> On Jun 8, 2016, at 9:59 AM, Charles Steinmetz <[email protected]> wrote:
> 
> You can achieve substantially lower jitter (phase noise) with a regenerative 
> divider, which also allows you to divide by 3/2 for a 10MHz output.  I've 
> built several like that, and they work extremely well.
> 
> There are simpler divide-by-three logic circuits (generally, the simpler the 
> circuit the closer to an exact 50% duty cycle and the lower the jitter).  See 
> the attached image for one approach.
> 

Very nice! That one also simulates properly on CircuitLab without the delay 
gates in the output feedback. I tried adding the delay gates back in, and it 
didn’t change, but I can imagine that’s just because it’s a simulator.


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