Solution 3.8.2.3
Let
Z
1
= R
1
and
Z
2
=
R
2
C
2
s
R
2
+
1
C
2
s
=
R
2
R
2
C
2
s +1
Then
V
o
(s)=
Z
2
Z
1
+ Z
2
V
i
;;
Thus
V
o
(s)
V
i
(s)
=
R
2
R
2
C
2
s+1
R
2
R
2
C
2
s+1
+ R
1
R
2
C
2
s +1
R
2
C
2
s +1
=
R
2
R
1
R
2
C
2
s + R
1
+ R
2
=
1
R
1
C
2
1
s +
R
1
+R
2
R
1
R
2
C
2
:
1