[Top] [All Lists]

Re: [RFI] Keyboard RF Susceptibility

To: Michael Tope <W4EF@dellroy.com>
Subject: Re: [RFI] Keyboard RF Susceptibility
From: w9hak <w9hak@insightbb.com>
Date: Thu, 09 Aug 2007 13:48:57 -0500
List-post: <mailto:rfi@contesting.com>
Michael Tope wrote:
> I am trying to clean up a few problems at my station. Right now
> I can transmit on 160 meters at 1.5KW with the stereo turned 
> and the TV's on and I get no hint of RF interference. The video 
> display on my computer is clean, the internet doesn't get 
> blocked, and my mouse works fine. The one area where I do
> have trouble is my computer keyboard. It won't recognize button
> closures when I am transmitting until I drop my output power 
> down to around 300 watts. I've tried two (admittedly cheap) 
> keyboards and both of them exhibit this same RFI susceptibility 
> problem despite the fact that in both cases I had the cable 
> wrapped around a #31 ferrite core.  
> Any suggestions out there for a keyboard that might be more
> RFI proof than the ones I've tried so far (one was an $8 Inland
> brand and the other the OEM keyboard from my wife's 
> E-Machine)?
> Thanks,
> Mike W4EF.................................................
> _______________________________________________
> RFI mailing list
> RFI@contesting.com
> http://lists.contesting.com/mailman/listinfo/rfi
Try a wireless keyboard, try to borrow one instead of purchasing a unit.

Smith Bradford
RFI mailing list

<Prev in Thread] Current Thread [Next in Thread>