[RTTY] Help with keeping RF out of PC

[Bill Turner]

On Wed, 12 Jan 2005 22:48:01 -0500, John- W4DJ wrote:

>Your symptoms are exactly 
>what I have had in the past and as soon as I grounded the computer problem 
>solved.
___________________________________________________________

You were lucky.  Often, adding a ground makes the problem worse, not
better, especially at higher frequencies.  Remember, a ground wire 1/4
wavelength long is essentially an open circuit at the transmitter end.

The better approach is to prevent the RF from getting into the
computer in the first place.  Ferrite is your friend.

-- 
Bill, W6WRT



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