| 53 | 
					S. Lee, Y. Yang, K. -Y. Lee and K. C. Hwang | 
					Communication Dual-band Circularly Polarized Annular Slot Antenna With a Lumped Inductor for GPS Applications | 
					IEEE Transactions on Antennas and Propagation | 
					vol. 68, no. 12, pp. 8197-8202 | 
					2020-12 | 
					SCIE((IF:4.371) | 
					AADL,MCS,IC lab | 
				
								
										| 52 | 
					J. Yun, S. Trinh-Van, J. -Y. Park, Y. Yang, K. -Y. Lee and K. C. Hwang | 
					Cavity-Backed Patch Filtenna for Harmonic Suppression | 
					IEEE Access | 
					vol. 8, pp. 221580-221589 | 
					2020-12 | 
					SCIE((IF:3.745) | 
					AADL,MCS,IC lab | 
				
								
										| 51 | 
					J. Bae, S.-H. Yi, H. Koo, S. Oh, H. Oh, W Choi, J. Shin, C. M. Song, K. C. Hwang, K.-Y. Lee, and Y. … | 
					LUT-Based Focal Beamforming System Using 2-D Adaptive Sequential Searching Algorithm for Microwave Power Transfer | 
					IEEE Access | 
					vol. 8, pp. 196024-196033 | 
					2020-10 | 
					SCIE((IF:3.745) | 
					AADL,MCS,IC lab | 
				
								
										| 50 | 
					S. Oh, E. Yoo, H. Oh, H. Koo, J. Shin, K. C. Hwang, K.-Y. Lee, and Y. Yang | 
					Frequency Selective Degeneration for 6?18 GHz GaAs pHEMT Broadband Power Amplifier Integrated Circuit | 
					Electronics | 
					vol. 9, no. 10, pp. 1588 | 
					2020-09 | 
					SCIE((IF:2.412) | 
					AADL,MCS,IC lab | 
				
								
										| 49 | 
					S.-J. Oh, D. Khan, Byeong-Gi Jang, M. Basim, M. Asif, I. Ali, Y. G. Pu, S.-S. Yoo, M. Lee, K. C. Hwa… | 
					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 | 
					2020-09 | 
					SCIE((IF:6.373) | 
					AADL,MCS,IC lab | 
				
								
										| 48 | 
					S. Lee, J. Lee, S. Choi, Y.-H. Lee, J.-Y. Chung, K. C. Hwang, and Y. B. Park | 
					Design and Characterization of VHF Band Small Antenna Using CRLH Transmission Line and Non-Foster Matching Circuit | 
					Applied Sciences-Basel | 
					vol. 10, no.18, pp. 6366 | 
					2020-09 | 
					SCIE((IF:2.474) | 
					AADL | 
				
								
										| 47 | 
					W. B. Park, Young-Mi Park, and K. C. Hwang | 
					Ferrite-loaded Spidron fractal loop VHF antenna for UAV applications | 
					Applied Sciences-Basel | 
					vol. 10, no.15, pp. 5392 | 
					2020-08 | 
					SCIE((IF:2.474) | 
					AADL | 
				
								
										| 46 | 
					Jong-Wan Jo, K. Shehzad, D. Verma, Sung-Jin Kim, Young-Woo Park, Kwan-Tae Kim, Sang-Yun Kim, Y. G. P… | 
					Low Noise, Low Power 5-channel Sonar Signal Conditioning Receiver with 1.5 MS/s-12.5 MS/s 16-bit Sigma-delta ADC for Ocean Acoustic Measurements | 
					JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE | 
					vol. 20, no. 4, pp. 326-342 | 
					2020-08 | 
					SCIE((IF:0.364) | 
					AADL,MCS,IC lab | 
				
								
										| 45 | 
					M. Asif, I. Ali, D. Khan, M. R. Rehman, M. Basim, Y. G. Pu, M. Lee, K. C. Hwang, Y. Yang, K.-Y. Lee | 
					A High Performance Adaptive Digital LDO Regulator With Dithering and Dynamic Frequency Scaling for IoT Applications | 
					IEEE Access | 
					vol. 8, pp. 132200-132211 | 
					2020-07 | 
					SCIE((IF:3.745) | 
					AADL,MCS,IC lab | 
				
								
										| 44 | 
					D. Verma, K. Shehzad, D. Khan, S. J. Kim, Y. G. Pu, S.-S. Yoo, K. C. Hwang, Y. Yang, K.-Y. Lee | 
					A Design of Low-Power 10-bit 1-MS/s Asynchronous SAR ADC for DSRC Application | 
					Electronics | 
					vol. 9, no. 7, pp. 1100 | 
					2020-07 | 
					SCIE((IF:2.412) | 
					AADL,MCS,IC lab |