[Elecraft] LCD TV Causing RFI

[Brian - N5BCN]

FYI, a follow up to my RFI hunting adventure:

I ordered a bunch of ferrite cores from Mouser, Part #623-0431176451, at
about $7.00 each.  They have a 0.72 inch inner diameter.

The offending HDMI cables are fairly thick; I could only manage two complete
turns and still be able to snap the core shut.  Three turns and I had to
zip-tie the core shut.

The cores helped immensely.  I achieved the best results with one core with
three turns and a second core added to the cable with two turns, both on the
DVR end of the cable.  The RFI has been abated about 95%.

Question: does the tightest of the coils going through the core have any
affect on the impedance?

Thanks for everyone's help on this issue!!

N5BCN - Brian

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K2 #6800 KSB2 KAT2 KIO2 K160RX KNB2
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