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

Bob Nielsen n7xy at clearwire.net
Mon Jul 4 17:46:38 EDT 2011


I have used a MFJ-4103 with my K2 with good results.  It's close to your desired form factor and was quiet on 20 meters (I haven't tried it on other bands).  I also used it on 220V/50Hz in EU.

Bob, N7XY

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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