You are so right, I put an oscilloscope on my guitar output and was so surprised at seeing 2V p-p on a hard strum! so much higher than light picking. I will probably make the pre post amps adjustable. I knew I would be learning on this project and I am sure getting that in spades.
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Hi Frank. I followed the reference design in the G01 datasheet then added all of my circuitry around that. Reviewing the schematic before layout I see that the guitar signal is going to the FV1 with a gain of 1 so it's quite a small signal. If the FV1 has a Input p-p max of 3v wouldn't the A/d yield...