[Elecraft] Reliable DC Power Supply for K3/P3

Don Wilhelm w3fpr at embarqmail.com
Tue Nov 19 10:51:16 EST 2013


Bob,

The old reliable Astron 35 is a very good linear supply - I do not have 
the metered version, and mine sits quietly on the floor under the desk, 
no need to look at meters there.

I also have an Astron SS30 which does a great job at the workbench. 
Again no need for meters, and even though a switcher, I have not found 
any switching noise created in the ham bands.

As backups, I have an MFJ 25 amp switching supply and an Alinco 340M 
linear - the advantages of those supplies is that the output voltage is 
front panel adjustable.  No noticeable noise from the switcher and the 
current is more than sufficient for the K3/100.

If you have other accessories, you might want to look at a 35 amp 
supply, but 20 or 25 amps is all that is needed for the K3.

73,
Don W3FPR

On 11/19/2013 9:35 AM, Robert Nobis wrote:
> I m about ready to place an order for a K3 and P3, and wonder if there are
> recommendations on a reliable DC power supply for the Elecraft 100-W
> transceiver.
>
> 73,
>
> Bob  - N7RJN
>
>
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