[Elecraft] Wallwart for K1

Don Wilhelm w3fpr at embarqmail.com
Sun Nov 13 13:09:59 EST 2011


Dave,

Be careful with wallwarts - many of them are unregulated and the output 
voltage will soar with low current draw.  I would suggest a 13.8 volt 3 
to 6 amp power supply instead of a wallwart - consider this one from 
MPJA 
http://www.mpja.com/138VDC-6A-Benchtop-Power-Supply/productinfo/9323+PS/.

An alternative would be a gel cell connected to a smartcharger.  The 
battery will stay topped off and the smartcharger can stay connected to 
the battery indefinitely.

73,
Don W3FPR

On 11/13/2011 11:58 AM, David & Linda Kerl wrote:
> Hello all,
>
> This is my first posting to the reflector, after purchasing a used K1-4.
> First let me say how impressed I am with the receiver. Simply amazing!
> I am now in the process of learning all abt it because in January, I have the
> oppertunity to operate portable KH6.
>
> My question is, can anyone recommend a wallwart to use with the K. One that is
> free of birdies. I would prefer a linear supply, but if there is a switcher out
> there that is lnown to be clean, Im willing to use one.
> Many thanks and hope to work many Q's as N9HF/KH6 as I can.
>
>


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