[Elecraft] Looking for miniature 14-V power supply for travel use

[Dick Dievendorff]

Maybe Gamma Research's HPS-1a at http://www.gammaresearch.net/hps-1a.html
will meet your needs.

It's 3.37" x 1.55 x 5.25",  specified to provide 5A continuous and 22A at a
25% duty cycle.  It weighs 1.25 pounds (which probably doesn't include the
line cord)

I have one for my K3, and it works acceptably on CW, but I wouldn't use it
for a RTTY contest.

I recall that it has about a 5 Farad output capacitance and the caps are
operated very close to their rated limit. My recollection may be fuzzy.

Their web site shows "temporarily out of stock" and to expect a delay after
placing an order.

Perhaps one of your employees might loan his if you can't get one in time.

73 de Dick, K6KR


On Jul 4, 2011, at 2:23 PM, Wayne Burdick wrote:

> I'm going to take a KX3 with me on vacation this summer, and I like to 
> travel light. I'll have internal batteries for field operation, but 
> for indoor use, I'm hoping to find a miniature power supply that meets 
> these criteria:
>
> - very small (say 4 x 3 x 1 inches)
> - light weight (less than 1 lb)
> - 2 A min. peak output current
> - 13 to 14 VDC output voltage
> - input AC voltage range of 100-130 V
> - low noise
>
> I'm sure it will have to be a switching supply. The question is 
> whether any exist with this form-factor that are also quiet from an RF 
> perspective.
>
> Anyone know of such a unit?
>
> 73,
> Wayne
> N6KR
>
>
>
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