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From: "Brian Reay"
Subject: Re: How to check for a 50 or 75 ohm connector
Date: Sun, 22 Dec 2002 18:45:21 -0000
References: <3E053579.AFE0BFDF@sympatico.ca> <3keudKjAZXB+Ewcs@newbrain.demon.co.uk> <firstname.lastname@example.org> <1fzeD1n3UdB+Ewe7@newbrain.demon.co.uk>
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"DarkMatter" wrote in message
> On Sun, 22 Dec 2002 15:07:35 +0000, Ian Walker Gave
> This is because a BNC connector has a physical spec on the mating
> side that is impedance independent.
How is this achieved? The mating part is coaxial so how is it made
You can see the mismatch if you have a 75 ohm connector in a 50 ohm system
with a good network analyser-- even if the cable is correct.
As regards the original question, I'd suspect the bag to be full of 50 ohm
parts as many are coming onto the surplus market as LANs are changed to Cat5
(or 6) from the old coax based systems.
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