3.8 mW electrocardiogram (ECG) filtered electrical impedance tomography IC using I/Q homodyne architecture for breast cancer diagnosis. - Yongsu Lee; Unsoo Ha; Kiseok Song; Hoi-Jun Yoo (ISCAS, 2014)

18.4 A 4.9mΩ-sensitivity mobile electrical impedance tomography IC for early breast-cancer detection system. - Sunjoo Hong; Kwonjoon Lee; Unsoo Ha; Hyunki Kim; Yongsu Lee; Youchang Kim; Hoi-Jun Yoo (ISSCC, 2014)

A multimodal stress monitoring system with canonical correlation analysis. - Unsoo Ha; Changhyeon Kim; Yongsu Lee; Hyunki Kim; Taehwan Roh; Hoi-Jun Yoo (EMBC, 2015)

A 0.54-mW duty controlled RSSI with current reusing technique for human body communication. - Jaeeun Jang; Yongsu Lee; Hyunwoo Cho; Hoi-Jun Yoo (ISCAS, 2015)

21.9 A wearable EEG-HEG-HRV multimodal system with real-time tES monitoring for mental health management. - Unsoo Ha; Yongsu Lee; Hyunki Kim; Taehwan Roh; Joonsung Bae; Changhyeon Kim; Hoi-Jun Yoo (ISSCC, 2015)

A 4.84mW 30fps dual frequency division multiplexing electrical impedance tomography SoC for lung ventilation monitoring system. - Yongsu Lee; Kiseok Song; Hoi-Jun Yoo (VLSIC, 2015)

A 4.9 mΩ-Sensitivity Mobile Electrical Impedance Tomography IC for Early Breast-Cancer Detection System. - Sunjoo Hong; Kwonjoon Lee; Unsoo Ha; Hyunki Kim; Yongsu Lee; Youchang Kim; Hoi-Jun Yoo (IEEE J. Solid State Circuits, 2015)

A Wearable EEG-HEG-HRV Multimodal System With Simultaneous Monitoring of tES for Mental Health Management. - Unsoo Ha; Yongsu Lee; Hyunki Kim; Taehwan Roh; Joonsung Bae; Changhyeon Kim; Hoi-Jun Yoo (IEEE Trans. Biomed. Circuits Syst., 2015)

Sticker-type ECG/PPG concurrent monitoring system hybrid integration of CMOS SoC and organic sensor device. - Yongsu Lee; Hyeonwoo Lee; Seunghyup Yoo; Hoi-Jun Yoo (EMBC, 2016)

A 82nW chaotic-map true random number generator based on sub-ranging SAR ADC. - Minseo Kim; Unsoo Ha; Yongsu Lee; Kyuho Lee 001; Hoi-Jun Yoo (ESSCIRC, 2016)

A 48 μW, 8.88 × 10-3 W/W batteryless energy harvesting BCC identification system. - Jihee Lee; Yongsu Lee; Hyunwoo Cho; Hoi-Jun Yoo (ISCAS, 2016)

14.3 A 0.55V 1.1mW artificial-intelligence processor with PVT compensation for micro robots. - Youchang Kim; Dongjoo Shin; Jinsu Lee; Yongsu Lee; Hoi-Jun Yoo (ISSCC, 2016)

22.3 A 141µW sensor SoC on OLED/OPD substrate for SpO2/ExG monitoring sticker. - Yongsu Lee; Hyeonwoo Lee; Jaeeun Jang; Jihee Lee; Minseo Kim; Jaehyuk Lee; Hyunki Kim; Kyoung-Rog Lee; Kwantae Kim; Hyunwoo Cho; Seunghyup Yoo; Hoi-Jun Yoo (ISSCC, 2016)

A 79 pJ/b 80 Mb/s Full-Duplex Transceiver and a 42.5µW 100 kb/s Super-Regenerative Transceiver for Body Channel Communication. - Hyunwoo Cho; Hyunki Kim; Minseo Kim; Jaeeun Jang; Yongsu Lee; Kyuho Jason Lee; Joonsung Bae; Hoi-Jun Yoo (IEEE J. Solid State Circuits, 2016)

A 540-µW Duty Controlled RSSI With Current Reusing Technique for Human Body Communication. - Jaeeun Jang; Yongsu Lee; Hyunwoo Cho; Hoi-Jun Yoo (IEEE Trans. Biomed. Circuits Syst., 2016)

A 274µW clock synchronized wireless body area network IC with super-regenerative RSSI for biomedical ad-hoc network system. - Yongsu Lee; Hoi-Jun Yoo (EMBC, 2017)

A 24 μW 38.51 mΩrms resolution bio-impedance sensor with dual path instrumentation amplifier. - Kwantae Kim; Kiseok Song; Kyeongryeol Bong; Jaehyuk Lee; Kwonjoon Lee; Yongsu Lee; Unsoo Ha; Hoi-Jun Yoo (ESSCIRC, 2017)

21.2 A 1.4mΩ-sensitivity 94dB-dynamic-range electrical impedance tomography SoC and 48-channel Hub SoC for 3D lung ventilation monitoring system. - Minseo Kim; Hyunki Kim; Jaeeun Jang; Jihee Lee; Jaehyuk Lee; Jiwon Lee; Kyungrog Lee; Kwantae Kim; Yongsu Lee; Hoi-Jun Yoo (ISSCC, 2017)

Sticker-Type Hybrid Photoplethysmogram Monitoring System Integrating CMOS IC With Organic Optical Sensors. - Yongsu Lee; Hyeonwoo Lee; Jaeeun Jang; Jihee Lee; Minseo Kim; Jaehyuk Lee; Hyunki Kim; Seunghyup Yoo; Hoi-Jun Yoo (IEEE J. Emerg. Sel. Topics Circuits Syst., 2017)

A 82-nW Chaotic Map True Random Number Generator Based on a Sub-Ranging SAR ADC. - Minseo Kim; Unsoo Ha; Kyuho Jason Lee; Yongsu Lee; Hoi-Jun Yoo (IEEE J. Solid State Circuits, 2017)

A 1.4-m $ Omega$ -Sensitivity 94-dB Dynamic-Range Electrical Impedance Tomography SoC and 48-Channel Hub-SoC for 3-D Lung Ventilation Monitoring System. - Minseo Kim; Jaeeun Jang; Hyunki Kim; Jihee Lee; Jaehyuk Lee; Jiwon Lee; Kyoung-Rog Lee; Kwantae Kim; Yongsu Lee; Kyuho Jason Lee; Hoi-Jun Yoo (IEEE J. Solid State Circuits, 2017)

4-Camera VGA-resolution capsule endoscope with 80Mb/s body-channel communication transceiver and Sub-cm range capsule localization. - Jaeeun Jang; Jihee Lee; Kyoung-Rog Lee; Jiwon Lee; Minseo Kim; Yongsu Lee; Joonsung Bae; Hoi-Jun Yoo (ISSCC, 2018)

A 0.55 V 1.1 mW Artificial Intelligence Processor With On-Chip PVT Compensation for Autonomous Mobile Robots. - Youchang Kim; Dongjoo Shin; Jinsu Lee; Yongsu Lee; Hoi-Jun Yoo (IEEE Trans. Circuits Syst. I Regul. Pap., 2018)

Demonstration of ternary devices and circuits using dual channel graphene barristors. - So-Young Kim; Sunwoo Heo; Kiyung Kim; Myungwoo Son; Seung-Mo Kim; Ho-In Lee; Yongsu Lee; Hyeon Jun Hwang; Moon-Ho; Byoung Hun Lee (ISMVL, 2019)

A 0.5V 9.26μW 15.28mΩ/√Hz Bio-Impedance Sensor IC With 0.55° Overall Phase Error. - Kwantae Kim; Ji-Hoon Kim 004; Surin Gweon; Jiwon Lee; Minseo Kim; Yongsu Lee; Soyeon Kim; Hoi-Jun Yoo (ISSCC, 2019)

A 7.0fps Optical and Electrical Dual Tomographic Imaging SoC for Skin-Disease Diagnosis System. - Yongsu Lee; Kwantae Kim; Jiwon Lee; Kyoung-Rog Lee; Surin Gweon; Minseo Kim; Hoi-Jun Yoo (ISSCC, 2019)

A Four-Camera VGA-Resolution Capsule Endoscope System With 80-Mb/s Body Channel Communication Transceiver and Sub-Centimeter Range Capsule Localization. - Jaeeun Jang; Jihee Lee; Kyoung-Rog Lee; Jiwon Lee; Minseo Kim; Yongsu Lee; Joonsung Bae; Hoi-Jun Yoo (IEEE J. Solid State Circuits, 2019)

Extreme Low Power Technology using Ternary Arithmetic Logic Circuits via Drastic Interconnect Length Reduction. - Kiyung Kim; Sunmean Kim; Yongsu Lee; Daeyeon Kim; So-Young Kim; Seokhyeong Kang; Byoung Hun Lee (ISMVL, 2020)

Drastic reliability improvement using H2O2/UV treatment of HfO2 for heterogeneous integration. - Seung-Mo Kim; Thi Mi Hanh Nyugen; Jungwon Oh; Yongsu Lee; Soo Cheol Kang; Ho-In Lee; Cihyun Kim; Surajit Some; Hyeon Jun Hwang; Byoung Hun Lee (IRPS, 2021)