[time-nuts] lunatic fringe time standards

Eugen Leitl eugen at leitl.org
Thu Apr 15 07:42:00 EDT 2010


On Thu, Apr 15, 2010 at 07:30:27AM -0400, Bob Camp wrote:
> Hi
> 
> I'm not 100% sure I understand exactly what you are thinking about setting up.

This is completely theoretical at this point. Just the required geometry
size would be prohibitive.
 
> My guess is that the counter needs to run at the same THz speed as 
> the oscillator. That's pretty fast. I suspect that what ever you use, 
> speed / propagation delay in the counter it's self will be an issue. 
> That will get you back to either a ripple counter or a Johnson counter. 

Wouldn't you get large errors when you caught a ripple
during readout? That wouldn't be a problem with a Gray code.
 
-- 
Eugen* Leitl <a href="http://leitl.org">leitl</a> http://leitl.org
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