[time-nuts] Frequency Divider
Hal Murray
hmurray at megapathdsl.net
Thu Apr 2 19:21:21 UTC 2009
> A large resistor connected between the input and output would
> accommodate threshold variations better. Even better would be a
> feedback loop that adjusts the input bias point to maintain the output
> duty cycle at 50%.
Isn't that resistor a feedback loop?
I played with that setup in the lab many years ago. It didn't work as well
as I was expecting. I didn't figure out why it didn't work better.
Maybe some gain in the feedback path would help. Then we have to consider
stability. Ugh.
--
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