On Wed, 2010-03-10 at 08:08 +0100, Wouter van Ooijen wrote: > Sean Breheny wrote: > > I'm not sure I understand - most scopes do not have isolation from AC ground. > > Most scopes do not contain a bunch of SPSU's, a harddisk, etc. Actually most of the "bigger" ones now do. Many of the scopes and LAs I've used recently are just computers with capture cards inserted. Many even run some version of windows (cringe...). TTYL -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist