Corect! However you du use some forced air cooling ... 2 Fans of 145CFM will
do the trik :)
But this was not what the gentlemen asked :)
Alex
> -----Original Message-----
> From: 2 [mailto:2@vc.net]
> Sent: Wednesday, July 17, 2002 10:43 AM
> To: alex; Mike Krzystyniak; AMPS
> Subject: RE: [Amps] KW Linear for FT-817
>
>
>
>
> >
> >If you use two MRF157 transistors you can get 1,5KW SSB with only 25W of
> >drive. And you get the amp in a 11/4/7 inches box :)
> >
> ** A 1500W-out transistor HF linear amplifier produces c. 1600w-max of
> heat. A heat sink to remove this amount of heat is somewhat :) larger
> than 11" x 7" x 4".
>
> cheers, Alex
> >
> >
> >
> >
> >
> >
> >
> >> -----Original Message-----
> >> From: amps-admin@contesting.com [mailto:amps-admin@contesting.com]On
> >> Behalf Of Mike Krzystyniak
> >> Sent: Wednesday, July 17, 2002 1:02 AM
> >> To: amps@contesting.com
> >> Subject: [Amps] KW Linear for FT-817
> >>
> >>
> >> I'm researching an amp project for a friend. He wants a legal
> >> limit or near
> >> legal limit amp that can be driven from a Yaesu FT-817. It's
> >> been 25 years
> >> since I rolled and amp so I thought I'd ask the gang here. Does
> >> anyone have
> >> a suggestion for a tube or pair of tubes that when driven with 5
> >> watts will
> >> run up to a KW out?
> >>
> >> Thanks... Mike K9MK/5
> >>
> >>
> >>
> >> _______________________________________________
> >> Amps mailing list
> >> Amps@contesting.com
> >> http://lists.contesting.com/mailman/listinfo/amps
> >>
> >
> >_______________________________________________
> >Amps mailing list
> >Amps@contesting.com
> >http://lists.contesting.com/mailman/listinfo/amps
> >
>
>
> - R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K,
> www.vcnet.com/measures.
> end
>
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