[RFI] Monitor RFI

[kd4e]

Jim Brown wrote:
Do the Dells use 12VDC from the wall warts or some
other voltage?

Perhaps a battery source with a trickle charger
would solve the wall wart noise problem?

> I have three 20" Dell LCD's, two of which are the same model. In fact, we now 
> have no CRT monitors. All use wall warts. I have a lot of noise at my Chicago 
> QTH, but I've never been able blame any of it on these monitors. If this QTH 
> had a lot less noise I might start hearing them. I agree that problems, if 
> there are any, are likely to be from the power supply. Proper ferrite chokes 
> could kill the part of that noise radiated on the 120V and low voltage cables. 


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