Power ground

[xxalexx at ix.netcom.com]

EE designers like to separate all grounds digital, analog and
power.  This can avoid transient voltage spikes on one ground
line affecting another ground line, or any voltage differences on
ground lines.  There are some design schemes to reconnect the 
grounds such as the Starr, found in alot of A/D reports   
alex
> Anyone have time to explain the difference between 'ground' and
> 'powerground'?
> TIA
> Geoff