On 5/31/2011 7:51 AM, Frank N. Haas KB4T wrote:
> I was able to resolve the interference problem by taking a 10 foot
> long IEC AC power cord (the type which has a "standard" AC wall outlet
> plug on one end and the 3 pin female connector that fits the standard
> AC power jack on most equipment) and winding it around a 2.5 inch Type
> 31 Ferrite donut 8 or 9 times and again through a 2nd donut
> immediately adjacent. Essentially 2 chokes in series.
Great info, Frank. Thanks for posting. Yes, that's probably something
on the order of 5-10K ohms at 10 MHz.
73, Jim K9YC
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