D68BP4 Datasheet, PDF (5/6 Pages) Frequency Devices, Inc. – Fixed Frequency 4-Pole Pair Filters

Appendix A
Band-Pass
4-Pole Pair
360
270
180
90
0
-90
-180
-270
-360
0.1
Phase Response Curves
360
Q10
270
180
90
0
Q1
-90
Q2
Q5
-180
-270
2 3 4 5 6 7 8 _1.0 2 3 4 5 6 7 8 _10.0 ^-3600.6
0.7
Normalized Frequency (f/fo)
Q1
Q2
Q5
Q10
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 Q = 1
Q=2
Q=5
Q = 10
Mag (+) (-) (+) (-) (+) (-) (+) (-)
(deg) _{f /fo f /fo f /fo f /fo f /fo f /fo f /fo f /fo}
1.0 0.997 1.003 0.998 1.002 0.999 1.001 1.000 1.000
2.5 0.992 1.008 0.996 1.004 0.998 1.002 0.999 1.001
5.0 0.983 1.017 0.992 1.008 0.997 1.003 0.998 1.002
10.0 0.967 1.034 0.983 1.017 0.993 1.007 0.997 1.003
15.0 0.951 1.051 0.975 1.025 0.990 1.010 0.995 1.005
20.0 0.936 1.069 0.967 1.034 0.987 1.013 0.993 1.007
25.0 0.920 1.087 0.959 1.042 0.984 1.017 0.992 1.008
30.0 0.905 1.105 0.951 1.051 0.980 1.020 0.990 1.010
35.0 0.891 1.123 0.944 1.060 0.977 1.023 0.988 1.012
40.0 0.876 1.141 0.936 1.068 0.974 1.027 0.987 1.013
45.0 0.863 1.159 0.929 1.077 0.971 1.030 0.985 1.015
50.0 0.849 1.178 0.921 1.086 0.968 1.033 0.984 1.017
60.0 0.823 1.215 0.907 1.103 0.962 1.040 0.981 1.020
70.0 0.799 1.252 0.893 1.120 0.956 1.046 0.978 1.023
80.0 0.776 1.288 0.880 1.136 0.950 1.052 0.975 1.026
90.0 0.755 1.324 0.868 1.152 0.945 1.058 0.972 1.029
120.0 0.701 1.426 0.835 1.198 0.930 1.075 0.964 1.037
150.0 0.657 1.521 0.807 1.239 0.917 1.090 0.958 1.044
180.0 0.618 1.618 0.781 1.281 0.905 1.105 0.951 1.051
210.0 0.577 1.734 0.752 1.330 0.891 1.122 0.944 1.060
240.0 0.525 1.904 0.713 1.403 0.872 1.147 0.933 1.071
270.0 0.452 2.210 0.653 1.532 0.840 1.191 0.916 1.092
300.0 0.345 2.899 0.548 1.825 0.777 1.288 0.880 1.136
330.0 0.192 5.211 0.350 2.859 0.617 1.621 0.780 1.282
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