D74H4B-849Hz Frequency Devices, Inc., D74H4B-849Hz Datasheet - Page 6

• Manufacturer Part Number: D74H4B-849Hz
• Description: 4-Pole High-Pass Filter
• Manufacturer: Frequency Devices, Inc.

Appendix A
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
0.85
0.90
0.95
1.00
1.20
1.40
1.60
1.80
2.00
2.50
3.00
4.00
5.00
6.00
7.00
8.00
9.00
10.0
(Hz)
f/fc
1.Normalized Group Delay:
25 Locust St., Haverhill, Massachusetts 01830
Theoretical Transfer Characteristics
e-mail: [e-mail]
The above delay data is normalized to a corner frequency
of 1.0Hz.The actual delay is the normalized delay divided
by the actual corner frequency (fc).
Actual Delay =
-80.0
-55.9
-41.8
-31.8
-24.1
-17.8
-12.6
-8.43
-6.69
-5.22
-3.99
-3.01
-0.908
-0.285
-0.100
-0.039
-0.017
-0.003
-0.001
Amp
0.00
0.00
0.00
0.00
0.00
0.00
0.00
(dB)
Actual Corner Frequency (fc) in Hz
Normalized Delay
Phase
(deg)
87.6
78.0
61.4
50.7
37.8
30.1
25.1
21.4
18.8
16.7
15.0
345
330
314
299
282
264
245
224
213
202
191
180
143
118
100
∑
Web Address: http://www.freqdev.com
Delay
(sec)
.418
.423
.433
.449
.474
.511
.558
.604
.619
.622
.612
.588
.427
.289
.204
.152
.119
.072
.049
.027
.017
.012
.009
.007
.005
.004
1
∑
Tel :[phone]
27
-100
-20
-40
-60
-80
0
0.1
Frequency Response
2
∑
Normalized Frequency(f/fc)
Fax on Demand: 978/521-5178
High-Pass
4-Pole
Butterworth
3 4 5 6 78
∑
1.0
FAX:[phone]
2
3 4 5 6 7
10.0