Original poster: "Matthew Smith by way of Terry Fritz <teslalist@qwest.net>" <matt@kbc.net.au> Hi Anyone care to give any guidelines for the layout of PCB tracks (and components) on an SSTC? My concern is protecting the "timing end" from the "business end". TIA Cheers M -- Matthew Smith IT Consultant - KBC, South Australia KBC Web Site http://www.kbc.net.au PGP Public Key http://gpg.mss.cx