[time-nuts] PICDIV build

Anders Wallin anders.e.e.wallin at gmail.com
Sat Apr 16 06:29:10 UTC 2016


hi all, I wrote down some notes on a recent PICDIV build and measurements:
http://www.anderswallin.net/2016/04/picdiv-frequency-divider/

If/when I make v2 of this board:
- any suggestions for boosting the output amplitude of both 1PPS and 10MHz
CMOS? Something that drives 3.3Vpp into 50R with ~few ns rise time?
- any obvious mistakes that cause the phase-noise observed? Mostly I think
50/100Hz and harmonics would be nice to suppress..

thanks!
Anders



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