Yoon Lee, "A CMOS RF Energy Harvester with 47% Peak Efficiency using Internal Threshold Voltage Compensation," IEEE Microwave and Wireless Components Letters, Vol. 29, No. 6, pp. 415-417 Jun. 2019
    • Abbassi, Fatemeh, SungJin Kim, Abdolhamid Noori, Ji-Hyeon Cheon, Truong Van Cong Thuong, Truong Thi Kim Nga and Kang-Yoon Lee, "A Sub-threshold based 747 nW Resistor-less Low-dropout Regulator for IoT Application," JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, Vol. 19, No. 3, pp. 239-245, Jun. 2019
    • Sung Jin Kim, Dong Gyu Kim, Seong Jin Oh, Dong Soo Lee, Young Gun Pu, Keum Cheol Hwang, Youngoo Yang and Kang Yoon Lee, "A Fully Integrated Bluetooth Low-Energy Transceiver with Integrated Single Pole Double Throw and Power Management Unit for IoT Sensors," MDPI Sensors, Vol. 19, No. 10, pp. 2420, May. 2019
    • Hyunuk Kang, Hwiseob Lee, Wooseok Lee, Hansik Oh , Wonseob Lim, Hyungmo Koo, Cheon-seok Park, Keum Cheol Hwang, Kang-Yoon Lee and Youngoo Yang, "Octave Bandwidth Doherty Power Amplifier Using Multiple Resonance Circuit for the Peaking Amplifier," IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS–I: REGULAR PAPERS, Vol. 66, No. 2, pp. 583-593, Feb. 2019
    • Seyed Mahmoud Anisheh, Hamed Abbasizadeh, Hossein Shamsi, Hansik Oh, Chitra Dadkhah and Kang-Yoon Lee, "98-dB Gain Class-AB OTA with 100 pF Load Capacitor in 180-nm Digital CMOS Process," IEEE Access, Vol. 7, pp. 17772-17779, Feb. 2019
    • 2018
    • Behnam Samadpoor Rikan, Sang-Yun Kim, Nabeel Ahmad, Hamed Abbasizadeh, Muhammad Riaz Ur Rehman, Khuram Shehzad, Arash Hejazi, Reza E. Rad, Deeksha Verma and Kang-Yoon Lee, "A Sigma-Delta ADC for Signal Conditioning IC of Automotive Piezo-Resistive Pressure Sensors with over 80 dB SNR ," MDPI Sensors, Vol. 18, No. 12, pp. 4199, Nov. 2018
    • Wonseob Lim, Hyunuk Kang, Wooseok Lee, Jongseok Bae, Sungjae Oh, Hansik Oh, Seunghwan Chae, Keum Cheol Hwang, Kang-Yoon Lee and Youngoo Yang, "Dual-Mode CMOS Power Amplifier Based on Load-Impedance Modulation," IEEE Microwave and Wireless Components Letters., Vol. 28, No. 11, pp. 1041-1043, Nov. 2018
    • Truong Thi Kim Nga, DongSoo Lee, SungJin Kim, Minjae Lee, KeumCheol Hwang, Youngoo Yang and Kang-Yoon Lee, "40dB-Isolation, 1.85dB-Insertion Loss Full CMOS SPDT with Body-Floating Technique and Ultra-Small Active Matching Network Using On-Chip Solenoid Inductor for BLE Applications," MDPI Electronics, Vol. 7, No. 11, pp 297, Nov. 2018
    • Behnam Samadpoor Rikan, Sang-Yun Kim, Hamed Abbasizadeh, Arash Hejazi, Reza E. Rad, Khuram Shehzad, Keum Cheol Hwang, Youngoo Yang, Minjae Lee and Kang-Yoon Lee, "A 10- and 12-Bit Multi-Channel Hybrid Type Successive Approximation Register Analog-to-Digital Converter for Wireless Power Transfer System," MDPI Energies, Vol. 11, No. 10, pp. 2673, Oct. 2018
    • DongSoo Lee, SungHun Cho, Hochel Ryu, YoungGun Pu, Sang-Sun Yoo, Minjae Lee, Keum Cheol Hwang, Youngoo Yang and Kang-Yoon Lee, "A Highly Linear, AEC-Q100 Compliant Signal Conditioning IC for Automotive Piezo-Resistive Pressure Sensors," IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, Vol. 65, No. 9, pp. 7363-7373, Sep. 2018
    • SeongJin Oh, SungJin Kim, Imran Ali, Truong Thi Kim Nga, DongSoo Lee, YoungGun Pu, Sang-Sun Yoo, Minjae Lee, Keum Cheol Hwang, Youngoo Yang and Kang-Yoon Lee, "A 3.9 mW Bluetooth Low-Energy Transmitter using All-Digital PLL-based Direct FSK Modulation in 55 nm CMOS," IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS-I, Vol. 65, No. 9, pp. 3037-3048, Sep. 2018
    • Hyungmo Koo, Hyunuk Kang, Wooseok Lee, Hwiseob Lee, Kang-Yoon Lee, Keum Cheol Hwang and Youngoo Yang, "GaN-HEMT Asymmetric Three-Way Doherty Power Amplifier using GPD," IET Microwaves, Antennas & Propagation, Vol. 12, No. 13, pp. 2115-2121, Jul. 2018
    • Truong Thi Kim Nga, Seong-Mun Park, Young-Jun Park, Sang-Hyuk Park, SangYun Kim, Truong Van Cong Thuong, Minjae Lee, KeumCheol Hwang, Youngoo Yang and Kang-Yoon Lee, "A Wide Input Range Buck-Boost DC–DC Converter using Hysteresis Triple-Mode Control Technique with Peak Efficiency of 94.8% for RF Energy Harvesting Applications," MDPI Energy, Vol. 11, No. 7, pp. 1618, Jun. 2018
    • SungJin Kim, Dong-Gyu Kim, Chanho Kim, DongSoo Lee, Behnam Samadpoor Rikan, YoungGun Pu, Sang-Sun Yoo, Minjae Lee, KeumCheol Hwang, Youngoo Yang and Kang-Yoon Lee, "A Design of Small Area, 0.95 mW, 612-1152 MHz Open Loop Injection-Locked Frequency Multiplier for IoT Sensor Applications," MDPI Sensors, Vol. 18, No. 6, pp. 1777, Jun. 2018
    • SangYun Kim, SungHun Cho, YoungGun Pu, Sang-Sun Yoo, Minjae Lee, Keum Cheol Hwang, Youngoo Yang, and Kang-Yoon Lee, "A 39.5 dB SNR, 300 Hz Frame-Rate, 56×70-Channel Read-Out IC for Electro-Magnetic Resonance Touch Panels," IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, Vol. 65, No. 6, pp. 5001-5011, Jun. 2018
    • Dong-Soo Lee, Sung-Jin Kim, DongGyu Kim, YoungGun Pu, Sang-Sun Yoo, Minjae Lee, Keum Cheol Hwang, Youngoo Yang, Kang-Yoon Lee, "A Design of Fast Settling, Low Power 4.19 MHz Real Time Clock Generator with Temperature Compensation and 15dB Noise Reduction," IEEE TRANSACTIONS ON VERY LARGE SCALE INTEGRATION SYSTEMS, Vol. 26, No. 6, pp. 1151-1158, Jun. 2018
    • Hamed Abbasizadeh, Imran Ali, Behnam Samadpoor Rikan, Dong-Soo Lee, Younggun Pu, Sang-Sun Yoo, Minjae Lee, Keum Cheol Hwang, Youngoo Yang and Kang-Yoon Lee, "260-μW DCO With Constant Current Over PVT Variations Using FLL and Adjustable LDO," IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS-II: Express Briefs, Vol. 65, No. 6, pp. 739-743, Jun. 2018
    • SangYun Kim, Behnam Samadpoor Rikan, YoungGun Pu, Sang-Sun Yoo, Minjae Lee, Keum Cheol Hwang, Youngoo Yang and Kang-Yoon Lee, "A High Noise Immunity, 28×16-Channel Finger Touch Sensing IC using OFDM and Frequency Translation Technique," MDPI Sensors, Vol. 18, No. 5, pp. 1652, May. 2018
    • Son Trinh-Van, Toungoo Yang, Kang-Yoon Lee and KeumCheol Hwang, "Broadband Circularly polarized Slot Antenna Loaded by a Multiple-Circular-Sector Patch," MDPI Sensors, Vol. 18, No. 5, pp. 1576, May. 2018
    • Danial Khan, Hamed Abbasizadeh, Sang-Yun Kim, Zaffar Hayat Nawaz Khan, Syed Adil Ali Shah, Young Gun Pu, KeumCheol Hwang, Youngoo Yang, Minjae Lee and Kang-Yoon Lee, "A Design of Ambient RF Energy Harvester with Sensitivity of −21 dBm and Power Efficiency of a 39.3% Using Internal Threshold Voltage Compensation," MDPI energies, Vol. 11, No. 5, pp. 1258, May. 2018
    • Imran Ali, Behnam Samadpoor Rikhan, Dong-Gyu Kim, Dong-Soo Lee, Muhammad Riaz Ur Rehman, Hamed Abbasizadeh, Muhammad Asif, Minjae Lee, Keum Cheol Hwang, Youngoo Yang, and Kang-Yoon Lee, "Design of a Low Power, Small Area AEC-Q100 Compliant SENT Transmitter in Signal Conditioning IC for Automotive Pressure and Temperature Complex Sensors in 180 nm CMOS Technology," MDPI Sensors, Vol. 18, No. 5, pp. 1555, May. 2018
    • Seonggeon Kim, Kang-Yoon Lee and Minjae Lee, "Modeling Random Clock Jitter Effect of High-Speed Current-Steering NRZ and RZ DAC," IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS-l: REGULAR PAPERS, Vol. 65, No. 9, pp. 2832-2841, April. 2018
    • Young-Jun Park, ByeongGi Jang, Seong-Mun Park, Ho-Cheol Ryu, Seong Jin Oh, Sang-Yun Kim, YoungGun Pu, Sang-Sun Yoo, Keum Cheol Hwang, Youngoo Yang, Minjae Lee and Kang-Yoon Lee, "A Triple-Mode Wireless Power Receiving Unit with 85.5 % System Efficiency for A4WP, WPC and PMA Applications," IEEE TRANSACTIONS ON POWER ELECTRONICS, Vol. 33, No. 4, pp. 3141-3156, Apr. 2018
    • Young Jun Park, Zaffar Hayat Nawaz Khan, Seong Jin Oh, Byeong Gi Jang, Nabeel Ahmad, Danial Khan, Hamed Abbasizadeh, Syed Adil Ali Shah, Young Gun Pu, Keum Cheol Hwang, Youngoo Yang, Minjae Lee and Kang Yoon Lee, "Single Inductor-Multiple Output DPWM DC-DC Boost Converter with a High Efficiency and Small Area," MDPI Energy, Vol. 11, No. 4, pp. 725, Mar. 2018
    • Kyung-Tae Kang, Sang-Yun Kim, Sung Jin Kim, Dongsoo Lee, Sang-Sun Yoo and Kang-Yoon Lee, "A 0.33-1GHz Open-Loop Duty Cycle Corrector with Digital Falling Edge Modulator," IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II, Vol. 65, No. 12, pp 1949-1953, Mar. 2018
    • K.-T. Kang, S.-Y. Kim and K.-Y. Lee, "Open-Loop per-pin Skew Compensation with Lock Fault Detector for Parallel NAND Flash Memory Interface," IEEE Electronics Letter, Vol. 54, No. 6, pp. 346-348, Mar. 2018
    • Zaffar Hayat Nawaz Khan, Young-Jun Park, Seong Jin Oh, Byeong Gi Jang, Seong-Mun Park, Hamed Abbasizadeh, Young Gun Pu, Keum Cheol Hwang, Toungoo Yang, Minjae Lee and Kang-Yoon Lee, "Design of Peak Efficiency of 85.3% WPC/PMA Wireless Power Receiver Using Synchronous Active Rectifier and Multi Feedback Low-Dropout Regulator," MDPI Energy, Vol. 11, No. 3, pp. 479, Feb. 2018
    • Son Trinh-Van, Jong Min Lee, Youngoo Yang, Kang-Yoon Lee and Keum Cheol Hwang, "Improvement of RF Wireless Power Transmission Using a Circularly Polarized Retrodirective Antenna Array with EBG Strucutres" MDPI applied sciences, Vol. 8, No. 3, pp. 324, Feb. 2018
    • SangYun Kim, Young-Jun Park, Ali. Imran, Truong Nga, Ho-Cheol Ryu, Zaffar Khan, Seong-Mun Park, YoungGun Pu, Minjae Lee, Keum Cheol Hwang, Youngoo Yang and K.Y. Lee, "Design of a High Efficiency DC-DC Buck Converter with Two-Step Digital PWM and Low Power Self Tracking Zero Current Detector for IoT Applications," IEEE TRANSACTIONS ON POWER ELECTRONICS, Vol. 33, Issue 2, pp. 1428-1439, Feb. 2018
    • Chan Mi Song, Gina Kwon, Jong Min Lee, Kang-Yoon Lee, Youngoo Yang and Keum Cheol Hwang, "Theoretical Computation of the Capacitance of an Asymmetric Coplanar Waveguide," Journal of Electrical Engineering and Technoloy, Vol. 13, No. 1, pp. 393-399, Jan. 2018
    • 2017
    • Sang-Sun Yoo, Kang-Yoon Lee and Hyung-Joun Yoo, "Coupling-Shielded Inductor for High Isolation Between PA and LC-Based DCO," IEEE ELECTRON DEVICE LETTERS, Vol. 38, No. 1, pp. 24-27, Jan. 2017
    • Thanh Nguyen-Trung, Youngoo Yang, Kang-Yoon Lee and Keum Cheol Hwang, "Dual Circularly-Polarized Spidron Fractal Slot Antenna," Electromagnetics, Vol. 37, No. 1, pp. 40-48, Jan. 2017
    • Hwiseob Lee, Jinhee Kwon, Wonseob Lim, Wooseok Lee, Hyunuk Kang, Keum Cheol Hwang, Kang-Yoon Lee, Cheon-seok Park and Youngoo Yang, "Optimized Current of the Peaking Amplifier for Two-Stage Doherty Power Amplifier," IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, Vol. 65, No. 1, pp. 209-217, Jan. 2017
    • Hwiseob Lee, Wonseob Lim, Wooseok Lee, Hyunuk Kang, Jongseok Base, Cheon-seok Park, Keum Cheol Hwang, Kang-Yoon Lee and Youngoo Yang, "Compact Load Network for GaN-HEMT Doherty Power Amplifier IC Using Left-Handed and Right-Handed Transmission Lines," IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, Vol. 27, No. 3, pp. 293-295, Mar. 2017
    • ByeongGi Jang, Abbas Syed Hayder, SungHan Do, SungHun Cho, DongSoo Lee, YoungGun Pu, Keum Cheol Hwang, Youngoo Yang and Kang-Yoon Lee, "A Design of 10-bit, 10 MS/s Pipelined ADC with Time-interleaved SAR," Microelectronics Journal, Vol. 62, pp. 79-84, Apr. 2017
    • Behnam Samadpoor Rikan, DongSoo Lee and Kang-Yoon Lee, "A 6-bit 4 MS/s, VCM-based sub-radix-2 SAR ADC with inverter type comparator," Microelectronics Journal, Vol. 62, pp. 120-125, Apr. 2017
    • Amir Altaf, Youngoo Yang, Kang-Yoon Lee and Keum Cheol Hwang, "Wideband Circularly Polarized Spidron Fractal Slot Antenna with an Embedded Patch," International Journal of Antennas and Propagation, Vol. 2017, pp. 1-7, Apr. 2017
    • SangYun Kim, Hamed Abbasizadeh, Imran Ali, Hongjin Kim, SungHun Cho, YoungGun Pu, Sang-Sun Yoo, Minjae Lee, Keum Cheol Hwang, Youngoo Yang and Kang-Yoon Lee, "An Inductive 2-D Position Detection IC with 99.8 % Accuracy for Automotive EMR Gear Control System," IEEE TRANSACTIONS ON VERY LARGE SCALE INTEGRATION SYSTEMS, Vol. 25, No. 5, pp.1731-1741, May 2017
    • Abbas Syed Hayder, Young-Jun Park, SangYun Kim, Young-Gun Pu, Sang-Sun Yoo, Youngoo Yang, Minjae Lee, Keum Choel Hwang and Kang-Yoon Lee, "Digitally Controlled Single-inductor Multiple-output Synchronous DC-DC Boost Converter with Smooth Loop Handover Using 55 nm Process," Journal of Power Electronics, Vol. 17, No. 3, pp.821-834, May 2017
    • S. Cho, D. Lee, I. Ali, S. Kim, Y. Pu, S. Yoo and K. Lee, "Highly Reliable Automative Integrated Protection Circuit for HBM ESD of +6 kV, Over Voltage, and Reverse Voltage," Electronics Letters, Vol. 53, No. 13, pp. 843-845, Jun. 2017
    • Behnam Samadpoor Rikan, Hamed Abbasizadeh, Sung-Hun Cho, Sang-Yun Kim, Imran Ali, SungJin Kim, DongSoo Lee, YoungGun Pu, MinJae Lee, KeumCheol Hwang, Youngoo Yang, Kang-Yoon Lee, "A 6‐bit 4 MS/s 26fJ/conversion‐step segmented SAR ADC with reduced switching energy for BLE," International Journal of Circuit Theory and Applications, Vol. 46, pp. 375-383, Jun. 2017
    • Sang-Sun Yoo and Kang-Yoon Lee, "A frame-based EM-simulation for design of LC oscillator with MoM capacitor banks," International Journal of RF and Microwave Computer-Aided Engineering, Vol. 27, No. 7, Jul. 2017
    • Amir Altaf, Jin-Woo Jung, Youngoo Yang, Kang-Yoon Lee and Keum Cheol Hwang, "Vertical-Strip-Fed Broadband Circularly Polarized Dielectric Resonator Antenna," SENSOR, Vol. 17, No.8, pp. 1911, Aug. 2017
    • Seong Joong Kim, DongSoo Lee, Kang-Yoon Lee and Sang-Gug Lee, "A 2.4-GHz Super-Regenerative Transceiver With Selectivity-Improving Dual Q-Enhancement Architecture and 102-μW All-Digital FLL," IEEE Transactions on Microwave Theory and Technique, Vol. 65, No. 9, pp. 3287-3298, Sep. 2017
    • Young-Jun Park, Ju-Hyun Park, Hong-Jin Kim, Hocheol Ryu, SangYun Kim, YoungGun Pu, Keum Cheol Hwang, Youngoo Yang, Minjae Lee and Kang-Yoon Lee, "A Design of a 92.4% Efficiency Triple Mode Control DC-DC Buck Converter With Low Power Retention Mode and Adaptive Zero Current Detector for IoT/Wearable Applications," IEEE TRANSACTIONS ON POWER ELECTRONICS, Vol. 32, No. 9, pp. 6946-6960, Sep. 2017
    • Sang-Sun Yoo and Kang-Yoon Lee, "Design of 0.68-mW LC-based Digitally Controlled Oscillator (DCO) for Bluetooth Low Energy (BLE) Transceiver," JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, Vol. 17, No. 5, pp. 611-620, Oct. 2017
    • Hansik Oh, Hyunuk Kang, Hwiseob Lee, Hyungmo Koo, Minseok Kim, Wooseok Lee, Wonseob Lim, Cheon-Seok Park, Keum Cheol Hwang, Kang-Yoon Lee and Youngoo Yang, "Doherty Power Amplifier Based on the Fundamental Current Ratio for Asymmetric cells," IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, Vol. 65, No. 11, pp. 4190-4197, Nov. 2017
    • T. Nguyen Thi, S Trinh-Van, K.-Y Lee, Y. Yang & K. C Hwang, "Dual-band Circularly Polarized Four-arm Spidron Fractal Antenna for Ku-band Satellite Communication," Electromagnetics, Vol. 37, Issue. 8, pp. 550-560, Nov. 2017
    • Hansik Oh, Hyunuk Kang, Hwiseob Lee, Hyungmo Koo, Minseok Kim, Wooseok Lee, Wonseob Lim, Cheon-Seok Park, Keum Cheol Hwang, Kang-Yoon Lee, Youngoo Yang, "Doherty Power Amplifier Based on the Fundamental Current Ratio for Asymmetric cells," IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, Vol. 65,No. 11, pp. 4190-4197, Nov. 2017
    • Hwiseob Lee, Wonseob Lim, Jongseok Bae, Wooseok Lee, Hyunuk Kang, Keum Cheol Hwang, Kang-Yoon Lee, Cheon-Seok Park, Youngoo Yang, "Highly Efficient Fully Integrated GaN-HEMT Dohery Power Amplifier Based on Compact Load Network," IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, Vol. 65,No. 12, pp. 5203-5211, Dec. 2017
    • Behnam Samadpoor Rikan, Hamed Abbasizadeh, Young-Jun Park, Hye-Yeong Kang, SangYun Kim, YoungGun Pu, Minjae Lee, Keum Cheol Hwang, Youngoo Yang and Kang-Yoon Lee, "A 10-bit 1 MS/s segmented Dual-Sampling SAR ADC with reduced switching energy," Mircroelectronics Journal, Vol. 70, pp. 89-96, Dec. 2017
    • Jongseok Bea, Hyungmo Koo, Hwiseob Lee, Wonseob Lim, Wooseok Lee, Hyunuk Kang, Keum Cheol Hwang, Kang-Yoon Lee, Youngoo Yang, "High-efficiency rectifier (5.2 GHz) using a Class-F Dickson charge pump," MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, Vol. 59, No. 12, pp. 3018-3023, Dec. 2017
    • 2016
    • Young-Jun Park, WooSeob Kim, Seong-Mun Park and Kang-Yoon Lee, "A4WP High Efficiency Wireless Power Transmitting Unit," IDEC Journal of Integrated Circuits and Systems, Vol. 2, No. 3, pp. 38-44, Oct. 2016
    • A.S. Hayder, S.Y. Kim, H. Abbasizadeh and K.Y. Lee, "Loop-Handover Technique for Digitally Controlled Multiple-Output DC–DC Converters," ELECTRONIC LETTERS, Vol. 52, No. 22, pp. 1189-1891, Sep. 2016
    • Hamed Abbasizadeh, Sung-Hun Cho, Sang-Sun Yoo, and Kang-Yoon Lee, "Accurate Sub-1 V CMOS Bandgap Voltage Reference with PSRR of -118 dB," JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, Vol.16, No.4, pp. 528-533, Aug. 2016
    • Son Trinh-Van, Youngoo Yang, Kang-Yoon Lee and Keum Cheol Hwang, "A Wideband Circularly Polarized Pixelated Dielectric Resonator Antenna," SENSORS, Vol. 16, No. 11, pp. 1, Aug. 2016
    • Young-Jun Park, Ju-Hyun Park, Hongjin Kim, Young Gun Pu, Keum Cheol Hwang, Youngoo Yang, Cheon-Seok Park and Kang-Yoon Lee, "Design of Power Management IC with Peak Efficiency of 92.8 % Step-Up Converter and Peak Efficiency of 93.8 % Step-Down Converter for Power transmitting unit of A4WP Applications in 0.18 μm BCD," ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, Vol.88, No.1, pp. 115-125, Jul. 2016
    • H.Abbasizadeh, A.S. Hayder and Kang-Yoon Lee, "Highly Accurate Capacitor-Free LDO with Sub-1V -120dB PSRR Band Gap Voltage Reference," ELECTRONICS LETTERS, Vol.52, No.15, pp. 1323-1325, Jul. 2016
    • Hyung-Gu Park, Jae-Hyeong Jang, Hong-Jin Kim, Young-Jun Park, SeongJin Oh, YoungGun Pu, Keum Cheol Hwang, Youngoo Yang and Kang-Yoon Lee, "A Design of a Wireless Power Receiving Unit With a High-Efficiency 6.78-MHz Active Rectifier Using Shared DLLs for Magnetic-Resonant A4 WP Applications," IEEE TRANSACTIONS ON POWER ELECTRONICS, Vol.31, No.6, pp. 4484-4498, Jun. 2016
    • Sunghun Cho, DongSoo Lee, Juri Lee, Hyung-Gu Park, YoungGun Pu, Sang-Sun Yoo, Keum Cheol Hwang, Youngoo Yang, Cheon-Seok Park and Kang–Yoon Lee, "A 4-Channel Multi-Rate VCSEL Driver with Automatic Power, Magnitude Calibration using High-Speed Time-Interleaved Flash-SAR ADC in 0.13 μm CMOS," JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, Vol.16, No.3, pp. 339-345, Jun. 2016
    • Wonseob Lim, Hwiseob Lee, Hyunuk Kang, Wooseok Lee, Kang-Yoon Lee, Keum Cheol Hwang, Youngoo Yang and Cheon-Seok Park, "2.6 GHz GaN-HEMT Power Amplifier MMIC for LTE Small-Cell Applications," JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, Vol.16, No.3, pp. 274-286, Jun. 2016
    • Truong Thi Kim Nga, Dong-Soo Lee, and Kang-Yoon Lee, "A Low Insertion-Loss, High-Isolation Switch Based on Single Pole Double Throw for 2.4GHz BLE Applications," IEIE TRANSACTIONS ON SMART PROCESSING AND COMPUTING, Vol.5, No.3, pp. 164-168, Jun. 2016
    • Dong-Soo Lee, SungHun Cho, SangYun Kim, JaeYong Lee, KeumCheol Hwang, Youngoo Yang, Mun-Kyo Seo, YoungGun Pu and Kang-Yoon Lee, "Low Phase Noise 30-GHz Frequency Synthesizer with Linear Transconductance VCO and Dual-Injection-Locked Frequency Divider," ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING , Vol.86, No.3, pp. 365-376, Mar. 2016
    • Young-Jun Park, Hyung-Gu Park, Juri Lee, Seong Jin Oh, Jae Hyeong Jang, Sang Yun Kim, Young Gun Pu, Keum Cheol Hwang, Youngoo Yang, Munkyo Seo and Kang-Yoon Lee, "A design of wide input range triple-mode active rectifier with peak efficiency of 94.2 % and maximum output power of 8 W for wireless power receiver in 0.18 μM BCD," ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, Vol.86, No.2, pp. 255-265, Feb. 2016
    • DongSoo Lee, Juri Lee, Hyung-Gu Park, JinWook Choi, SangHyeon Park, In Seong Kim, YoungGun Pu, Jae Young Kim, Keum cheol Hwang, Youngoo Yang, Munkyo Seo and Kang-Yoon Lee, "A Design of Wide Frequency Range, Low Power Transceiver with Automatic Impedance Matching calibration for TV White Space Application," JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE ,Vol.16, No.1, pp. 126-142, Feb. 2016
    • Junghyun Ham, Jongseok Bae, Hyungchul Kim, Mincheol Seo, Hwiseob Lee, Keum Cheol Hwang, Kang-Yoon Lee, Cheon-seok Park, Deukhyoun Heo and Youngoo Yang, "CMOS Power Amplifier Integrated Circuit With Dual-Mode Supply Modulator for Mobile Terminals," IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS—I , Vol.63, No.1, pp.157-167, Jan. 2016
    • Minseok Kim, Wooseok Lee, Jongseok Bae, Hwiseob Lee, Keum Cheol Hwang, Kang-Yoon Lee, Cheon-seok Park and Youngoo Yang, "Balanced/Unbalanced Wideband: A Wideband, Bifilar Transmission-Line Balun," IEEE Microwave Magazine, Vol.17, No.1, pp.65-69, Jan. 2016
    • 2015
    • Jong Min Lee, Sung-Jin Kim, Gina Kwon, Chan Mi Song, Youngoo Yang, Kang-Yoon Lee and Keum Cheol Hwang, "Circularly Polarized Semi-Eccentric Annular Dielectric Resonator Antenna for X-Band Applications," IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, Vol.14, pp. 1810-1813, Nov. 2015
    • Amir Altaf, Youngoo Yang, Kang-Yoon Lee and Keum Cheol Hwang, "Circularly Polarized Spidron Fractal Dielectric Resonator Antenna," IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, Vol. 14, pp.1806-1809, Nov. 2015
    • Hyungchul Kim, Jongsuk Bae, Junghyun Ham, Jehyeon Gu, Mincheol Seo, Keum Cheol Hwang, Kang-Yoon Lee, Cheon-Seok Park and Youngoo Yang, "EFFICIENCY ENHANCED CMOS DIGITALLY CONTROLLED DYNAMIC BIAS SWITCHING POWER AMPLIFIER FOR LTE," MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, Vol.57, No.10, pp.2314-2321, Oct. 2015
    • Ju-Hyun Park, Sung Jin Kim, Joo Young Lee, Sang Hyeon Park, Ju Ri Lee, Sang Yun Kim, Hong Jin Kim and Kang-Yoon Lee, "Output Noise Reduction Technique Based on Frequency Hopping in a DC-DC Converter for BLE Applications," IEIE TRANSACTIONS ON SMART PROCESSING AND COMPUTING, Vol.4, No.5, pp. 371-378, Oct. 2015
    • Jin-Wook Choi, Seung-Won Choi, InSeong Kim, DongSoo Lee, HyungGu Park, YoungGun Pu and Kang-Yoon Lee, "A Class-C Type Wideband Current-Reused VCO With Two-Step Automatic Amplitude Calibration Loop," JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, Vol.15, No.5, pp. 470-475, Oct. 2015
    • Chan Mi Song, Gina Kwon, Jong Min Lee, Youngoo Yang, Kang-Yoon Lee and Keum Cheol Hwang, "Electrostatic Field Penetration through a Slot on a Conducting Half-Plane," JOURNAL OF ELECTROSTATICS, Vol.77, pp. 21-26, Oct. 2015
    • Sang-Yun Kim, Juri Lee, Hyung-Gu Park, Young Gun Pu, Jae Yong Lee and Kang-Yoon Lee, "A 1.248 Gb/s – 2.918 Gb/s Low-Power Receiver for MIPI-DigRF M-PHY with a Fast Settling Fully Digital Frequency Detection Loop in 0.11 μm CMOS," JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, Vol.15, NO.4, pp. 506-517, Aug. 2015
    • Jong Min Lee, Gina Kwon, Chan Mi Song, Kang-Yoon Lee, Youngoo Yang and Keum Cheol Hwang, "Wideband Circularly Polarized Spidron Fractal Slot Antenna with a Grooved Dielectric Resonator," JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS, Vol.29, No.14, pp. 1942–1951, Aug. 2015
    • HongJin Kim, Dong-Soo Lee, Juri Lee, SeongJin Oh, Honey Durga Tiwari, YoungGun Pu and Kang-Yoon Lee, "A Design of 50/150/200 kbps, Low Power FSK Transceiver using Phase-Locked Loop with Programmable Loop Bandwidth and Integrated SPDT for IEEE 802.15.4g Application," ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, Vol.84, No.2, pp. 261-282, Aug. 2015
    • YoungJun Park, Hongjin Kim, Joo-Young Chun, JooYoung Lee, YoungGun Pu and Kang-Yoon Lee, "A Wide Frequency Range LLC Resonant Controller IC with a Phase-Domain Resonance Deviation Prevention Circuit for LED Backlight Units," JOURNAL OF POWER ELECTRONICS, Vol.15, No.4, pp. 861-875, Jul. 2015
    • Behnam Samadpoor Rikan, Hamed Abbasizadeh, Dong-Soo Lee and Kang-Yoon Lee, "A 10-bit 10MS/s Differential Straightforward SAR ADC," IEIE TRANSACTIONS ON SMART PROCESSING AND COMPUTING, Vol.4, No.3, pp. 183-188, Jun. 2015
    • Jin-hee Kwon, Min-cheol Seo, Hwi-seob Lee, Je-hyun Gu, Jung-hyun Ham, Keum Cheol Hwang, Kang-Yoon Lee, Cheon-seok Park and Youngoo Yang, "Broadband Doherty Power Amplifier Based on Asymmetric Load Matching Networks," IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS—II: EXPRESS BRIEFS, Vol.62, No.6, pp. 533-537, Jun. 2015
    • Junghyun Ham, Jongsuk Bae, Nimcheol Seo, Hwiseob Lee, Keum Cheol Hwang, Kang-Yoon Lee and Youngoo Yang, "DUAL-MODE SUPPLY MODULATOR FOR CMOS ENVELOPE TRACKING POWER AMPLIFIER INTERGRATED CIRCUIT," MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, Vol.57, No.6, pp. 1338-1343, Jun. 2015
    • SangYun Kim, Juri Lee, SeongJin Oh, InSeong Kim, Young-Jun Park, Honey Durga Tiwari, Hyung-Gu Park, YoungGun Pu, Keum Cheol Hwang, Youngoo Yang, Munkyo Seo and Kang-Yoon Lee, "A 1.248-2.918 Gb/s Low-Power Transmitter for MIPI M-PHY with 2-Step Impedance Calibration Loop in 0.11 um CMOS," ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, Vol.83, No.2, pp. 129-142, May. 2015
    • Jonggyun LIM, Wonshil KANG, Kang-Yoon Lee and Hyunchul KU, "A High Efficiency Class-E Power Amplifier Over a Wide Power Range Using a Look-Up Table Based Dynamic Biasing Scheme," IEICE TRANS. ELECTRON., Vol.E98-C, No.4, pp. 377-379, Apr. 2015
    • Dong-Soo Lee , Jae-Hyung Jang, Hyung-Gu Park, YoungGun Pu, Keum Cheol Hwang, Youngoo Yang, Mun-Kyo Seo and Kang-Yoon Lee, "A Wide Locking Range, Dual Injection Locked Frequency Divider with Automatic Frequency Calibration Loop in 65 nm CMOS," IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II, Vol.62, No.4, pp. 327-331, Apr. 2015
    • Dong-Soo Lee, Honey Durga Tiwari, SangYun Kim, Juri Lee, Hyung-Gu Park, YoungGun Pu, Munkyo Seo and Kang-Yoon Lee, "A Highly Linear, Small Area Analog Front End with Gain and Offset Compensation for Automotive Capacitive Pressure Sensors in 0.35 um CMOS," IEEE SENSORS JOURNAL, Vol.15, No.3, pp. 1967-1976, Mar. 2015
    • Sung-Han Do, Seong-Jin Oh, Dong-Hyeon Seo, Juri Lee and Kang-Yoon Lee, "Design of 10-bit 10MS/s Time-Interleaved Flash-SAR ADC Using Sharable MDAC," IEIE TRANSACTIONS ON SMART PROCESSING AND COMPUTING, Vol.4, No.1, pp. 59-63, Feb. 2015
    • Behnam Samadpoor Rikan, Hamed Abbasizadeh, Sung-Han Do, Dong-Soo Lee and Kang-Yoon Lee, "Digital Error Correction for a 10-Bit Straightforward SAR ADC," IEIE TRANSACTIONS ON SMART PROCESSING AND COMPUTING, Vol.4, No.1, pp. 51-58, Feb. 2015
    • Abbas Syed Hayder, Hyun-Gu Park, Hongin Kim, Dong-Soo Lee, Hamed Abbasizadeh and Kang-Yoon Lee, "A Single Inductor Dual Output Synchronous High Speed DC-DC Boost Converter using Type-III Compensation for Low Power Applications," IEIE TRANSACTIONS ON SMART PROCESSING AND COMPUTING, Vol.4, No.1, pp. 44-50, Feb. 2015
    • S. Trinh-Van, K.C. Hwang Y. Yang and Kang-Yoon Lee, "A Printed Quasi-Yagi Antenna with a Coupled Slotline Feed," JOURNAL OF ELECTROMAGNEITC WAVES AND APPLICATIONS, Vol.29, No.3, pp. 402-409, Feb. 2015
    • Juri Lee, Hyung Gu Park, In Seong Kim, YoungGun Pu, Keum Cheol Hwang, Youngoo Yang, Munkyo Seo and Kang–Yoon Lee, "A 6 Gb/s Low Power Transimpedance Amplifier with Inductor Peaking and Gain Control for 4-Channel Passive Optical Network in 0.13 μm CMOS," JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, Vol.15, No.1, pp. 122-130, Feb. 2015
    • Yeon-Kug Moon, Hyung-Gu Park, Hongjin Kim, Honey Durga Tiwari, Suki Kim, Kang-Yoon Lee, "Wide Input Range, High-Efficiency Magnetic Resonant Wireless Power Receiver," INTERNATIONAL JOURNAL OF ELECTRONICS, Vol.102, No.2, pp. 326-344, Feb. 2015
    • 2014
    • Junghyun Ham, Haeryun Jung, Jongsuk Bae, Wonseob Lim, Keum Cheol Hwang, Kang-Yoon Lee, Cheon-Seok Park and Youngoo Yang, "Dual Bias Modulator for Envelope Tracking and Average Power Tracking Modes for CMOS Power Amplifier," JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, Vol.14, No.6, pp. 802-809, Dec. 2014
    • Hamed Abbasizadeh, Behnam Samadpoor Rikan, Dong-Soo Lee, Abbas Syed Hayder and Kang-Yoon Lee, "A Low-Voltage Low-Power Opamp-Less 8-bit 1-MS/s Pipelined ADC in 90-nm CMOS Technology," IEIE TRANSACTIONS ON SMART PROCESSING AND COMPUTING, Vol.3, No.6, pp. 416-424, Dec. 2014
    • Truong Thi Kim Nga, Hyung-Gu Park and Kang-Yoon Lee, "A High Efficiency Active Rectifier for 6.78MHz Wireless Power Transfer Receiver with Bootstrapping Technique and All Digital Delay-Locked Loop," IEIE TRANSACTIONS ON SMART PROCESSING AND COMPUTING, Vol.3, No.6, pp. 410-415, Dec. 2014
    • Dongsoo Lee, Jinwook Choi, Seongjin oh, SangYun Kim and Kang-Yoon Lee, "High Accuracy, Low Power Spread Spectrum Clock Generator to Reduce EMI for Automotive Applications," IEIE TRANSACTIONS ON SMART PROCESSING AND COMPUTING, Vol.3, No.6, pp. 404-409, Dec. 2014
    • Hyung-Gu Park, Jeong-A Jang, Sung Hun Cho, Juri Lee, Sang-Yun Kim, Honey Durga Tiwari, Young Gun Pu, Keum Cheol Hwang, Youngoo Yang, Kang-Yoon Lee and Munkyo Seo, "A Wide Output Range, High Power Efficiency Reconfigurable Charge Pump in 0.18um BCD Process," JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, Vol.14, No.6, pp. 777-788, Dec. 2014
    • Gina Kwon, Keum Cheol Hwang, Youngoo Yang and Kang-Yoon Lee, "Mellin Transform Approach for the Capacitance Computation of Asymmetric Coplanar Striplines," ELECTROMAGNETICS, Vol.34, No.8, pp. 617-624, Oct. 2014
    • Dongsoo Lee, Hongjin Kim and Kang-Yoon Lee, "A 20–40 MHz Low-Power Clock Oscillator with Open-Loop Frequency Calibration and Temperature Compensation," INTERNATIONAL JOURNAL OF ELECTRONICS, Vol.101, No.5, pp. 699-710, May 2014
    • Yeon-Kug Moon, Hyung-Gu Park, Jae-Hyeong Jang, Suki Kim and Kang-Yoon Lee, "A High Efficiency Transmitter and Receiver for Magnetic Resonant Wireless Battery Charging System in 0.35um BCD," ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, Vol.79, No.1, pp. 57-72, Apr. 2014
    • HongJin Kim, Chang-Zhi Yu, Dong Soo Lee and Kang Yoon Lee, "A Low-Power Spread-Spectrum Clock Generator with Three-Step Frequency and VCO Gain Calibration for Serial-ATA Applications," ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, Vol.78, NO.3, pp. 843-852, Mar. 2014
    • Hyung-Gu Park, Jae-Hyeong Jang, Ji-Hun Kang, Honey Durga Tiwari, Yeon-Kug Moon and Kang-Yoon Lee, "Automatic power controlled, load compensated magnetic resonant wireless power transmitter," INTERNATIONAL JOURNAL OF ELECTRONICS LETTERS, Vol.2, No.2, pp. 121-133, Jan. 2014
    • 2013
    • Hyung-Gu Park, Juri Lee, Jeong-A Jang, Jae-Hyeong Jang, Dong-Soo Lee, HongJin Kim, Seong Joong Kim, Sang-Gug Lee and Kang-Yoon Lee, "An Ultra-Low-Power Super Regeneration Oscillator-Based Transceiver With 177-uW Leakage-Compensated PLL and Automatic Quench Waveform Generator," IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, Vol.61, No.9, pp. 3381-3390, Sep. 2013
    • Hyung-Gu Park, Hongjin Kim, Dong-Soo Lee, Chang-Zhi Yu, Hyunchul Ku and Kang-Yoon Lee, "A 12mW ADPLL Based G/FSK Transmitter for Smart Utility Network in 0.18um CMOS," JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, Vol.13, No.4, pp. 272-281, Aug. 2013
    • Honey Durga Tiwari, Hyung-Gu Park, Kang-Yoon Lee, "Communication Controller and Control Unit Design for Qi Wireless Power Transfer," Digital Signal Processing, Vol.23, No.4, pp. 1322-1331, Jul. 2013
    • Hyung-Gu Park, SoYoung Kim and Kang-Yoon Lee, "A Small-Area Solenoid Inductor Based Digitally Controlled Oscillator," JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, Vol.13, No.3, pp. 198-206, Jun. 2013
    • Honey Durga Tiwari, Harsh Durga Tiwari, Kang-Yoon Lee, "Designing Parity Check Matrix to Achieve Linear Encoding Time in LDPC Codes," Digital Signal Processing, Vol.23, No.3, pp. 994-1001, May. 2013
    • Hongjin Kim, SoYoung Kim and Kang-Yoon Lee, "Low Power FSK Transmitter using All Digital PLL for IEEE 802.15.4g Application," ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, Vol.74, No.3, pp. 599-612, Mar. 2013
    • HyungGu Park, SoYoung Kim and Kang-Yoon Lee, "A Low-Cost, Wide-Band DCO with An Onchip 3-D Solenoid Inductor in 0.13μm Digital CMOS," ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, Vol.74, No.3, pp. 507–515, Mar. 2013
    • Hyung-Gu Park, SoYoung Kim and Kang-Yoon Lee, "A Low Power DLL Based on Clock and Data Recovery Circuit with Wide Range Anti-Harmonic Lock," ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, Vol.74, No.2, pp. 355-364, Feb. 2013
    • Hyung-Gu Park, SoYoung Kim and Kang-Yoon Lee, "A Wide Input Range, High-Efficiency Multi-Mode Active Rectifier for Magnetic Resonant Wireless Power Transfer System," IEICE Transaction on Electronics, Vol.96-C, No.1, pp. 102-107, Jan. 2013
    • Hyung-Gu Park, SoYoung Kim and Kang-Yoon Lee, "A low power DLL based clock and data recovery circuit with wide range anti-harmonic lock," ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, Vol.74, No.2, pp. 355-364, Feb. 2013
    • Hongjin Kim, SoYoung Kim and Kang-Yoon Lee, "Low power FSK transmitter using alldigital PLL for IEEE 802.15.4g application," ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, Vol.74, No.3, pp. 599-612, Mar. 2013
    • Hongjin Kim, SoYoung Kim and Kang-Yoon Lee, "A Low Power, Small Area Cyclic Time-to-Digital Converter in All-Digital PLL for DVB-S2 Application," JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, Vol.13, No.2, pp. 145-151, May. 2013
    • Honey Durga Tiwari, Harsh Durga Tiwari, Kang-Yoon Lee, "Designing parity check matrix to achieve linear encoding time in LDPC codes," Digital Signal Processing, Vol.23, No.3, pp. 994-1001, May. 2013
    • Hyung-Gu Park, SoYoung Kim and Kang-Yoon Lee, "A Small-Area Solenoid Inductor Based Digitally Controlled Oscillator," JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, Vol.13, No.3, pp. 198-206, Jun. 2013
    • 2012
    • HongJin Kim, SoYoung Kim and Kang-Yoon Lee, "A Dual-Output Integrated LLC Resonant Controller and LED Driver IC with PLL-Based Automatic Duty Control," JOURNAL OF POWER ELECTRONICS, Vol.12, No.6, pp. 886-894, Nov. 2012
    • 2011
    • YoungHwa KIM, AnSoo PARK, Joon-Sung PARK, YoungGun PU, Hyung-Gu PARK, HongJin KIM and Kang-Yoon Lee, "A 0.357 ps Resolution, 2.4 GHz Time-to-Digital Converter with Phase-Interpolator and Time Amplifier," IEICE TRANSACTIONS ON ELECTRONICS, Vol.E94-C, No.12, pp. 1896-1901, Dec. 2011
    • Sungho Lee, Kihyun Kim, Jaehoon Song, Kang-Yoon Lee and Sangwook Nam, "A CMOS Outpahsing Transmitter Using Two Wideband Phase Modulators," JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, Vol.11, No.4, pp. 247-255, Dec. 2011
    • Seong Wha Hong, Membe,HongJin Kim, Joon-Sung Park,YoungGun Pu, Jeongin Cheon, Dae-Hoon Han and Kang-Yoon Lee, "Secondary Side LLC Resonant Controller IC with Dynamic PWM Dimming and Dual-slope Clock Generator for LED Backlight Units," IEEE TRANSACTIONS ON POWER ELECTRONICS, Vol.26, No.11, pp. 3410-3422, Nov. 2011
    • YoungGun Pu, AnSoo Park, Joon-Sung Park and Kang-Yoon Lee, "All Digital PLL with An Active Inductor DCO for LTE Applications in 0.13 um CMOS," ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, Vol.68, No.3, pp. 257-268, Sep. 2011
    • YoungGun Pu, AnSoo Park, Joon-Sung Park and Kang-Yoon Lee, "Low-Power, All Digital Phase-Locked Loop with a Wide-Range, High Resolution TDC," ETRI JOURNAL, Vol.33, No.3, pp. 366-373, Jun. 2011
    • SeongWha Hong, HongJin Kim, Hyung-Gu Park, Joon-Sung Park, Young-Gun Pu and Kang-Yoon Lee, "A High Efficiency Controller IC for LLC Resonant Converter in 0.35 um BCD," JOURNAL OF POWER ELECTRONICS, Vol.11, No.3, pp. 271-278, May 2011
    • YoungGun Pu, AnSoo Park, Joon-Sung Park, Yeon-Kug Moon, SuKi Kim and Kang-Yoon Lee, “Wide-Band Fine-Resolution DCO with an Active Inductor and Three-Step Coarse Tuning Loop,” ELECTRONICS TELECOMMUNICATIONS RESEARCH INST(ETRI JOURNAL), Vol.33, No.2, pp. 201-209, Apr. 2011
    • YoungGun Pu, AnSoo Park, Joon-Sung Park and Kang-Yoon Lee, "All digital PLL with active inductor DCO for LTE applications in 0.13 um CMOS," ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, Vol.68, No.3, pp. 257-268, Sep. 2011
    • Seong Wha Hong, Membe,HongJin Kim, Joon-Sung Park,YoungGun Pu, Jeongin Cheon, Dae-Hoon Han and Kang-Yoon Lee, "Secondary Side LLC Resonant Controller IC with Dynamic PWM Dimming and Dual-slope Clock Generator for LED Backlight Units," IEEE TRANSACTIONS ON POWER ELECTRONICS, Vol.26, No.11, pp. 3410-3422, Nov. 2011
    • Sungho Lee, Kihyun Kim, Jaehoon Song, Kang-Yoon Lee and Sangwook Nam, "A CMOS Outpahsing Transmitter Using Two Wideband Phase Modulators," JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, Vol.11, No.4, pp. 247-255, Dec. 2011
    • 2010
    • Joon-Sung Park, SangWoo Kim, YoungGun Pu and Kang-Yoon Lee, “A 84% tuning range, 4.3-GHz VCO with two-step negative-Gm tuning and amplitude calibration loop,” ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, pp. 441-447, Dec. 2010
    • Joon-Sung Park, Hyung-Gu Park, YoungGun Pu and Kang-Yoon Lee, “A 67.5 dB SFDR Full-CMOS VDSL2 CPE Transmitter and Receiver with Multi-Band Low-Pass Filter,” JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE, Vol.10, No.4, pp. 282-291, Dec. 2010
    • Sungho Lee, Jaejun Lee, Hangue Park, Kang-Yoon Lee and Sangwook Nam, “Self-Calibrated Two-Point Delta–Sigma Modulation Technique for RF Transmitters,” IEEE TRANSACTION ON MICROWAVE THEORY AND TECHNIQUES, Vol.58, No.7, pp. 1748-1757, Jul. 2010
    • Chun NAM, Joon-Sung PARK, Young-Gun PU and Kang-Yoon Lee, “A 1-GHz Tuning Range DCO with a 3.9kHz Discrete Tuning Step for UWB Frequency Synthesizer,” IEICE TRANSACTION ON ELECTRONICS, Vol.E93-C, No.6, pp. 770-776, Jun. 2010
    • Young-Gun Pu and Kang-Yoon Lee, "A wide-range VCO with an automatic frequency, amplitude and gain calibration loop," ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, Vol.62, No.1, pp. 91-98, Jan 2010
    • 2009
    • YoungGun Pu and Kang-Yoon Lee, “A Wide Band VCO with Automatic Frequency, Gain, and Two-Step Amplitude Calibration Loop for DTV Tuner Application,” IEICE Transaction on Electronics, Vol.E92-C, No.12, pp. 1496-1503, Dec. 2009
    • Jun-Gi Jo, Jong-Ho Lee, Do Jin Park, Young Gun Pu, Sung-Cheol Shin, Kang-Yoon Lee, Seong-Eon Park, Seok-Joong Lee and Changsik Yoo "A L1-band dual-mode RF receiver for GPS and Galileo in 0.18μm CMOS," ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, Vol.62, No.1, pp. 91-98, May. 2009
    • Young-Gun Pu and Kang-Yoon Lee, "Fully Digital AGC System with 100MHz Bandwidth and 35dB Dynamic Range Power Detectors for DVB-S2 Application," IEICE Transactions on Electronics, Vol. E92-C, No.1, pp. 127-134, Jan. 2009
    • 2007
    • Hoesam Jeong, Byoung-Joo Yoo, Cheolkyu Han, Sang-Yoon Lee, Kang-Yoon Lee, Suhwan Kim, Deog-Kyoon Jeong and Wonchan Kim, "A 0.25 um CMOS 1.9-GHz PHS RF Transceiver With a 150-kHz Low-IF Architecture," IEEE JOURNAL OF SOLID-STATE CIRCUITS, Vol.42, No.6, pp. 1318-1327, Jun. 2007
    • 2006
    • Young-Beom Kim, Kang-Yoon Lee, Hyunchul Ku and Eui-Nam Huh, "A Route Optimization Via Recursive CoA Substiution for Nested Mobile Networks," ICCSA 2006, LNCS 3981, pp. 827-836, Jun. 2006
    • Hyunchul Ku, Kang-Yoon Lee and YoungBeom Kim, "ACPR Improvement Limitations of Predistortion Linearizer for Nonlinear RF Power Amplifiers," IEICE TRANSACTION ON ELECTRONICS, Vol.E89-C, No.4, pp. 466-472, Apr. 2006
    • Kang-Yoon Lee, Hyunchul Ku and YoungBeom Kim, "A Fast Switching Low Phase Noise CMOS Frequency Synthesizer with a New Coarse Tuning Method for PHS Applications," IEICE TRANSACTION ON ELECTRONICS, Vol.E89-C, No.3, pp. 420-428, Mar. 2006
    • 2005
    • Hyungki Huh, Yido Koo, Kang-Yoon Lee, Yeonkyeong Ok, Sungho Lee, Daehyun Kwon, Jeongwoo Lee, Joonbae Park, Kyeongho Lee, DeogKyoon Jeong and Wonchan Kim, "Comparison Frequency Doubling and Charge Pump Matching Techniques for Dual-Band Fractional-N Frequency Synthesizer," IEEE JOURNAL OF SOLID-STATE CIRCUITS, Vol.40, No.11, pp. 2228-2236, Nov. 2005
    • Kang-Yoon Lee, "A Wide Frequency Range Delay-Locked Loop Using Multi-Phase Frequency Detection Technique," IEICE TRANSACTION ON ELECTRONICS, Vol.E88-C, No.9, pp. 1900-1902, Sep. 2005
    • 2003
    • Kang-Yoon Lee, DeogKyoon Jeong, "A CMOS Multi-Mode Baseband Filter with Automatic Tuning," IEICE TRANSACTION ON ELECTRONICS, Vol.E86-C, No.2, pp. 240-243, Feb. 2003
    • Kang-Yoon Lee, DeogKyoon Jeong, "A New Phase Detector Scheme for Reducing Jitter in Clock Recovery Circuits," IEICE TRANSACTION ON ELECTRONICS, Vol.E86-C, No.2, pp. 224-228, Feb. 2003
    • Kang-Yoon Lee, SeungWook Lee, HyoungKi Huh, HeeYoung Nam, JeongWoo Lee, Joonbae Park, Kyeongho Lee, DeogKyoon Jeong and Wonchan Kim, "Full-CMOS 2-GHz WCDMA Direct Conversion Transmitter and Receiver," IEEE JOURNAL OF SOLID-STATE CIRCUITS, Vol.38, No.1, pp. 43-53, Jan. 2003