Dave wrote:
I'm not trying to downplay the circuit in the link above, but I want
to offer another possible solution to Zero-Crossing needs.
Here's an Idea For Design from EDN magazine that I've used a couple
times in non-time-nut circuits, and I must say that it works
beautifully. I have no measurements that would satisfy a time-nut's
curiosity, so if someone wants to Spice it or otherwise tear it
apart, please do.
That one is not ideal for this task, because (i) its output pulse is
symmetrical about the mains zero cross, and (ii) the hysteresis zone
is not well characterized and will drift with temperature and input
voltage. So, there is no edge that is well characterized in relation
to the AC mains zero cross.
Best regards,
Charles
_______________________________________________
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
