Evolution: Triangle VCO

This shows the progress of the Ian Fritz Triangle VCO that I talked about in an earlier post. After a few stuff ups it all came to life today! Two problems cancelled each other out which caused a bit of head scratching but after a few tweeks we did get this:

I haven't calibrated the 1V/octave bit yet but so far it seems really quite good! But then you would expect that from Ian's designs...