14.85 µW Analog Front-End for Photoplethysmography Acquisition with 142-dBΩ Gain and 64.2-pA<sub>rms</sub> Noise

14.85 µW Analog Front-End for Photoplethysmography Acquisition with 142-dBΩ Gain and 64.2-pA<sub>rms</sub> Noise

A low-power, high-gain, and low-noise analog front-end (AFE) for wearable photoplethysmography (PPG) acquisition systems is designed and fabricated in a 0.35 &#956;m CMOS process. A high transimpedance gain of 142 dB&#937; and a low input-referred noise of only 64.2 pA<sub>rms</sub&...

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Bibliographic Details
Main Authors: Binghui Lin, Mohamed Atef, Guoxing Wang
Format: Article
Language:English
Published: MDPI AG 2019-01-01
Series:Sensors
Subjects:
analog front-end
low power
photoplethysmography
transimpedance amplifier
Online Access:https://www.mdpi.com/1424-8220/19/3/512

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