Matthew Kerwin
::
Circuits Problems
–
Step Response
10mA
10kΩ
0.1µF
2µF
5V
5kΩ
v
c
(0
-
) = -100 V
;
i
c
(0
+
) = -20 mA
v
c
(∞) = 5 V
;
i
c
(∞) = 0 mA
τ = 0.476 ms
v
c
(t) = 5 - 105e
-2100t
[V] ; t ≥ 0
time for v
c
to reach 0V: 1.45ms
i
c
(t) = -100 - 20e
-2100t
[V] ; t ≥ 0
time for i
c
to reach 0A:
never, but 2.381ms is close