Yongtae Lee (Ph. D. Candidate) and Sangwoo Lee (Ph. D. Alumni), professor Youngcheol Chae’s research group, will be presenting in 2021 Symposia on VLSI Circuits (SOVC), which is an excellent conference in system IC design and will be held in Kyoto on June 13. Each paper will be presented on the subject of a high-precision gas sensor for measuring harmful gas and a low-power, high-resolution ADC. They were accepted by achieving the capability to overcome the existing technical limitations through innovative ideas.