yes it helps immensely to have a low pass filter issolating a device from the power planes.
Steve Meier On Tue, 2008-10-28 at 14:49 -0400, DJ Delorie wrote: > > In my 20+ years in engineering I have yet to see one case where > > splitting a ground plane under high-speed ADCs has worked. > > What about high precision ADCs? I'm working on a design using ADE7753 > power monitor chips (16-bit ADCs) , and their own app note (AN564) > shows a ferrite isolating analog ground, and a 10R resistor isolating > AVdd. > > > _______________________________________________ > geda-user mailing list > geda-user@moria.seul.org > http://www.seul.org/cgi-bin/mailman/listinfo/geda-user _______________________________________________ geda-user mailing list geda-user@moria.seul.org http://www.seul.org/cgi-bin/mailman/listinfo/geda-user