0
1
2
3
4
5
6
0
0.2
0.4
0.6
0.8
1
Normalized frequency
Gain
Elliptic LPF/order n = 1, 2, 3, 4, 10
n = 1
n = 4, 10
n = 2
n = 3
COLOR FIGURE 6.16
Magnitude plots of normalized analog elliptic LPFs of orders n = 1, 2, 3, 4, and 10.
0
2
4
6
0
0.2
0.4
0.6
0.8
1
n = 1
n = 3
n = 10
n = 4
Bessel magnitude LPF/order n = 1 , 2, 3, 4, 10
Normalized frequency
Gain
n = 2
COLOR FIGURE 6.17
Magnitude plots of normalized analog Bessel LPFs of orders n = 1, 2, 3, 4, and 10.
CRC_47760_COLPLA.indd 9
CRC_47760_COLPLA.indd 9
7/18/2008 5:34:25 PM
7/18/2008 5:34:25 PM