Fast Automatic Frequency Calibrator Using an Adaptive Frequency Search Algorithm. - Hyuk Ryu; Eun-Taek Sung; Sangyong Park; Je-Kwang Cho; Donghyun Baek (IEEE Trans. Very Large Scale Integr. Syst., 2017)

A 60-GHz Variable Gain Phase Shifter Based on Body Floated RF-DAC Structure. - Cheol So; Eun-Taek Sung; Songcheol Hong (IEEE Trans. Circuits Syst. II Express Briefs, 2022)