A low-power PPG readout with an automatic switching between ambient light and OLED driver

Photodetector Innovations for Advancing Wearable Optical Biosensors: A Review

Z Ebrahimi, B Gosselin - IEEE Sensors Journal, 2024 - ieeexplore.ieee.org
Optical biosensors such as photoplethysmography (PPG), pulse oximetry, and near-infrared
spectroscopy (NIRS) are critical health monitoring tools, providing critical insights into …
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An Ultra-Low 6μW Analog Front-End for a Flexible OLED-μLED-OPD PPG Patch by PPG-gated PDM Emission to Sense Heart Rate

RK Pandey, EF Pribadi, PCP Chao - IEEE Sensors Journal, 2024 - ieeexplore.ieee.org
A next-generation 0.5-V-based ultralow-voltage and low-power (ULV-ULP) readout for long-
time continuous monitoring of photoplethysmography (PPG) signals is designed by this effort …
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