I replaced the oscillator with a better one that has a wider range and an additional pulse width control. I also added a much needed gate for the carrier oscillator - a envelope follower that turns off the oscillator when not playing. No more carrier bleedthrough. :)
Resolution - controls the pulse width of the oscillator. Wider pulses lets more clean signal through
Sample rate - control the frequency of the oscillator
Gate (trimmer) - this sets the gate threshold for the oscillator in relation to the input signal
This tutorial is very good: http://diy-guitar-effects.tumblr.com/etching
The name and text on the enclosure comes from the lyrics from this song. But I bet you knew that already, otherwise - shame on you! :o)
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