D68L8D10-849Hz Frequency Devices, Inc., D68L8D10-849Hz Datasheet - Page 16

• 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 =
-93.4
-84.8
-86.0
-92.6
-85.0
-114
-84.1
-57.0
-32.8
-22.6
-12.3
-3.08
-0.05
-0.03
-0.01
-0.04
-0.05
-0.03
-0.01
-0.01
-0.02
-0.05
-0.05
-0.03
-0.01
-0.01
Amp
(dB)
0.00
0.00
0.00
0.00
0.00
0.00
Actual Corner Frequency (fc) in Hz
Normalized Delay
Phase
(deg)
168
156
143
310
295
287
458
617
589
569
538
483
414
341
296
264
239
219
202
188
176
165
156
122
101
75.1
59.8
49.7
42.5
37.2
33.0
29.7
Delay
0.334
0.344
0.363
0.392
0.439
0.472
0.515
0.652
0.962
1.325
2.198
3.993
3.062
1.498
1.039
0.773
0.612
0.505
0.426
0.364
0.315
0.275
0.243
0.145
0.097
0.053
0.034
0.023
0.017
0.013
0.010
0.008
(sec)
1
36
-100
-20
-40
-60
-80
0
0.1
Frequency Response
2
Normalized Frequency(f/fc)
8-Pole, 6-Zero
Elliptic, 1.56
High-Pass
3
4
5 6 7 8
1.0
2
3
4
5 6 7
10.0