PROJECT: ECG Amplifier
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General description: A device to measure heart's voltage dipole magnitude using two electrodes on chest and common mode voltage suppression using a third electrode in the right leg. Display by an oscilloscope.

Function description: Amplifier supply by +/- 9V batteries with midpoint tied to amplifier ground. Operational amplifiers IC1A, IC1B and IC2A constitute a combined differential amplifier. IC2A and IC3A

Hardware:

Software: None

Documents:

Schematic

PCB

Layout

 

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