[RFI] LCD Monitor Interference
Pete Smith
n4zr at contesting.com
Mon Sep 6 18:06:48 EDT 2004
Very interesting -- my generic 15" LCD monitor is completely quiet at HF,
so far as I can tell, but today, I was listening to FM radio on a little
clock radio. We are in a fringe area, so the signal wasn't very strong,
but it was full quieting.
When I connected the signal cable to the monitor, semi-white-noise
interference could be heard on the radio. Power down the monitor or shut
down the computer, and the noise goes away, so I presume it is related to
the minotor itself, rather than to the power supply.
This really isn't a problem for me, since I don't operate VHF, but I
thought others might want to know. The monitor is a LiquidVideo, sold by
Circuit City stores.
73, Pete N4ZR
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