N power connector rating?
On Jan 10, 10:29*pm, Fred McKenzie wrote:
In article , ml
wrote:
The other * thing *i pondered * is that it seems * *the don't *make *
Pl259/so239 connectors for hardline, *so what do guys use *typically for *
higher *power * DIN?
ML-
I would expect hardline manufacturers to use a standard connector
intended for the power and frequency involved, but designed to fit the
end of their cable.
When hardline is chosen because of low loss rather than needing high
power, it is often used for long runs with a short flexible cable at the
end to connect to equipment. *In this application, use of type N
connectors is common, with a female connector custom made to fit the
hardline.
You can get adapters for PL259/SO239, but those are lousy connectors for
RF. *Their impedance is not constant from one end to the other!
Fred
K4DII
What I use on 7/8 hardline is a copper reducer with a barrel connecter
soldered
into one end and then I screw the combination over the hard line. Now
you have an output from the hardline that can fit most things . One
time I filled the copper reducer with dielectric before I inserted the
barrel connecter but could see no difference using max power.
Certainly a lot cheaper
than Andrews connectors and if the coax route is not ideal it is easy
and inexpensive to add flexible lengths at tight corners, such as
emerging from underground piping. Hardline gets extremely rigid and
the outer insulation is subject to cracking in the winter time which
is when I seem to have to work on things.
Art
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