Quote:
Originally Posted by ttoyoda
I have never looked into this, but do you know if the specific zener that is used with the MPGuino "turns on" fast enough to actually clamp that peak? Obviously for steady state that is true, but the risetime on that peak looks "fast".
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You could wire a pair of Schottky's in a bridge for a lower capacitance (higher speed) solution if you fear the fly back!
I'll probe it and see what it looks like standard.