Filtering and amplifying raw PPG signal

A project log for Heart rate monitoring system

An open-source heart rate monitoring system based on the photoplethysmography principle.

Rajendra BhattRajendra Bhatt 08/20/2014 at 02:480 Comments

Filtering and amplification of the raw PPG signal is required to match the signal characteristics with the ADC specifications. I am currently working on an operational amplifier based active band pass filter to get rid of noise and boost the PPG signal. I will update this section soon.