[time-nuts] Standards sought for immunity of shielded cablelinks to power-frequency ground loops

Scott Newell newell at cei.net
Thu Jan 8 15:07:45 EST 2009


At 01:59 PM 1/8/2009 , Poul-Henning Kamp wrote:
>In message <49665A6D.2030100 at xtra.co.nz>, Bruce Griffiths writes:
>
>>I have been unable to find a reference to triax consisting of 3
>>conductors within a shield, however such confusion is understandable
>>given the confusion over quadrax:-
>
>I have only ever seen it used for very old 3-electrode condenser
>microphones.

Doesn't Keithley use triax connectors on some of their high-impedance
instrumentation?

-- 
newell   N5TNL





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