Paul,
When Google isn't your friend (it rarely
is, the way Google harvests data), try
Bing. Here's a tinyurl for the bing search
results & you'll likely find what you want
here.
https://tinyurl.com/ya6ydwef
The ones at the top from Amazon are what I
used to replace SO239 connectors in a
remote antenna switch. I bought a 1" strip
of aluminum at the hardware store &
drilled a hole for the F81 & 4 attachment
screw holes. Cut it off when the holes
were drilled & it fit exactly and it was
real helpful.
Don't think that's what you're trying to
do. FWIW, Lee is always helpful with just
about any question, maybe he has a good
suggestion?
73,
Gary
KA1J
> Google isn't my friend today...
>
> I am looking for an isolated "F" barrel connector, commonly known as
> the F81. I am designing an aluminum interface plate for use with a
> Hi-Z 8-circle receive array. The panel will contain multiple F81
> barrel connectors that attach to the side of a large PVC tool box with
> gasket weather seal. An isolated F81 is probably a very odd item
> since it's a connector that's not normally used for baseband signal
> distribution like video and data.
>
> Each of the RG-6 lines run into a Hi-Z switched phasing box where each
> line is connected to a toroid transformer. As such, measuring
> resistance from the ground of one antenna port to another shows about
> 30 ohms resistance, necessitating isolation at my connection plate.
> The Hi-Z phasing box is made of PVC material and each antenna input is
> isolated by virtue of the plastic box.
>
> In the alternative, I could use isolated BNC or TNC connectors with F
> between-series adapters. Insulating each F81 with its own insolation
> strip is definitely not an option in this application. The last
> option is to run all lines directly into the large box and make a
> direct connection to the Hi-Z phasing unit. However, I would really
> like the option to disconnect on the *outside* of the box so that it
> can be quickly wheeled in for maintenance.
>
> Thoughts?
>
> Paul, W9AC
>
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