[time-nuts] HP 5370B low frequency modulation

Chuck Harris cfharris at erols.com
Sat Jul 28 10:26:40 EDT 2007

Didier Juges wrote:
> ); SAEximRunCond expanded to false
> Errors-To: time-nuts-bounces+cfharris=erols.com+cfharris=erols.com at febo.com
> Of course, any method is only as good as it is implemented. Crimping gets
> rid of a number of chemistry problems, and creates few problems in return.
> One problem with crimping coax cables is that crimping the braid is usually
> done against the plastic (term used generically) insulation between the
> center conductor and the braid.

Not in my experience!  The coax is stripped in a 1/2,1/4,1/8 pattern like


The center conductor is crimped only to the "CCCC" bare center wire.
There is an inner metal sleeve that slips between the shield and
the center insulation.
There is a metal crimp sleeve that slips over the outer insulation
and the shield braid.

The half of the crimp sleeve that is away from the connector restrains
the outer insulation and acts as a strain relief

The half of the crimp sleeve that is close to the connector crimps the
bare shield against the inner metal sleeve forming the ground connection.


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