[Elecraft] BNCs

Rick M0LEP m0lep at chocky.demon.co.uk
Mon Oct 13 13:34:15 EDT 2014


On Mon 13 Oct Jim Brown wrote:
> the o.d. of the male tip. Although I have not studied the mechanical 
> Standard for 75 ohm BNCs, I would VERY surprised if the dimensions of 
> a proper 75 ohm connector would prevent it from mating with a proper 
> 50 ohm connector. Have you studied such a spec?  I'm quite active in 
> international Standards work (with the AES) and that sort of 
> incompatibility is something we make certain to avoid!

It's certainly possible, given a 75 Ohm male connector and a 50 Ohn 
female connector, to end up without good electrical contact on the 
central conductor, especially if you're dealing with cheap plugs and 
sockets. Been there, suffered the consequences.

-- 
73, Rick, M0LEP   (KX3 #3281)



More information about the Elecraft mailing list