D68BR Frequency Devices, Inc., D68BR Datasheet - Page 4

• Manufacturer Part Number: D68BR
• Description: Band Pass and Band Reject
• Manufacturer: Frequency Devices, Inc.

Appendix A
25 Locust St., Haverhill, Massachusetts 01830 ∑ Tel:[phone] ∑ FAX:[phone]
e-mail: [e-mail] ∑ Web Address: http://www.freqdev.com ∑ Fax on Demand: 978/521-5178
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
0.1
2
3
Normalized Frequency (f/fo)
4
-10.00
-15.00
-20.00
-25.00
-30.00
-35.00
-40.00
-45.00
-50.00
-55.00
-60.00
-65.00
-70.00
-75.00
-80.00
Amp
(dB)
-0.10
-0.25
-0.50
-1.00
-1.50
-2.00
-2.50
-3.00
-5.00
5
6
7 8
1.0
0.735
0.709
0.687
0.663
0.648
0.636
0.627
0.618
0.591
0.539
0.493
0.449
0.407
0.365
0.326
0.290
0.256
0.225
0.197
0.173
0.151
0.131
0.114
0.099
f / f
f
L
o
Q10
Q = 1
< f
O
Normalized Theoretical Amplitude Data
< f
Amplitude Response Curves
2
1.360
1.411
1.456
1.508
1.543
1.571
1.596
1.618
1.692
1.855
2.027
2.225
2.459
2.737
3.065
3.452
3.908
4.442
5.067
5.796
6.644
7.630
8.774
10.01
Q1
Q2
Q5
f / f
H
o
3
4
0.856
0.840
0.826
0.811
0.801
0.793
0.787
0.781
0.762
0.724
0.688
0.650
0.611
0.570
0.527
0.484
0.441
0.399
0.358
0.319
0.283
0.250
0.220
0.193
5
f / f
6
f
L
o
Q = 2
< f
7 8
O
10.0
< f
1.168
1.191
1.211
1.233
1.249
1.261
1.271
1.281
1.313
1.382
1.454
1.538
1.637
1.755
1.896
2.065
2.267
2.507
2.793
3.131
3.530
4.000
4.550
5.193
f / f
H
41
o
-1
-2
-3
-4
-5
0
0.6
0.939
0.932
0.926
0.919
0.914
0.911
0.908
0.905
0.896
0.877
0.858
0.838
0.816
0.791
0.763
0.733
0.699
0.664
0.625
0.585
0.543
0.500
0.457
0.414
f / f
f
L
o
Q = 5
< f
O
0.7
< f
1.064
1.073
1.080
1.088
1.094
1.098
1.102
1.105
1.116
1.140
1.165
1.193
1.226
1.265
1.311
1.365
1.430
1.507
1.599
1.710
1.842
2.000
2.189
2.414
f / f
H
o
0.8
Normalized Frequency (f/fo)
Q10
0.969
0.965
0.962
0.959
0.956
0.954
0.953
0.951
0.946
0.936
0.926
0.915
0.903
0.888
0.872
0.854
0.834
0.811
0.786
0.758
0.727
0.693
0.657
0.618
f / f
Band-Pass
4-Pole Pair
0.9
f
L
o
Q = 10
< f
O
< f
1.0
1.032
1.036
1.039
1.043
1.046
1.048
1.050
1.051
1.057
1.068
1.080
1.093
1.108
1.126
1.146
1.171
1.199
1.233
1.273
1.320
1.376
1.443
1.523
1.618
f / f
H
o
1.1
Q5
1.2
1.3
Q2
1.4
1.5 1.6
Q1