Fourier and Laplace
375
R
s
Z )
(
sL
s
Z )
(
C
s
s
Z
1
)
(
s
R
s
Z )
(
C
s
Z
1
1
)
(
s
C
s
Z
1
)
(
R
Z(s)
L
Z (s)
C
Z (s)
R
R
L
L
C
C
Z(s)
Z (s)
Z (s)
s + (R /L)
s + (1/RC )
s 2 + (1/ LC )
FIGURE 4.27
Standard impedances Z(s) of simple network structures.
)
(
L
R
s
L
s
Z
s
R
s
Z )
(
s
L
s
Z )
(
s
C
s
Z
1
)
(
s
L
s
Z )
(
R
R
L
L
C
C
Z(s)
Z(s)
Z(s)
Z(s)
L
C
Z(s)
C
R
L
R
s 2 + (1/RC )s + (1/LC )
s 2 + (R/L)s + (1/LC )
s + (1/ RC )
s 2 + (1/ LC )
CRC_47760_CH004.indd 375
CRC_47760_CH004.indd 375
7/28/2008 12:26:06 PM
7/28/2008 12:26:06 PM