[Gb-ccb] 17feb04 CCB telecon minutes

[Randy McCullough]

John Ford wrote:

>Richard Lacasse writes:
>
>  <snip>
>
>
> > time.  They maintain this phase relationship over time because they
> > are generated from the same source (site maser).  The computer can
> > command the FPGA cards to be synchronized by issuing a command
> > shortly after it detects a 1PPS interupt.
>
>I agree with Rich that this is by far the best method to use.  Forget
>about trying to run signals from one module to another.  Just
>re-derive the timing signals on each one from the 1 PPS and 10 MHz.
>Call one the master, and have it drive the switching signals.
>
>John
>_______________________________________________
>gb-ccb mailing list
>gb-ccb at listmgr.cv.nrao.edu
>http://listmgr.cv.nrao.edu/mailman/listinfo/gb-ccb
>
>  
>
John & Rich,

This is the approach that I attempted to describe during our telecon; 
however,
the explanations that you and Rich offer are much more eloquent! 

Randy