They specify 11-15V, that covers a lot of territory! Seems you could get a 12V 1A unregulated linear adapter and just verify that the no load voltage doesn't exceed 15V, or a 12V switcher which will be inherently regulated. It can't draw more than the 0.9A of a K3/10 on receive. If someone can post actual consumption, that would be nice. I don't see it in the manual.

73,
Josh W6XU


On 2/26/2013 11:22 AM, iain macdonnell - N6ML wrote:
Remember that the K3/0 is not a radio - it's just a ... "terminal device"?

I assume it has a voltage regulator inside, but maybe that's not a
valid assumption. We don't seem to have schematics for it....

73,

     ~iain / N6ML


On Tue, Feb 26, 2013 at 10:55 AM, Mike WA8BXN <hubb...@hotmail.com> wrote:

Well, it does need something special actually. An unregulated, unfiltered
wall wart would not work and potentially could damage the rig! I would look
for a small switching unit as they are generally both regulated and filtered
  What ever you do get, be sure to measure the voltage it puts out before you
connect it to the rig.

73 - Mike WA8BXN



-------Original Message-------

From: iain macdonnell - N6ML
Date: 02/26/13 13:41:42
To: Chris Tate - N6WM
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3/0 power

It shouldn't need anything special... use a multimeter to measure how
much current it's drawing from your Astron, and find a 12V wall-wart
rated for more than that.

73,

~iain / N6ML

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