[Lowfer] Current Fed Modification to G0MRF transmitter

[Warren K2ORS]

Dex,
       Thank you for the information and the picture!
73 Warren

  On 12/15/2012 4:23 PM, Dexter McIntyre W4DEX wrote:
> Warren K2ORS wrote:
>         Has anyone done this mod? Has anyone tried alternatives to the
> 12 strands of enamel wire?
>
> I did the mod and it made an amazing difference.  Can't remember what
> wire I used but it looks like Litz:
>
> https://dl.dropbox.com/u/15095569/w4dex/g0mrf_g0bmu_mod.jpg
>
> I think what I used was Litz removed for a dead UPS unit.
>
> Initially running 300 watts the core ran very warm.  After the mod it
> runs cool at 400 watts.  I have pushed it way over 500 watts and the amp
> still runs cool but that overloads my DC supply so I keep it at about
> 400 watts output.  The transformer does have some air flow around it
> coming from the FET heat sink cooling fan.
>
> Dex
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