High Dynamic Range Photocurrent Sensory Circuit with a Multi-Transistor Background Light Cancellation Loop for Photoplethysmography Sensing

High Dynamic Range Photocurrent Sensory Circuit with a Multi-Transistor Background Light Cancellation Loop for Photoplethysmography Sensing

In this article, we present a new photocurrent sensory circuit with a three-transistor background light cancellation. We describe our innovative photocurrent sensor-based blood pressure measuring device using a resistor-based current-to-voltage converter with a background light cancellation (BLC) lo...

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Bibliographic Details
Main Authors: Mohamed Atef, Osman Hassan, Falah Awwad, Moien A. B. Khan
Format: Article
Language:English
Published: MDPI AG 2021-11-01
Series:Electronics
Subjects:
PPG sensor
DC photocurrent rejection
a current to voltage converter
dynamic range
Online Access:https://www.mdpi.com/2079-9292/10/22/2769

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