Band-Pass
2-Pole Pair
Appendix A
Phase Response Curves
180
Phase (deg)
90
0
-90
-180
0.1
2
3 4 5 6 78
2
Q10
180
Phase (deg)
90
0
-90
-180
0.6
Q10
0.7
0.8
0.9
Q1
Q2
Q5
Q1
Q2
Q5
1.0
10.0
Normalized Frequency (f/fo)
3 4 5 6 78
1.0
1.1 1.2 1.3 1.4 1.5 1.6
Normalized Frequency (f/fo)
Normalized Theoretical Phase Data
Phase
Mag
(
deg)
1.0
2.5
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
60.0
70.0
80.0
90.0
105.0
120.0
135.0
150.0
165.0
180.0
Q=1
(+)
(-)
f /fO f /fO
0.994 1.006
0.985 1.016
0.970 1.031
0.940 1.063
0.913 1.096
0.886 1.128
0.861 1.161
0.838 1.194
0.815 1.227
0.794 1.259
0.774 1.292
0.755 1.324
0.719 1.391
0.685 1.460
0.652 1.535
0.618 1.618
0.564 1.772
0.502 1.991
0.424 2.356
0.320 3.126
0.177 5.639
0
inf
Q=2
(+)
(-)
f /fO f /fO
0.997 1.003
0.992 1.008
0.985 1.016
0.970 1.031
0.955 1.047
0.941 1.062
0.928 1.078
0.915 1.093
0.902 1.108
0.891 1.123
0.879 1.138
0.868 1.152
0.846 1.182
0.825 1.212
0.803 1.245
0.781 1.281
0.743 1.346
0.695 1.439
0.628 1.594
0.520 1.923
0.327 3.058
0
inf
Q=5
(+)
(-)
f /fO f /fO
0.999 1.001
0.997 1.003
0.994 1.006
0.988 1.012
0.982 1.018
0.976 1.025
0.970 1.030
0.965 1.036
0.960 1.042
0.955 1.048
0.950 1.053
0.945 1.059
0.935 1.069
0.925 1.081
0.916 1.092
0.905 1.105
0.887 1.128
0.862 1.160
0.825 1.212
0.758 1.319
0.593 1.686
0
inf
Q = 10
(+)
(-)
f /fO f /fO
0.999 1.001
0.998 1.002
0.997 1.003
0.994 1.006
0.991 1.009
0.988 1.012
0.985 1.015
0.982 1.018
0.980 1.021
0.977 1.024
0.974 1.026
0.972 1.029
0.967 1.034
0.962 1.040
0.957 1.045
0.951 1.051
0.941 1.062
0.928 1.077
0.908 1.101
0.869 1.150
0.764 1.310
0
inf
40
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