[RFI] Wall Wart RFI [Was: HDTV: Plasma vs LCD]

[Jim Brown]

On 12/22/2012 12:20 PM, qrv at kd4e.com wrote:
> Is anyone aware of power strips that contain effective filters
> to block powerline RFI?

A common mode choke formed by winding multiple turns of the power line 
through a #31 or #43 ferrite core makes a rather effective filter for 
this sort of stuff.  Use Appendix One of my RFI tutorial as a winding 
guideline.

73, Jim K9YC