At 09:54 AM 11/20/2005, wc6w@juno.com wrote:
>Hi Bill,
> Item #1 is easy. Get a surplus 48V switching power supply from
> the telecom world.
>
> My best suggestion for #2 is a dual pi-net. 50 ohms to 500-1000
> ohms back to 25-100 ohms. This provides both matching & harmonic
> suppression. Two switched coils, 3 (small) vac. variables, plus
> some ceramic padders for 80 & 160. Physically about 6" x 7" x 12"
> including motor drives for the caps & 10 position bandswitch.
>
>73 & Good morning,
> Marv WC6W
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Sounds good. I almost wish I hadn't started the 8877 project but it's
too far along to stop now. :-)
Where does one find the surplus telecom supplies? Can you suggest a
manufacturer of new ones?
73, Bill W6WRT
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