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Re: [RFI] Car laptop adaptors

To: Mel Crichton <kj9c@iquest.net>
Subject: Re: [RFI] Car laptop adaptors
From: kd4e <doc@kd4e.com>
Reply-to: doc@kd4e.com
Date: Sat, 10 Nov 2007 12:31:37 -0500
List-post: <mailto:rfi@contesting.com>
Mel Crichton wrote:Which natively 12VDC laptop did you
buy, please?

Will the battery charge from 12VDC or do you have to do
that via the ac adapter and an inverter or at home?

How's the RFI from the laptop itself?

> I can tell you one to avoid: the universal adapter with numerous
> plugs, the one I bought off Internet is Espow brand... about 20-25
> bucks on E-Bay... RFI even with ignition off. I tried the small
> TrippLite inverter and managed to get it failrly quiet, but its noise
> increased ith ignition on.
> NN9K tells me that the really expensive one (about 150 bucks) made by
> Lind Electronics is quiet, but I chose to buy a "12 volt" laptop
> instead.
> Just for fun, did you try your laptop on a 12 volt DC supply? Many
> WILL work, even though the battery and AC supply are over 14 volts. I
> soldered a cigarette lighter plug in parallel with the 19volt DC from
> the AC supply, for a temporary fix. Will have a dedicated 12 volt
> AROUND the ignition switch in the future.
> Mel KJ9C


Thanks! & 73, doc, KD4E
Personal: http://bibleseven.com/kd4e.html
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