A batteryless motion-adaptive heartbeat detection system-on-chip powered by human body heat S Bose, B Shen, ML Johnston
IEEE Journal of Solid-State Circuits 55 (11), 2902-2913, 2020
40 2020 A 1.2 V–20 V closed-loop charge pump for high dynamic range photodetector array biasing B Shen, S Bose, ML Johnston
IEEE Transactions on Circuits and Systems II: Express Briefs 66 (3), 327-331, 2018
28 2018 Combined in-pixel linear and single-photon avalanche diode operation with integrated biasing for wide-dynamic-range optical sensing H Ouh, B Shen, ML Johnston
IEEE Journal of Solid-State Circuits 55 (2), 392-403, 2019
25 2019 Zero reversion loss, high-efficiency charge pump for wide output current load range B Shen, ML Johnston
2018 IEEE International Symposium on Circuits and Systems (ISCAS), 1-5, 2018
13 2018 On-chip high-voltage SPAD bias generation using a dual-mode, closed-loop charge pump B Shen, S Bose, ML Johnston
2017 IEEE International Symposium on Circuits and Systems (ISCAS), 1-4, 2017
11 2017 Fully-Integrated Charge Pump Design Optimization for Above-Breakdown Biasing of Single-Photon Avalanche Diodes in 0.13- m CMOS B Shen, S Bose, ML Johnston
IEEE Transactions on Circuits and Systems I: Regular Papers 66 (3), 1258-1269, 2018
7 2018 A 10 M , 50 kHz-40 MHz Impedance Measurement Architecture for Source-Differential Flow Cytometry B Shen, J Dawes, ML Johnston
IEEE Transactions on Biomedical Circuits and Systems 16 (5), 766-778, 2022
6 2022 DC-100 kHz tunable readout IC for impedance spectroscopy and amperometric measurement of electrochemical sensors B Shen, ML Johnston
2020 IEEE 63rd International Midwest Symposium on Circuits and Systems …, 2020
6 2020 26.5 A 20µW Heartbeat Detection System-on-Chip Powered by Human Body Heat for Self-Sustaining Wearable Healthcare S Bose, B Shen, ML Johnston
2020 IEEE International Solid-State Circuits Conference-(ISSCC), 408-410, 2020
4 2020 Low-power heart beat detection circuit architecture for body heat powered sensing S Bose, B Shen, M Johnston
US Patent App. 17/169,136, 2021
3 2021 A digitally-reconfigurable RC frequency generator using impedance IQ-balanced frequency-locked-loop with selectable phase mixing B Shen, ML Johnston
2021 IEEE Custom Integrated Circuits Conference (CICC), 1-2, 2021
3 2021 A Frequency-Locked Oscillator Using Complex RC Impedance IQ-Balancing B Shen, S Bose, ML Johnston
IEEE Journal of Solid-State Circuits 57 (3), 677-687, 2022
2 2022 A 6 pArms 50 kHz-40 MHz Impedance Sensor for Source-Differential Flow Cytometry B Shen, J Dawes, ML Johnston
2021 IEEE Biomedical Circuits and Systems Conference (BioCAS), 1-5, 2021
2 2021 Imepdance Sensing Techniques for Integrated Circuits Sensor Applications B Shen
2020