Embedded Files
Functioning Electrocardiogram Circuit (Heart Monitor)
Functioning Electrocardiogram Circuit (Heart Monitor)
Developed to gain experience with Operational Amplifiers, Oscilloscopes, and Signal Generators.
Developed to gain experience with Operational Amplifiers, Oscilloscopes, and Signal Generators.
The ECG circuit was built from scratch utilizing an Instrumentation Amplifier, 1st Order High Pass Filter, and 2nd order Low Pass Filter.
The ECG circuit was built from scratch utilizing an Instrumentation Amplifier, 1st Order High Pass Filter, and 2nd order Low Pass Filter.
Pre-Filtering
Pre-Filtering
Post-Filtering
Post-Filtering
Ideal ECG Function
Ideal ECG Function
Takes the raw signal from the patient (1 millivolt), Amplifies it to 1 volt, removes noise and DC offsets.
Takes the raw signal from the patient (1 millivolt), Amplifies it to 1 volt, removes noise and DC offsets.
Experimented with Varying Cutoff Frequencies and Amounts of Gain
Experimented with Varying Cutoff Frequencies and Amounts of Gain
Circuit Diagram Sketch
Circuit Diagram Sketch
For the fun of it, I took what I had learned and developed a PCB of the circuit.
For the fun of it, I took what I had learned and developed a PCB of the circuit.
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