[RFI] clamp on ferrites at Mouser

Jim Brown jim at audiosystemsgroup.com
Tue Jun 17 02:59:34 EDT 2014


On 6/16/2014 11:29 PM, David Cole wrote:
> I try and get about 1K of impedance
> at whatever frequency I want suppressed.

That's a good start, but 5K is better. :)  And remember that we're 
looking for RESISTIVE impedance. Reactance can be cancelled by reactance 
of the opposite sign from the cable to which it is added, increasing the 
current. But resistance always reduces the current.

73, Jim K9YC


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