[time-nuts] LPRO-GPSDO

Hal Murray hmurray at megapathdsl.net
Fri Jan 8 22:16:25 UTC 2010


> There are a lot of 10 MHz OCXO's out there that do the same crystal at
> 20 MHz / output at 10 MHz trick. 

In the old days of TTL digital design, it was common to run the clock from 
the typical osc package through a divide by 2 FF to get (much) better 
symmetry.  The asymmetry would always come out of your timing budget 
someplace inconvenient.


-- 
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