[time-nuts] GPS active antenna delay ?

[Hal Murray]

jra at febo.com said:
> OK, so I had an HP 58535A two-port GPS splitter handy and put it on the
> VNA.  It clearly has a filter of some sort, as shown by the S21  frequency
> response.  The delay at the center of the passband is about  21ns, and it
> increases to about 26ns at the edges. 

Thanks.

It seems a bit strange that HP didn't mention the delay.  That part seems 
likely to be used with their GPS gear that is setup to compensate for cable 
delays.


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