hkBattousai
Member
![229-cir.png](http://static.electro-tech-online.com/imgcache/229-cir.png)
All elements in this circuit has zero initial values.
I need to know at what time the voltage level on capacitor C1 passes a certain level.
Vs(t) is DC in my implementation. I want to know at what time C1 charges to 20V (or any other voltage).