[Elecraft] Re: Power supply for K2/100

Sat Sep 6 16:38:01 2003

Hi

Not quite a kit but the MFJ-4125 25 amp switching power supply will fit =
into the Elecraft EC-2 box with enough room for one of the 2.9 amp hour =
gel cells as well. You could even put a solar controller into the box as =
well. This would give you a QRO power supply when AC power is available =
with a QRP battery back up if the power fails and it would all match the =
K2.=20

Don Brown

  ----- Original Message -----=20
  From: John A. Magliacane=20
  To: [email protected]=20
  Sent: Saturday, September 06, 2003 3:02 PM
  Subject: [Elecraft] Re: Power supply for K2/100

  How about an Elecraft power supply kit?  Seems like there might
  be enough interest in having one available for those of us who
  want a completely homebuilt HF station.

  Price should be comparable to an Astron.  The design could perhaps
  use a toroid power transformer so it can be placed close to the
  transceiver without generating VCO hum problems.  A "front firing"
  speaker (maybe driven by a 5-watt internal audio amplifier) might
  be nice.  :-)

  I would shy away from a switching design in case someone wants
  to use their Elecraft with an indoor loop antenna for 160-meter
  reception close to the rig and power supply.

  I'm currently using a homebrew power supply, but the power transformer
  (from an old 1949 Heathkit BE-1 battery eliminator) isn't really up
  to the task.  After building a K2/100, the thought of having to
  PURCHASE a ready-made power supply simply does not appeal to me.

  Just a thought...

  73, de John, KD2BD

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