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Re: Powering a preamp



At 14:44 5/21/01 -0500, Bill Howell wrote:

>My Meyers BBQ and barefoot TranSystem was useable (made 4 QSO's so far), 
>but the reception _was_ pretty noisy, partly perhaps because I was looking 
>through some very leafy trees.
>
>I have a Conifer "10 db" preamp which I have yet to put in line (I did try 
>it on the bench w/ a Drake, so I know it functions),
>
>The Conifer has two N connectors for 2.4 gHz in/out, and a  neet scheme 
>for power: it has
>has an F connector to feed the shack, and an F pigtail that connects to 
>your downconverter.
>Apparently this "F" scheme "picks off" the DC power for preamp use.


Don't understand the above "has an F  connector to feed the shack".  Does 
this mean
you're running RG-6 or some other coax up to the preamp to the shack?

Maybe a small drawing would help.

de Bill, N4DH


>I'm wondering if this scheme could be applied to the DEM 13ULNA (add 2 F 
>connectors and DC "pick off" circuitry).
>
>The advantage would seem to be: no separate DC line to run to the preamp.
>
>--
>
>Bill Howell
>University of Texas at Austin
>College of Fine Arts
>Office of Computing Technologies
>N5ALO  Amsat 32459  QRP-L 415
>
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