[time-nuts] HP 58516A GPS distribution amplifier information - Thank you ...

[bg at lysator.liu.se]

Hi,

SMC connectors is available over the desk in my hometown - which is a
fairly remote part of our large globe. Price is the same range as
SMA-connectors. 5 sec on Xbay finds 4 connectors and shipping for $15.

How do you connect a single Bias-T to give DC both to splitter and antenna?

--

    Björn

> Hi Claude,
>
> since the SMC jack is also DC-connected to the antenna output (through an
> inductor) to power the antenna, the unit also works well if you feed 4V to
> 5V  into the unit through the antenna port!
>
> That can be done using an L-band-capable standard Bias-T, and  then
> leaving
> the SMC connector open. You may find a Bias-t more easily than  an SMC
> cable.
>
> BTW: if you do it that way, the upper limit on the voltage is limited by
> the internal Linear Technology voltage regulator, so you can go way above
> 5V
> without a problem.
>
> The unit shouldn't consume more than 25mA or so that way...
>
> Bye,
> Said
>
>
> In a message dated 1/27/2010 16:51:28 Pacific Standard Time, va2hdd at aei.ca
> writes:
>
> Hello  !
>
> I got my unit from a local supplier, it was unused but lacked the  data,
> so thanks to Bjorn (I hope I dindn't mess up his name too much !)  for
> the download link.
>
> My unit has option 05 "external DC  power".
>
> So far I had no luck in finding an adapter at a decent  price.
>
> I would rather not open the unit, so if Bob or Magnus would  accept
> selling what they have on hand, I would be  interested.
>
> Thanks  !
>
> Claude
>
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