I like to express my gratitude to those of you who provided new
information and insight related to A/D and D/A Connections.
I guess, I am still left with the dillemma of "what to do when the System (not
the PCB) incorporates several such devices. Doesn't circulating current
between the circuits cause any harm? Should we not decouple (or actually
isolate (in RF, usnig Ferrites or Chokes) the various ground connections?
Hope to get some insight on this too...
Elya B. Joffe
The secret of happiness is to count your blessings while others are adding up their troubles
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