[time-nuts] [OT] Why did HP use a non standard connector on the 8411 Converter

Brooke Clarke brooke at pacific.net
Tue Sep 11 22:32:46 EDT 2007

Thanks John:

Makes sense.

Have Fun,

Brooke Clarke

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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