Bob Tellefsen said:
> Rick
> Are you referring to passing a single wire with dc through the core?
> Would running both dc leads through the core in a bifilar way cancel
> out, and leave the core unaffected?
> 73, Bob N6WG
This is referred to as a common mode choke.
Differential (odd) mode current would not affect the core.
Common (even) mode current would be able to affect the core
if of sufficient magnitude. In any event, it is
not useful for putting DC on coax to control remote
relays.
Rick N6RK
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