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Re: [CQ-Contest] Quiet Monitor

To: Cq-Contest <cq-contest@contesting.com>
Subject: Re: [CQ-Contest] Quiet Monitor
From: N6KI Dennis Vernacchia <n6ki_73@sbcglobal.net>
Date: Sat, 24 Feb 2007 17:02:41 -0800
List-post: <mailto:cq-contest@contesting.com>
Good Info, but although the LCD Flat screen monitors are inherently quiet
sometimes their power supplies, usually switching type, are not !!!!

73, Dennis N6KI
Sandy Eggo



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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>   
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