D68L8D10-849Hz Frequency Devices, Inc., D68L8D10-849Hz Datasheet - Page 15

• Manufacturer Part Number: D68L8D10-849Hz
• Description: 32 Pin DIP 8-Pole Filter
• Manufacturer: Frequency Devices, Inc.

Appendix A
0.10
0.20
0.30
0.40
0.50
0.55
0.60
0.70
0.80
0.85
0.90
0.95
1.00
1.10
1.20
1.30
1.40
1.50
1.60
1.70
1.80
1.90
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 · Tel:[phone] · FAX:[phone]
Theoretical Transfer Characteristics
e-mail: [e-mail] · Web Address: http://www.freqdev.com · Fax on Demand: 978/521-5178
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 =
-2.21
-0.51
-0.03
-0.01
-0.05
-0.03
-0.02
-0.02
-0.02
-0.01
-0.01
-0.01
-0.01
-0.01
0.00
-89.3
-82.1
-90.6
-82.4
-87.8
-90.0
-60.2
-32.4
-13.1
-6.28
0.01
0.03
0.03
0.03
0.02
0.01
0.01
Amp
(dB)
Actual Corner Frequency (fc) in Hz
Normalized Delay
Phase
(deg)
150
141
133
105
86.9
64.7
51.6
42.9
36.8
32.1
28.6
25.7
164
148
131
292
450
401
358
324
277
225
221
201
185
172
160
437
603
563
498
451
Delay
0.440
0.459
0.495
0.559
0.671
0.761
0.890
1.37
2.35
2.77
2.66
2.15
1.64
1.04
0.757
0.596
0.486
0.409
0.347
0.299
0.046
0.029
0.020
0.015
0.011
0.009
0.007
0.260
0.229
0.203
0.123
0.083
(sec)
1
37
-100
-20
-40
-60
-80
0
0.1
Frequency Response
2
Normalized Frequency(f/fc)
8-Pole, 6-Zero
Elliptic, 1.77
High-Pass
3
4
5 6 7 8
1.0
2
3
4
5 6 7
10.0