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Re: [RFI] Types of flatscreen (Re: Plasma TVs

To: "Brendan Minish" <ei6iz.brendan@gmail.com>, "Peter Laws" <plaws@plaws.net>
Subject: Re: [RFI] Types of flatscreen (Re: Plasma TVs
From: "Edward Swynar" <gswynar@durham.net>
Date: Wed, 10 Nov 2010 15:57:33 -0500
List-post: <rfi@contesting.com">mailto:rfi@contesting.com>
Hi Everyone,

Well, I guess we can at least all take comfort in the fact that this is,
when everything is said & done, a "...throw away" society...

Sooner or later (probably sooner) these incidious devices will break down, &
since nobody fixes things anymore, it'll be into the landfill site with
them, & onto to the next latest-and-greatest-must-have consumer techno
toy...

Hopefully the next generation of "toy" will be more RFI-friendly!

~73~ de Eddy VE3CUI - VE3XZ


************************************

----- Original Message -----
From: "Brendan Minish" <ei6iz.brendan@gmail.com>
To: "Peter Laws" <plaws@plaws.net>
Cc: "RFI Reflector" <RFI@contesting.com>
Sent: Wednesday, November 10, 2010 1:44 PM
Subject: Re: [RFI] Types of flatscreen (Re: Plasma TVs


> On Wed, 2010-11-10 at 11:30 -0600, Peter Laws wrote:
> > On Tue, Nov 9, 2010 at 08:33, Jim Miller KG0KP
<JimMiller@stl-online.net> wrote:
> > > Anybody know if the newer Plasma TVs are as bad for RFI as the early
ones
> > > were supposed to have been?
>
> Plasma is notoriously bad for RFI.
> >From a consumer point of view it also has a fairly short lifespan at
> full brightness and are power hungry
>
> Some plasmas start off 'not too bad' from an RFI perspective but worsen
> with age, perhaps in part because the Display controller chips are
> increasing the drive current to compensate for display ageing
>
> I would certainly avoid plasma like the plague
>
> > There seem to be three types of flat-screen techonology out there,
> > LED, LCD, and Plasma.  Did I miss any?
>
> 'LED' TV's use LEDs as the back-light for the LCD display instead of CFL
> (florescent tube) lamps, is is more power efficient and some
> manufacturers also control the brightness of the LED's to match the
> scene on parts of the display which allows for a better contrast ratio
> (improved black)
> LED back-lighting should last much longer than CFL back-lights
>
> I recently bought a Panasonic HD LCD TV with LED back-lighting, the
> picture quality is superb, it's a good deal bigger than my old CRT TV,
> yet uses 1/3rd of the electricity and I have no RFI issues on any band
> from it.
>
>
> --
> 73
> Brendan EI6IZ
>
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>


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