At 04:58 PM 11/17/00 -0500, Olin Lathrop wrote: >> ... Sines have lots of even harmonics, > >A sine (or cosine) is a "pure" frequency which contains no harmonics by >definition. True, but if you've got a pic that outputs a pure sine, let me know, I want to buy stock. The osc drive circuits will give a distorted sine, that contains even harmonics. -- Where's dave? http://www.findu.com/cgi-bin/find.cgi?kc6ete-9 -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu