824BP Datasheet, PDF (7/7 Pages) Frequency Devices, Inc. – 8 Bit Programmable 2-Pole Pair Filters

Appendix A
Band-Pass
2-Pole Pair
Phase Response Curves
180
180
Q10
90
90
0
0
Q1
-90
Q2
Q5
-90
-1800.1 _{2 3 4 5 6 7 8 1.0 2 3 4 5 6 7 8 10.0} -18_0.0₆
Normalized Frequency (f/fo)
Q1
Q2
Q5
Q10
0.7 0.8 0.9 _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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