[amsat-bb] Ssb2000 preamp power

Mark Johns, K0JM k0jm.mark at gmail.com
Fri Jul 3 17:52:23 UTC 2020


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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