0
0.5
1
−3
−2
−1
0
1
2
3
Normalized frequency
Phase in radian
Bessel phase LPF/order n = 1, 2, 3, 4, 10
n = 3
n = 2
n = 1
n = 10
n = 4
COLOR FIGURE 6.18
Phase plots of normalized analog Bessel LPFs of orders n = 1, 2, 3, 4, and 10.
CRC_47760_COLPLA.indd 10
CRC_47760_COLPLA.indd 10
7/18/2008 5:34:25 PM
7/18/2008 5:34:25 PM
0.5
1
−3
−2
−1
0
1
2
3
Normalized frequency
Phase in radian
Bessel phase LPF/order n = 1, 2, 3, 4, 10
n = 3
n = 2
n = 1
n = 10
n = 4
COLOR FIGURE 6.18
Phase plots of normalized analog Bessel LPFs of orders n = 1, 2, 3, 4, and 10.
CRC_47760_COLPLA.indd 10
CRC_47760_COLPLA.indd 10
7/18/2008 5:34:25 PM
7/18/2008 5:34:25 PM