[TowerTalk] Monitor Wavies was:How to mount choke balun?

[FireBrick]

As the new LCD displays get cheaper and cheaper, we will not only enjoy the
increased useable screen size, but less noise in the radio and less
susceptibility to power transformers.


----- Original Message -----
From: "Ronald C. Barnes" <ka1kjz@home.com>
To: <w7why@harborside.com>; "TowerTalk" <towertalk@contesting.com>
Sent: Monday, November 19, 2001 8:19 PM
Subject: [TowerTalk] Monitor Wavies was:How to mount choke balun?


>
> That's a pretty common problem, regardless of what shields who, when and
> why...  power transformers in amps kick up alot of magnetism.  Just think
> of the Astron power supplies, when you turn them on the 12V transformer
> sucks the top of the case down (KERTHUNK!!).  Some astrons will actually
> jump around as the top buckles, springs back, buckles, and so on.
>
> My CABLE MODEM, with no supply inside, tugs the convergence off on the
side
> of the monitor it sits on.  At least your magnetic interference isn't so
> bad as to pull your convergence off and give you all sorts of pretty
rainbows.
>
> The only way to cure this is to move the monitor out of the way, or the
> amp...  You may try a piece of sheet steel, that might cut it down some,
> but spacing is always good.
>
> Ron :)
>
>
> At 02:44 AM 11/18/01 +0000, Tom Osborne wrote:
>
>
>
> >Tom Rauch wrote:
> >
> > > Aluminum is a very effective shield if it is thicker than a few >skin
> > depths.
> >
> >Hi Tom, et al.
> >
> >I have my computer monitor setting just above my amplifier, and
> >when I turn the amp on, I can see the 60 cycle vibrations on the
> >screen.  Somehow the power transformer is interfering with the
> >monitor so guess the magnetic field must be getting through the
> >case somehow.  73
> >Tom W7WHY
> >
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> Trylon Titan towers, coax, hardline and more. Also check out our self
> supporting towers up to 100 feet for under $1500!!
http://www.anwireless.com
>
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List Sponsored by AN Wireless:  AN Wireless handles Rohn tower systems,
Trylon Titan towers, coax, hardline and more. Also check out our self
supporting towers up to 100 feet for under $1500!!  http://www.anwireless.com

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