D68L8D10-849Hz Frequency Devices, Inc., D68L8D10-849Hz Datasheet - Page 10
D68L8D10-849Hz
Manufacturer Part Number
D68L8D10-849Hz
Description
32 Pin DIP 8-Pole Filter
Manufacturer
Frequency Devices, Inc.
Datasheet
1.D68L8D10-849HZ.pdf
(17 pages)
Appendix A
(Hz)
0.00
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
0.85
0.90
0.95
1.00
1.10
1.20
1.30
1.40
1.50
1.60
1.70
1.80
1.90
2.00
2.25
2.50
2.75
3.00
3.25
3.50
4.00
5.00
6.00
7.00
8.00
9.00
10.0
f/fc
1.Normalized Group Delay:
25 Locust St., Haverhill, Massachusetts 01830 · Tel:800/252-7074, 978/374-0761 · FAX:978/521-1839
Theoretical Transfer Characteristics
e-mail: sales@freqdev.com · 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 =
-0.029
-0.117
-0.264
-0.470
-0.737
-1.06
-1.45
-1.91
-2.16
-2.42
-2.71
-3.01
-3.67
-4.40
-5.20
-6.10
-7.08
-8.16
-9.36
-10.7
-12.1
-13.7
-18.1
-23.1
-28.3
-33.4
-38.3
-43.1
-51.8
-66.8
-79.2
-89.8
-99.0
-107
-114
Amp
0.00
(dB)
Actual Corner Frequency (fc) in Hz
Normalized Delay
Phase
(deg)
-18.2
-36.4
-54.7
-72.9
-91.1
-109
-128
-146
-155
-164
-173
-182
-200
-219
-237
-255
-273
-291
-309
-327
-345
-362
-402
-436
-465
-489
-509
-526
-552
-587
-610
-626
-638
-647
-655
0.00
Delay
(sec)
.506
.506
.506
.506
.506
.506
.506
.506
.506
.506
.506
.506
.506
.506
.506
.506
.505
.504
.502
.498
.492
.482
.468
.417
.352
.291
.241
.201
.170
.126
.077
.052
.038
.029
.023
.018
1
4
-100
-0.0
-0.2
1.2
1.0
0.8
0.6
0.4
0.2
-20
-40
-60
-80
1.0
0.5
0.0
0
0.1
0.1
0
Frequency Response
Delay (Normalized)
Step Response
0.15
2
1
Normalized Frequency(f/fc)
Normalized Time (1/f sec)
8-Pole
Bessel
Low-Pass
Normalized Time (1/f sec)
2
3
4
5 6 7 8
3
2
4
1.0
5
3
6
7 8 9
2
3
1.0
4
4
5 6 7
1.5
10.0
5