Bob Tellefsen [EMAIL PROTECTED] writes:
I built the one from Sam Ulbing, N4UAU. It was written up in QST
as My All-Purpose Voltage Booster. He sells the kit for a very
reasonable price. You can find him on the web under his call.
I've not having any luck finding Sam's site with Google,
Vivisimo.com usually works a lot better for me as a search engine.
Plugged it in there and it came back with N4UAU's home page which is down
and this link straight to details of the power supply:
http://tinyurl.com/5wjrh
Ron AC7AC
-Original Message-
Bob Tellefsen [EMAIL
Well, DANG! If I'd finish a message before hitting SEND it'd help.
Since N4UAU's site is down, you can get the schematic and lots of info (a
LOT of info if you speak French) here:
http://tinyurl.com/5f943
It's the complete construction info in French but the schematic is in
English.
Also,
Sam can be reached at [EMAIL PROTECTED] or you can find him any morning at 0700
Eastern on 7050 - Waterway CW Net.
Paul K1PT
- Original Message -
From: Ron D'Eau Claire [EMAIL PROTECTED]
To: Elecraft@mailman.qth.net
Sent: Sunday, August 29, 2004 2:59 PM
Subject: RE: [Elecraft] RF Hash
BE VERY CAREFUL DOING THIS!
This advice is specific to a single product form one manufacturer. Each
laptop manufacturer has different battery maintenance circuitry, and
they operate off different voltages, usually NOT 13.8V! Input voltages
tend to vary between 12 v and 30 v depending
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