[amsat-bb] Ssb2000 preamp power

[Mike Seguin]

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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-- 

73,
Mike, N1JEZ
"A closed mouth gathers no feet"