> Let's say I have:
> 24V supply
> Capacitor in parallel with a 16V zener
> 10K resistor between supply and capacitor/zener
> Capacitor is discharged to 8V
>
> In calculating time to recharge the capacitor, is the
> capacitor:
> a) charging through the 10K resistor toward 24V potential
> until it hits 16V, at which time it's limited by the zener?
> or
> b) charging toward a 16V potential through ?? resistance?
> or
> c) ?????

Option A.

In this problem the zener effectively doesn't exist until its threshold is
reached.

(This is assuming, of course, "ideal" components).

Bob Ammerman
RAm Systems

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