ECG PCB
A custom electrocardiogram board: the analog front end that pulls a millivolt heart signal out of 60 Hz mains noise.
Spec
- Tool
- Autodesk Fusion 360
- Front end
- Instrumentation amplifier
- Filtering
- Active bandpass
- Interference
- 60 Hz notch
- Scope
- Schematic, components, BOM
- Signal
- Surface ECG
Write-up coming soon.
Why I built it
Who it was for and what problem they had.
The hard part
One decision I had to make and what I gave up.
What I'd do next
Honest limits and the next measurement.