Entropy and Exergy Analysis of a Heat Recovery Vapor Generator for Ammonia-Water Mixtures. - Kyoung Hoon Kim; Kyoungjin Kim; Hyung Jong Ko (Entropy, 2014)

A 2.4-GHz 1.5-mW Digital Multiplying Delay-Locked Loop Using Pulsewidth Comparator and Double Injection Technique. - Hyunik Kim; Yongjo Kim; Taeik Kim; Hyung Jong Ko; SeongHwan Cho (IEEE J. Solid State Circuits, 2017)

A 0.02mm2 fully synthesizable period-jitter sensor using stochastic TDC without reference clock and calibration in 10nm CMOS technology. - Kangyeop Choo; Hyunik Kim; Wooseok Kim; Jihyun F. Kim; Taeik Kim; Hyung Jong Ko (ISSCC, 2018)