Hi, Matthias Herrmann wrote: > Haha, yes! > The 4046 was not intended to be used as an audio VCO. And this was reason enough for Thomas Henry to actually try and do it, I guess. I did other weird fun stuff as well. http://www.milton.arachsys.com/nj71/index.php?menu=2&submenu=2&subsubmenu=9 Neil -- http://www.njohnson.co.uk