[CQ-Contest] Quiet Monitor

Michael Dinkelman mwdink at eskimo.com
Sat Feb 24 22:48:01 EST 2007

Which brings up this question...

A few years ago, we were all dreading the "plasma" TV
problem. They were quite noisy and many a horror story
was related here on this reflector. Plasma's haven't gone
away (in fact they seem to be very popularity in the
home TV market) but the horror stories seem to have
disappeared. Did the manufacturers do their homework
or do I still need to dread the possibility of a
neighbor getting one someday?

dink, n7wa

Jukka Klemola wrote:
> ...
>> I just purchased two ... LCD flat screen monitors ... Price after
> rebate >was only $129.00.  
>> This monitor  is very quiet from an RF perspective 
>> (Radios are ...)... Resolution is outstanding!
> ... 
>> Paul, K5AF
> Hello,
> In general, all flat screen monitors are quiet.
> Cathode ray tubes have much different characteristics and are more
> likely to emit RF energy that is high enough to really disturb nearby
> short wave reception.
> A similar change of technology case is VCR vs. DVD.
> VCRs use very sensitive tape reading circuitry at 0-5MHz region and are
> getting QRM very easily from a nearby transmitter. DVDs are nearly
> immune.
> Just about no matter how we look at these developments:
> Technology develops into a better direction!
> 73,
> Jukka OH6Li
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