PRACTICAL MATLAB® FOR ENGINEERS PRACTICAL MATLAB

0 0.5 1 1.5 2 2.5 3 3.5 4

0

0.2

0.4

0.6

0.8

1

Normalized frequency

Gain

Chebyshev type-1 LPF/order n = 1, 2, 3, 4, 10

n = 1

n = 4 n = 3

n = 10

n = 2

COLOR FIGURE 6.14

Magnitude plots of normalized analog Chebyshev type-1 LPFs of orders n = 1, 2, 3, 4, and 10.

0 1 2 3 4 5 6

0

0.2

0.4

0.6

0.8

1

Normalized frequency

Gain

Chebyshev type-2 LPF/order n = 1, 2, 3, 4, 10

n = 1

n = 3

n = 2 n = 4

n = 10

COLOR FIGURE 6.15

Magnitude plots of normalized analog Chebyshev type-2 LPFs of orders n = 1, 2, 3, 4, and 10.

CRC_47760_COLPLA.indd 8CRC_47760_COLPLA.indd 8 7/18/2008 5:34:25 PM7/18/2008 5:34:25 PM