Matthew Kerwin
::
Circuits Problems
–
Step Response
2V
1kΩ
2µF
1V
1kΩ
v
c
(0
-
) = -2 V
;
i
c
(0
+
) = -2 mA
v
c
(∞) = -1 V
;
i
c
(∞) = 0 mA
τ = 2 ms
v
c
(t) = -1 - 1e
-500t
[V] ; t ≥ 0
time for v
c
to reach 0V:
never
i
c
(t) = -2 - 2e
-500t
[V] ; t ≥ 0
time for i
c
to reach 0A:
never, but 10ms is close