[time-nuts] Schematic and BOM

Bob Camp lists at rtty.us
Sat Mar 20 15:37:36 UTC 2010


Hi

Can we all come live at your house and play with your toys?

Bob


On Mar 20, 2010, at 10:06 AM, Magnus Danielson wrote:

> 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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