[sdiy] Analog & Digital Ground

[Ian Fritz]

At 01:09 PM 4/11/06, Seb Francis wrote:

>Do you not think that Harry's point is valid about interconnecting 
>circuits needing a low impedance (at all frequencies) ground connection 
>between each other?

Uh ... no.  I see nothing wrong with totally isolating the switching 
circuit, ground and all, at rf frequencies.  I'll say it just one more time 
-- the beads have no effect from dc through audio frequencies.