a)

-----Original Message-----
From: pic microcontroller discussion list
[mailto:PICLIST@MITVMA.MIT.EDU] On Behalf Of Chuck Harkness
Sent: Monday, June 02, 2003 7:59 PM
To: PICLIST@MITVMA.MIT.EDU
Subject: [EE]: Question rctime parallel cap zener

Just can't quite get my brain around this.  This is not a
"homework" question.  I'm a hobbiest. I've tried to research
it using web and books.  Maybe this is one of those "duh"
questions, but I just can't get it.

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) ?????

Thanks
Chuck Harkness

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