[RFI] LCD Monitor RFI

Eric Gustafson guest account n7cl@mmsi.com
Mon, 19 Nov 2001 08:22:14 -0700 (MST)

Hi Pete,

I had a Compact Contura laptop with a very nice TFT active natrix
LCD display which was quite noisy at VHF (even running on its own
internal batteries) but never gave me any trouble at HF.  With
the laptop internal display active from anywhere in the house,
VHF and some UHF channels were not watchable unless they were
very strong nearby stations.

I'd take a portable radio that covers your frequencies of
interest to the store and check out anything I was going to buy.
If everyone did this, the suppliers might actually get the

Also, please be sure to let us know what you find out.

73, Eric  N7CL

>From: Pete Smith <n4zr@contesting.com>
>Date: Sat, 17 Nov 2001 09:04:53 -0500
>With the prices plummeting and Gateway standardizing on LCD monitors, it
>looks to me as if this may become an economical alternative within the next
>year.  My Sony Multiscan E-100 is horribly noisy, and I'm thinking about
>replacing it with an LCD because I've never heard of any reports of RFI
>from LCDs.  Is this right?  Anyone have a contrary experience, with a
>laptop for example?  Are the pure digital LCDs (which I guess require a
>special video card) to be avoided, or embraced, from this standpoint?
>73, Pete N4ZR