[time-nuts] Schematic and BOM

Magnus Danielson magnus at rubidium.dyndns.org
Sat Mar 20 14:06:43 UTC 2010


Tom Van Baak wrote:
> Hi David,
> 
> Thanks for the detailed comments. I understand better
> how the two boards differ now. You did a fine job. And
> thanks for making it available to the group, with good
> documentation and all.
> 
> One comment in the use of microcontrollers -- a reason
> I (and many others) have used them for timing projects
> is because they are totally synchronous. All output pins
> are clocked from the one input clock. In this respect they
> perform no differently than a synchronous counter.
> 
> At some point I'll re-run tempco and jitter measurements
> of the dividers and 1PPS distribution amps I have here.
> Last time I used a 5370B and a SR620. This time I'd like
> to try a Wavecrest. If someone on the list has done this
> already can you let me know?

I have HP5370B, SR-620, DTS-2070, CNT-90... among others what do you need?

Should I do some test on my assembled TADD-2 divider?

Cheers,
Magnus




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