D100B Datasheet, PDF (4/5 Pages) Frequency Devices, Inc. – 2 - Pole Pair Band - Pass Filters

Appendix A
Band-Pass
2-Pole Pair
0
-10
-20
-30
-40
-50
-60
-70
-80
0.1
Amplitude Response Curves
0
Q1
Q2
-1
Q1
Q2
-2
Q5
-3
Q5
Q10
-4
Q10
-5
2 3 4 5 6 7 8 _1.0 2 3 4 5 6 7 8 _10.0 0.6 ^{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 Frequency (f/fo)
Q=1
Amp
(dB)
-0.10
-0.25
f <f <f
L
O
H
f /fO f /fO
0.824 1.214
0.783 1.277
-0.50 0.747 1.338
-1.00 0.705 1.418
-1.50 0.677 1.478
-2.00 0.654 1.529
-2.50 0.635 1.574
-3.00 0.618 1.617
-5.00 0.563 1.776
-10.00 0.457 2.189
-15.00 0.368 2.720
-20.00 0.290 3.445
-25.00 0.225 4.439
-30.00 0.173 5.795
-35.00 0.131 7.630
-40.00 0.099 10.09
-45.00 0.075 13.41
-50.00 0.056 17.83
-55.00 0.042 23.75
-60.00 0.032 31.65
-65.00 0.024 42.19
-70.00 0.018 56.25
-75.00 0.013 75.00
-80.00 0.010 100.0
Q=2
f <f <f
L
O
H
f /fO f /fO
0.907 1.102
0.884 1.131
0.863 1.159
0.837 1.194
0.820 1.220
0.805 1.242
0.792 1.262
0.781 1.280
0.742 1.348
0.657 1.523
0.572 1.748
0.485 2.062
0.399 2.506
0.319 3.130
0.250 3.999
0.193 5.192
0.147 6.814
0.111 9.002
0.084 11.94
0.063 15.87
0.047 21.13
0.036 28.15
0.027 37.52
0.020 50.01
Q=5
f <f <f
L
O
H
f /fO f /fO
0.962 1.040
0.952 1.051
0.943 1.061
0.931 1.074
0.923 1.083
0.916 1.091
0.910 1.098
0.905 1.105
0.886 1.129
0.842 1.188
0.792 1.263
0.733 1.364
0.664 1.507
0.585 1.709
0.500 2.000
0.414 2.414
0.333 3.001
0.262 3.819
0.202 4.945
0.154 6.479
0.117 8.552
0.088 11.33
0.066 15.06
0.050 20.05
Q = 10
f <f <f
L
O
H
f /fO f /fO
0.981 1.020
0.976 1.025
0.971 1.030
0.965 1.036
0.961 1.041
0.957 1.045
0.954 1.048
0.951 1.051
0.941 1.062
0.917 1.090
0.889 1.125
0.855 1.170
0.811 1.233
0.758 1.320
0.693 1.443
0.618 1.618
0.535 1.869
0.449 2.228
0.365 2.737
0.290 3.453
0.225 4.443
0.172 5.798
0.131 7.632
0.099 10.10
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