These units are from the medical industry.
They were used in a pulse mode thats why the heat sink is so small
RF Parts has broad banded transformers that should fit the bill for this
board layout.
Norm N8NH
At 01:25 PM 3/8/03 -0600, you wrote:
> > The bad news is
> >
> > Transformers fall off past 20 meters. Need wider band transformers if you
> > want 10M
> > No output filters
>
>I have played with several 1 kw plus SS RF generators. I have found that
>the transformers are all centered around 13.5 mhz, and very narrow-banded
>as Norm says. With a few mods, the power supplies are usually robust enough
>to do 1.5 kw on 20 meters, but the other bands are questionable depending
>upon the nature of the particular beast you get your hands on. Most are rated
>at 1-1.2 kw continuous CW commercial use. Of course, you will need an output
>filter and T-R relays.
>
>(((73)))
>Phil, K5PC
>
>
>
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