A 43.4μW photoplethysmogram-based heart-rate sensor using heart-beat-locked loop. - Do-Hun Jang; SeongHwan Cho (ISSCC, 2018)

A Low-Power Photoplethysmogram-Based Heart Rate Sensor Using Heartbeat Locked Loop. - JinSeok Lee; Do-Hun Jang; Sujin Park; SeongHwan Cho (IEEE Trans. Biomed. Circuits Syst., 2018)