[sdiy] Ferrite Beads

[Matthew Smith]

Quoth Stewart Pye at 03/02/11 07:45...
> It's common (good practice) practice to put ferrite beads on the power 
> supply inputs to a module. Would it also be good practice to put them on 
> audio inputs to a system that uses banana sockets (unshielded cables), 
> or does RC filtering at your input op amp do just as good or better job?

Speaking of ferrite beads, I've been wondering about boards with both 
analogue and digital sections. The grounds of both need to be connected 
(at the DAC) - should this be a link with a bead on it rather than just 
being part of the same ground plane?


-- 
Matthew Smith

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