> I don't know of an analog approach using the 1 pps divided to 0.5 Hz > (for 50% duty cycle) as input to a phase detector. 1 Hz ripple > frequency from the phase detector is probably not practical to > filter. You would need a low pass filter time constant of at least > 1000 seconds and I think capacitors that will work for the long time > constant will have poor temperature properties, leading to excess > drift.
Has anybody considered putting that stuff into an oven? I wonder if it would be practical to take apart the ovenized osc you are trying to control and put the cap inside at the right place in the existing circuit. -- These are my opinions, not necessarily my employer's. I hate spam. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
