On Mon, 2006-09-25 at 18:42, Mark Beckwith wrote:
> > One problem with the single-supply design is that a single
> > failure puts *all* bands on low power, not just one band.
>
> FWIW I have never heard of a contest failure in a station that uses one
> humongous HV supply and separate finals. I think those supplies are
> generally way over-built.
I'm sure they are indeed quite reliable. *Some* things will happen to
even the best-built supply. BC stations usually address this with a
combination of redundancy and conservative rating of components, and
that's not a bad path to follow for the serious amateur station.
> > if you have a failure on one supply/band you can use an
> > off-the-shelf commercial amp to fill in.
>
> I always wondered why some of those stations had L4Bs and SB220s between the
> rig and the final. Now I understand....
I hope I'm misunderstanding this paragraph, or that my sarcasm filter is
broken...
--
Doug Smith W9WI
Pleasant View (Nashville), TN EM66
http://www.w9wi.com
_______________________________________________
CQ-Contest mailing list
CQ-Contest@contesting.com
http://lists.contesting.com/mailman/listinfo/cq-contest
|