[AMRadio] Ferroresonant transformer revisited


Jim Candela jcandela at prodigy.net
Wed May 10 15:24:04 EDT 2006


Yea right! You would still run < 100 watts RF output
to keep the neighbors happy! Hmmm, power input 150
watts + plus 315 watts filament for 100 watts output.
Isn't that about 22% efficient? :-)

Jim

--- W5OMR/Geoff <w5omr at satx.rr.com> wrote:

> John E. Coleman (ARS WA5BXO) wrote:
> 
> >I'm sure you realize that a pair of those tubes is
> capable of up to 3600
> >watts plate input and 2700 watts output with a PEP
> of go knows where in
> >class C.  But with their 900 watts plate
> dissipation capability, they would
> >make a cool linear. Just drive the grids with a 50
> ohm load on it.  If you
> >do that instead of GG, I would still neutralize
> some how.
> >
> >John
> >
> 
> Wish I still had three of 'em, and that Sola CVT
> which was 7.5v @ 42 Amps.
> 
> 3 of 'em, with 3kV DC on 'em, and raise the Q in the
> tank... a linear 
> for -any- mode, at the 'legal limit'.
> 
> problem with that is, winding a filament choke that
> big.
> 
> --
> 73 = Best Regards,
> -Geoff/W5OMR
> 
>
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