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

[Wayne Burdick]

Thanks, Randy. This is even smaller than the MFJ-4103.

The web site indicates a noise problem without proper grounding. Have  
you found this to be an issue? They mention supplying a "2-pin"  
standard power connector, which is *not* what you want if you're  
trying to get a good common ground back to the AC jack. Is that a typo  
-- i.e., do they actually supply a 3-pin AC plug?

Thanks,
Wayne
N6KR

On Jul 4, 2011, at 3:00 PM, Randy Moore wrote:

> Wayne, I've had good luck with this:
>
> http://www.mtechnologies.com/cup/
>
> 73,
> Randy, KS4L
>
> On Jul 4, 2011, at 4:23 PM, Wayne Burdick <n6kr at elecraft.com> 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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