Capacitor Discharge Timing

Thread Starter

AlkaAka

Joined Jul 1, 2013
9
Awesome, thanks!

Normally, the time constant is used for both charging and discharging. Does that apply for this circuit as well? What I mean is will the LED illuminate at the same rate that it dimmed?

Sorry for the constant questioning and thanks for the answers!
 

wayneh

Joined Sep 9, 2010
17,496
This is just something I threw together...
Haha, and it's also exactly the "ramp generator" or "triangle wave" standard circuit that I couldn't put my finger on. I hate it when you know you've seen something but can't quite recall. Anyway, that's what makes forums like this one so great. I knew somebody here would step up. ;)
 
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