[time-nuts] [OT] Why did HP use a non standard connector on the 8411 Converter
johnday at wordsnimages.com
Tue Sep 11 22:48:03 EDT 2007
At 10:32 PM 9/11/2007, you wrote:
>); SAEximRunCond expanded to false
>Errors-To: time-nuts-bounces+johnday=wordsnimages.com at febo.com RETRY
Until you have a problem on an 8411A or a 5356 convertor!
>John Day wrote:
> > At 02:40 PM 9/11/2007, you wrote:
> >>Is there a reason to not use the standard "D" series connectors
> that can have
> >>coax connectors along with the normal contact pins?
> > Poor contact and connector life, imprecise alignment, lack of
> > precisely controlled shielding. The D connectors are not intended to
> > be routinely mated/unmated and become quite erratic after a few
> > cycles (usually 50 or so as I recall) even in a lab environment. They
> > also have fairly significant frequency limitations, but I cannot
> > recall exactly what they are.
> > John
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