[RFI] Computer monitor RFI

Berry W6EZ serazin at pacbell.net
Fri May 7 20:33:10 EDT 2004


If you have another computer, try the monitor on it before you make the 
conclusion that it is the monitor,
I could very well be the video card. If the video is built into the 
motherboard it could still be that.

W6EZ





> The Sony 15" monitor connected to the computer I am using with my rig 
> generates an enormous amount of RFI: S9 signals at intervals on 20m 
> and up, the intervals depending on the screen resolution I set. The 
> interference stops if I turn off the monitor or when it blanks after 
> the set timeout interval.
>
> The video cable has its own integral RFI filter, and I have tried 
> adding a choke to the power cord and an additional one to the video 
> cable, but to no avail.
>
> Any ideas?
>
> Alan AB2OS






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