[R-390] Looking for a C adaptor

[W. Li]

There is even a cheaper solution to the Twin-Ax
antenna thread. In June 1999, Chuck Rippel posted a
simple connection in which he used a bit of bare wire
to ground the left hand (looking from the rear) pin
jack on the balanced antenna input connector to one of
the antenna relay mounting machine screws, and
connecting the right pin jack to the center conductor
of RG-58/U coax, whch was then terminated to a PL-259
connector through a 0.01ufd condenser.

I use BNC's, instead of SO-239's as a matter of
preference.

What I did was incorporate this setup into a small two
piece surplus aluminum Asante transceiver case 3" x
1.5" x 0.5" that can be had for 25 cents. The gutted
case was bolted to the rear chassis using two
exisiting antenna relay screws after filing a hole big
enough to pass the R-390A balanced antenna connector.
A female panel mount BNC connector was attached to one
end. 

The entire shielded assembly fits neatly under the lip
of the rear panel and the BNC line comes out against
the rear panel making a neat, inobstrusive, and
reversible addition.

W. Li
Mercer Island, WA


		
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