A 27mW 2.2dB NF GPS receiver using a capacitive cross-coupled structure in 65nm CMOS. - Hyunwon Moon; Seung-Chan Heo; Hwayeal Yu; Jinhyuck Yu; Ji-Soo Chang; Seung-Il Choi; Sangyoub Lee; Woo-Seung Choo; Byeong-Ha Park (CICC, 2010)

A 23mW fully integrated GPS receiver with robust interferer rejection in 65nm CMOS. - Hyunwon Moon; Sangyoub Lee; Seung-Chan Heo; Hwayeal Yu; Jinhyuck Yu; Ji-Soo Chang; Seung-Il Choi; Byeong-Ha Park (ISSCC, 2010)

Fast Output Voltage-Regulated PWM Buck Converter With an Adaptive Ramp Amplitude Control. - Ji-Soo Chang; Hyoung-Seok Oh; Young-Hyun Jun; Bai-Sun Kong (IEEE Trans. Circuits Syst. II Express Briefs, 2013)

A Sub-6-GHz 5G New Radio RF Transceiver Supporting EN-DC With 3.15-Gb/s DL and 1.27-Gb/s UL in 14-nm FinFET CMOS. - Jongwoo Lee; Kiyong Son; Hyungsun Lim; Daechul Jeong; Ilyong Jong; Sanghyun Baek; Jae Hoon Lee; Ronghua Ni; Yongrong Zuo; Chih-Wei Yao; Seungchan Heo; Sangwook Han; et al. (IEEE J. Solid State Circuits, 2019)

A 1.05A/m Minimum Magnetic Field Strength Single-Chip Fully Integrated Biometric Smart Card SoC Achieving 1014.7ms Transaction Time with Anti-Spoofing Fingerprint Authentication. - Ji-Soo Chang; Eunsang Jang; Youngkil Choi; Moonkyu Song; Sanghyo Lee; Gi-Jin Kang; Junho Kim; Shin-Wuk Kang; Uijong Song; Chang-Yeon Cho; Junseo Lee; Kyungduck Seo; et al. (ISSCC, 2022)

A 1.05-A/m Minimum Magnetic Field Strength Single-Chip, Fully Integrated Biometric Smart Card SoC Achieving 792.5-ms Transaction Time With Anti-Spoofing Fingerprint Authentication. - Ji-Soo Chang; Eunsang Jang; Youngkil Choi; Moonkyu Song; Sanghyo Lee; Gi-Jin Kang; Junho Kim; Uijong Song; Chang-Yeon Cho; Giyeong Ko; Hyunseok Hwang; Junseo Lee; et al. (IEEE J. Solid State Circuits, 2023)