In article <y2ahaj1pe76.fsf at cartman.at.offog.org>,
Adam Sampson <ats at offog.org> writes:
Richard <legalize at xmission.com> writes:
Most BNCs
can be sorted into 50 and 75 Ohm by looking to see if there
is air around the female end.
Which one has the air?
75 ohm BNCs, because they have a thinner dielectric around the centre
pin of the female. Here's a selection of male and female BNCs from my
junk box for comparison:
http://offog.org/stuff/bncs.jpg
I confess I find it hard to differentiate between the examples on the
far ends. The ones in the middle are easier to differentiate.
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