Jones plugs, or similar sorts of plugs

Gordon JC Pearce gordonjcp at gjcp.net
Mon May 25 14:29:26 CDT 2009


On Mon, 2009-05-25 at 18:57 +0100, Tony Duell wrote:
> > 
> > N connectors suffer a fatal flaw - use the wrong plug in the wrong
> > socket, and you are screwed. Mixing 50 and 75 Ohm Ns will either
> > result in a crummy connection or a possibly ruined part.
> 
> I asusme this is due to a different diameter central pin -- small pin in 
> large socket causes a bad connection, large pin in small socket wrecks th 
> socket.

I don't know about the pin diameter, but 50-ohm BNC plugs have a plastic
bush inside the outer ring and 75-ohm plugs don't.  I don't think a
50-ohm plug will even fit a 75-ohm socket.

Gordon




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