PRACTICAL MATLAB® FOR ENGINEERS PRACTICAL MATLAB

(sharon) #1
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.

0246

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 9CRC_47760_COLPLA.indd 9 7/18/2008 5:34:25 PM7/18/2008 5:34:25 PM

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