[time-nuts] BNC question

paul swed paulswedb at gmail.com
Sun Apr 10 00:00:05 UTC 2011


should work just fine as long as the connectors a good fit. Suspect it is.

On Sat, Apr 9, 2011 at 7:51 PM, Mike S <mikes at flatsurface.com> wrote:

> At 06:53 PM 4/9/2011, Joseph Gray wrote...
>
>  I have an old Arcnet hub that I want to salvage the isolated BNC
>> connectors from. Arcnet used 93 Ohm coax. I know that there are 50 Ohm
>> and 75 Ohm versions of BNC connectors, but the ones from the hub look
>> like a 50 Ohm BNC to me.
>>
>
> The ARCNET spec states: "The MIC for use with coaxial cable is a
> conventional BNC per MIL-STD-348A." If you look at that spec, it's for 50
> Ohm connectors. 75 Ohm ones don't have the insulator around the center
> socket. Since ARCNET only ran at 2.5 MHz, the mismatch apparently didn't
> matter.
>
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