> >What does the synthesized sine wave need to lock to? > > Incoming power from the electric company 3-phase setup. I will only use one > phase as my master reference, the other is assumed to be 90 degrees off. > Wouldn't that be 120 degrees off? Mark -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu