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828BP Datasheet, PDF (6/8 Pages) List of Unclassifed Manufacturers – 8 Bit Programmable 4-Pole Pair Filters | |||
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Appendix A
Band-Pass
4-Pole Pair
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.1
Amplitude Response Curves
0
Q1
-1
Q2
-2
-3
Q5
-4
Q10
-5
2
3 4 5 6 7 8 1.0
2
3 4 5 6 7 8 10.0
0.6
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 Amplitude Data
Q=1
Q=2
Q=5
Q = 10
Amp
(dB)
-0.10
-0.25
-0.50
-1.00
fL < fO < fH
f/fo
0.735
f/fo
1.360
0.709 1.411
0.687 1.456
0.663 1.508
fL < fO < fH
f/fo
0.856
f/fo
1.168
0.840 1.191
0.826 1.211
0.811 1.233
fL < fO < fH
f/fo
0.939
f/fo
1.064
0.932 1.073
0.926 1.080
0.919 1.088
fL < fO < fH
f/fo
0.969
f/fo
1.032
0.965 1.036
0.962 1.039
0.959 1.043
-1.50
-2.00
-2.50
-3.00
-5.00
-10.00
-15.00
-20.00
0.648
0.636
0.627
0.618
0.591
0.539
0.493
0.449
1.543
1.571
1.596
1.618
1.692
1.855
2.027
2.225
0.801
0.793
0.787
0.781
0.762
0.724
0.688
0.650
1.249
1.261
1.271
1.281
1.313
1.382
1.454
1.538
0.914
0.911
0.908
0.905
0.896
0.877
0.858
0.838
1.094
1.098
1.102
1.105
1.116
1.140
1.165
1.193
0.956
0.954
0.953
0.951
0.946
0.936
0.926
0.915
1.046
1.048
1.050
1.051
1.057
1.068
1.080
1.093
-25.00
-30.00
-35.00
-40.00
0.407
0.365
0.326
0.290
2.459
2.737
3.065
3.452
0.611
0.570
0.527
0.484
1.637
1.755
1.896
2.065
0.816
0.791
0.763
0.733
1.226
1.265
1.311
1.365
0.903
0.888
0.872
0.854
1.108
1.126
1.146
1.171
-45.00
-50.00
-55.00
-60.00
0.256
0.225
0.197
0.173
3.908
4.442
5.067
5.796
0.441
0.399
0.358
0.319
2.267
2.507
2.793
3.131
0.699
0.664
0.625
0.585
1.430
1.507
1.599
1.710
0.834
0.811
0.786
0.758
1.199
1.233
1.273
1.320
-65.00
-70.00
-75.00
-80.00
0.151
0.131
0.114
0.099
6.644
7.630
8.774
10.01
0.283
0.250
0.220
0.193
3.530
4.000
4.550
5.193
0.543
0.500
0.457
0.414
1.842
2.000
2.189
2.414
0.727
0.693
0.657
0.618
1.376
1.443
1.523
1.618
41
25 Locust St., Haverhill, Massachusetts 01830 âTel:800/252-7074, 978/374-0761 âFAX:978/521-1839
e-mail: sales@freqdev.com âWeb Address: http://www.freqdev.com âFax on Demand: 978/521-5178
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