[Scan-DC] LCD Monitor Question

Robert W. Fisher rwfisher at mindspring.com
Fri Feb 25 16:13:56 EST 2005


While we're on the topic:

I  get a lot of interference from what seems to be my laptop's HD and fan.  I've got RG6U connecting my radio to a discone in the attic, and when I unplug the coax the noise goes away....

Any thoughts on how to reduce RFI from the computer itself?  Should I ground the chassis to the same ground as my antenna?

Thanks!

Robert F

-----Original Message-----
From: Chris Smolinski <csmolinski at blackcatsystems.com>
Sent: Feb 25, 2005 1:50 PM
To: Scan-DC at mailman.qth.net
Subject: Re: [Scan-DC] LCD Monitor Question

>My scanners get killed in the 30 & 40's mhz freqs,& to alot of the 
>AM modes 225-400 mil-air freqs,if my CRT monitor is on.
>
>  From what I understand,if one get's a LCD monitor to replace a CRT 
>monitor then that's supposed to help with interference to a radio 
>caused by the p/c's CRT monitor.
>
>  However when looking at different LCD's I've noticed not all have a 
>digital jack & only have the usual VGA jack found on CRT monitors.
>
>  Does anyone know that in order to get the benefit of less 
>interference with a LCD monitor does it have to have a digital 
>connect jack,assuming,of course,the video card supports it, or will 
>a LCD with a standard VGA connect still provide less interference 
>than a CRT monitor?

I've found that even with the analog VGA connection, there is a 
virtually no noise with a LCD vs a CRT. I was having a terrible time 
with QRM from my 19" CRT, and switched to a 19" LCD. Now my QRM 
problems are gone. The LCD was one of the best radio related 
purchases I ever made.



-- 

---
Chris Smolinski
Black Cat Systems
http://www.blackcatsystems.com
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