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A 5 dBm 30.6% Efficiency 915 MHz Transmitter with 210 μw ULP PLL Employing Frequency Tripler and Digitally Controlled Duty/Phase Calibration Buffer Choi, Kyungsik; Kim, Keun-Mok; Ko, Jinho; Lee, Sang-Gug, 16th IEEE Asian Solid-State Circuits Conference, A-SSCC 2020, Institute of Electrical and Electronics Engineers Inc., 2020-11 |
A Single-Supply Single-Core Inverse Class-D Digital Power Amplifier with Enhanced Power Back-Off Efficiency Adopting Output Power Scaling Technique Choi, Kyungsik; Ko, Jinho; Lee, Sang-Gug, 35th Symposium on VLSI Circuits, VLSI Circuits 2021, Institute of Electrical and Electronics Engineers Inc., 2021-06 |
Fast-settling Onboard Electrochemical Impedance Spectroscopy System Adopting Quasi-linear-phase Band-pass Filter Lee, Young-Nam; Choi, Kyungsik; Jo, Seong-Won; Rahim, Gul; Kwon, Kyeongha; Lee, Sang-Gug, 2023 IEEE International Instrumentation and Measurement Technology Conference (I2MTC), IEEE, 2023-05-22 |
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