[Elecraft] K1 Power Supply Opinions

Bob Nielsen nielsen at oz.net
Sun Jun 5 11:22:02 EDT 2005


On Sat, 2005-06-04 at 23:39 -0700, David Toepfer wrote:
> QUESTION:
> 
> Does anyone prefer one of these 2 PS's as their K1 PS,
> or do you prefer a different power supply entirely?
> 
> CUP36-12-1
> 	<http://www.mtechnologies.com/cup/>
> 
> MFJ-4103
> 	<http://www.mfjenterprises.com/products.php?prodid=MFJ-4103>
> 

I have a MFJ-4103 and have used it extensively with my K2, including a
trip to Europe (it runs off 240 VAC as well, and uses a standard desktop
computer power cord).  There was no noticeable noise from the supply.  I
presume it would work fine with a K1 or KX-1, as well.

It would be nice if the output voltage were a bit higher so it would
charge the KBT2.  The manufacturer of the CUP36-12-1 makes a 15 volt
version <http://www.xpiqmedical.com/cup36.htm>, but that might be too
high, although the addition of a series diode should do the trick.

Bob, N7XY




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