[amsat-bb] Ssb2000 preamp power

[Richard Lawn]

Need to verify there really is 12 going down coax. Menu item is set
correctly. Not using any external amp. I’ll get back when I verify the coax
voltage

On Fri, Jul 3, 2020 at 2:24 PM Mike Seguin <n1jez at burlingtontelecom.net>
wrote:

> Another question - do you have a brick amplifier inline? If yes, make
> sure the amp passes DC. Some - like Teletec - are DC blocked.
>
> On 7/3/2020 1:52 PM, Mark Johns, K0JM via AMSAT-BB wrote:
> > Have you verified that the 847 is actually sending the 12v up the coax?
> If
> > so, then I'd look for an open RF choke in the pre-amp.
> > --
> > Mark D. Johns, KØJM
> > AMSAT Ambassador & News Service Editor
> > Brooklyn Park, MN USA   EN35hd
> > -----------------------------------------------
> > "Heaven goes by favor; if it went by merit,
> >     you would stay out and your dog would go in."
> >      ---Mark Twain
> >
> >
> > On Fri, Jul 3, 2020 at 12:47 PM Richard Lawn via AMSAT-BB <
> > amsat-bb at amsat.org> wrote:
> >
> >> I have an older orange case SSB2000 model preamp. I used to use it for
> EME
> >> but replaced it and now want to use it in another installation for
> >> satellites. I do not however want to power it separately and want to
> send
> >> power down coax with ft847. This does not seem to work and I’m
> wondering if
> >> I need to make some sort of internal change to the preamp. The manual
> >> suggests I can power it through the coax. Any thoughts?
> >>
> >> Rick, W2JAZ
> >> --
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> > _______________________________________________
> > Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
> > to all interested persons worldwide without requiring membership.
> Opinions expressed
> > are solely those of the author, and do not reflect the official views of
> AMSAT-NA.
> > Not an AMSAT-NA member? Join now to support the amateur satellite
> program!
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> >
>
> --
>
> 73,
> Mike, N1JEZ
> "A closed mouth gathers no feet"
>
-- 
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