Matthew Kerwin
::
Circuits Problems
–
Step Response
2.5mA
10kΩ
1µF
5µF
2V
10kΩ
v
c
(0
-
) = -25 V
;
i
c
(0
+
) = -2.5 mA
v
c
(∞) = -2 V
;
i
c
(∞) = 0 mA
τ = 60 ms
v
c
(t) = -2 - 23e
-t/0.06
[V] ; t ≥ 0
time for v
c
to reach 0V:
never
i
c
(t) = -25 - 2.5e
-t/0.06
[V] ; t ≥ 0
time for i
c
to reach 0A:
never, but 300ms is close