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I have a device with a two conductor cable that I need to interface to a signal conditioner with a BNC input (same as that on a standard oscilloscope). I would rather not use a hacky solution like a screw terminal to BNC adapter and directly terminate the cable with a male BNC plug.

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    \$\begingroup\$ BNC is designed for COAX cables which are two conductor (one of which is grounded). If your "two conductor" output isn't designed for a COAX cable/connection then I see no other solution than a "hacked" solution. Beware that the BNC input's shield is likely to be grounded, your device needs to be able to handle that. If not you might need two BNC inputs. \$\endgroup\$ – Bimpelrekkie Feb 20 at 9:19
  • \$\begingroup\$ One of the conductors carries a signal ground if that makes any difference. \$\endgroup\$ – Darren Mc Feb 20 at 9:36
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Ok, I now think I get a better understanding of what you need. A few vendors offer a pre-wired BNC which is mainly used as test leads. Digikey has something like it, but a simple "2 wire to bnc" google search will return a few hits.

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  • \$\begingroup\$ Not quite, I have a non COAX cable with two internal conductors that I want to put a bnc plug on the end of. \$\endgroup\$ – Darren Mc Feb 20 at 9:35
  • \$\begingroup\$ @DarrenMc I've updated my answer to reflect your clarification \$\endgroup\$ – Elmesito Feb 20 at 10:15
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    \$\begingroup\$ I don't see why you should even keep the "old answer" part since it's just wrong and will confuse anyone looking for the solution to the problem. Stack Exchange has a built-in edit history for those who are curious. \$\endgroup\$ – pipe Feb 20 at 12:04

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