[Antennas] COAX Connector insertion losses
A10382
[email protected]
Tue, 23 Apr 2002 23:16:44 -0400
Below listed e-message did the e-bounce thing.. Apologies if it reached you
twice
73, Frank
-
----- Original Message -----
Sent: Tuesday, April 23, 2002 8:57 PM
Subject: Re: [Antennas] COAX Connector insertion losses
> Here's the numbers from Amphenol engineering. Their BNC & N connector
> number is in line with three other manufacturers,
>
> ----start from Amphenol Engineering----
> We don't have a readily available insertion loss chart at this time. We
are
> working on updating our web site to have product family pages (BNC, TNC,
N,
> etc.) that will contain this info. For now, here is quick overview. I
hope
> this answers your question:
>
> BNC 0.2 dB maximum at 3 GHz
> N 0.15 dB maximum at 10 GHz
> UHF Insertion loss for this connector series is inconsequential to the
> performance of the UHF connector since it is such a low-performing
connector
> (DC-300 MHz)
>
> --end from Amphenol Engineering---
>
> The only addition I have at this time is about BNC. Every time I need a
> barrel or cable end connector in a hurry, I go fishing in my junk first.
> BNC comes, currently, in 75 and 50 ohm. There is still a lot of junk at
> swaps that is really old 91 ohm pre-Ethernet networking BNC. I found
quite
> a few 91 ohm terminators and barrels in my stuff. I believe the
difference
> is in the ratio of conductor to shield diameter and the dialectric
material,
> I wonder what the effect are of mixing the 91 and 50 ohm stuff to cobble
up
> a quick connection to test someone's field day tower ?
>
> <<--- END OF MESSAGE --->>