Guillaume Thenaisie, Cheol Hui Park, and Sang Gug Lee. "A real-time entropy estimation algorithm for lithium batteries based on a combination of Kalman filter and nonlinear observer." IEEE Transactions on Industrial Electronics. (Early Access)
Sae Byeok Shin, Dzuhri Radityo Utomo, Hyun Ki Jung, Seok Kyun Han, Ju Sung Kim, and Sang Gug Lee . "Wide Locking-Range Frequency Multiplier by 1.5 Employing Quadrature Injection-Locked Frequency Tripler With Embedded Notch Filtering." IEEE Transactions on Microwave Theory and Techniques 67.12: 4791-4802, Dec. 2019.
Dzuhri Radityo Utomo, Dae Woong Park, Jong Phil Hong, and Sang Gug Lee. "A 270-GHz Push-Push Transformer-Based Oscillator Adopting Power Leakage Suppression Technique." Electronics 8.11, 1347, Nov. 2019.
Kyung-Sik Choi, Dzuhri Radityo Utomo, and Sang-Gug Lee. "A Fully Integrated 490-GHz CMOS Heterodyne Imager Adopting Second Subharmonic Resistive Mixer Structure." IEEE Microwave and Wireless Components Letters 29.10, 673-676, Oct. 2019.
Dae Woong Park, Dzuhri Radityo Utomo, Bao Huu Lam, Jong Phil Hong, and Sang Gug Lee. A 230–260-GHz Wideband and High-Gain Amplifier in 65-nm CMOS Based on Dual-Peak Gmax-Core. IEEE Journal of Solid-State Circuits, 54(6), 1613-1623, June 2019.
Hyun Ki Jung, Dzuhri Radityo Utomo, Sae Byeok Shin, Seok Kyun Han, Jun Sung Kim, and Sang Gug Lee. "A 30–40 GHz CMOS Receiver Front-End with 5.9 dB NF and 16.5 dB Conversion Gain for Broadband Spectrum Sensing Applications." Electronics 8.5, 593. May 2019.
