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

Wayne Burdick n6kr at elecraft.com
Mon Jul 4 20:51:52 EDT 2011


Someone else mentioned the same issue. I asked if he had tried RF  
chokes, and he hadn't; he just put them on, and the noise disappeared.

Wayne

On Jul 4, 2011, at 5:34 PM, Phil & Debbie Salas wrote:

> Wayne - I originally bought a CUP36 a number of years ago to use  
> with my
> FT-817.  You DO have to purchase an AC cord (it doesn't come with  
> one) - and
> it is a 2-pin power cord.  I found that the CUP36 was very RF noisy -
> particularly from 160-40 meters.  I wound up buying a MFJ-4103 which  
> I found
> to be RF quiet.
>
> Phil - AD5X
>
> "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"
>
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