Filtered audio and opamp

182

01:45:52

Input signal (orange) includes three signals, but the lowest one (blue) is not desired.  A simple high pass filter blocks the low frequency.   Notice how the input modulates at this frequency but the  output (green) does not.

published 3 years ago

nuggethead

3 years ago

I didn't size the capacitors or resistors carefully, just played with them until it looked rogut

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