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Pulse and Digital Circuits Venkata Rao K., Rama Sudha K. and Manmadha Rao G.
i C = – 5 i C
( t )]
[
p
( t t p )
e
RC
= –0.4758
e
t
t
p
RC
Case 2:
For 0 < t < t p
i
i C decays exponentially,
C
( t)
5e
t
RC
RC
RC 1
at t tp, Ic( tp) 5e 5e
1.839 A
For t > t p i C decays exponentially as
[5 I ( t )]
C
p
e
tt
p
RC
t
= –3.16 e
t
p
RC
Case 3:
For 0 < t < t p
i C decays exponentially, i
a
C
( t)
5e
t
RC
5RC
5
t t tp, Ic( tp) 5e RC 5e 0.0336 A
For t > t p i C rises exponentially as
t
t
p
t
t
p
RC
RC
–[5 i C
( t p
)] e = –4.966 e
The input and outputs are plotted in Fig.14.3.
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