[Elecraft] Power supply for 220 VAC

[Evan Roberts]

   I  used  a  Samlex  1223 in S Korea for a year.  Worked great on 220V.
   Just  disconnect  the yellow jumper.  Instructions come with the power
   supply.  Never noticed any RF or other noise.

   Evan, W5IQS
       ______________________________________________________________

     From:  Tom Hammond <n0ss at earthlink.net>
     To:  Ken         Alexander        <k.alexander at rogers.com>,Elecraft
     <elecraft at mailman.qth.net>
     Subject:  Re: [Elecraft] Power supply for 220 VAC
     Date:  Wed, 10 May 2006 04:56:48 -0500
     >Ken:
     >
     >The Samlex 1223 switching P/S is 'jumperable' for 120/220 VAC and
     >it's  not  terribly noisy (RF-wise). In fact, many users report no
     RFI
     >from these supplies.
     >
     >If you do notice some RFI, I have some info on added filtering for
     >this supply available on my website at www.n0ss.net
     >
     >I have one of these supplies and have been quite pleased with its
     >performance.
     >
     >73,
     >
     >Tom Hammond    N0SS
     >
     >At 09:47 PM 5/9/2006, Ken Alexander wrote:
     >>I'm planning a short DXpedition to a 220V country.
     >>Does anyone know of a quiet switching power supply
     >>that would run on 120V 60Hz and on 220V 50Hz?
     >>
     >>I'm leaning towards a QRP operation, requiring a
     >>smaller supply, approx 5A at 12V output.  However,
     >>since this is likely to be a once in a lifetime deal I
     >>might take a 100W transceiver and would then need a
     >>larger supply, say 40A at 12V.
     >>
     >>Any guidance would be appreciated.  Thanks in advance.
     >>
     >>Ken Alexander
     >>VE3HLS
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