[RFI] Power strip filtering & protection

Jim Brown jim at audiosystemsgroup.com
Thu Mar 7 21:29:24 EST 2013


On 3/7/2013 5:57 PM, qrv at kd4e.com wrote:
> Based on this data is the Belkin a good idea in a Ham residence to
> limit RFI getting from one group of devices to another via the AC
> wiring? 

No, it's only a numbers game, AND, more important, power line filters 
are not generally effective in preventing RFI. First, because 
differential mode RF on the power line is rarely the problem, and 
because they don't attack common mode RF on the power line (because the 
green wire goes right through them). And common mode is the primary issue.

73, Jim K9YC.


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