D74H4L-33.3KHZ Frequency Devices, Inc., D74H4L-33.3KHZ Datasheet - Page 4

• Manufacturer Part Number: D74H4L-33.3KHZ
• Description: 16 Pin DIP 4-Pole Filters
• Manufacturer: Frequency Devices, Inc.

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
Theoretical Transfer Characteristics
e-mail: [e-mail]
Actual Delay =
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).
-0.028
-0.111
-0.251
-0.448
-0.705
-1.02
-1.41
-1.86
-2.11
-2.40
-2.69
-3.01
-3.71
-4.51
-5.39
-6.37
-7.42
-8.54
-9.71
-10.9
-12.2
-13.4
-16.5
-19.5
-22.4
-25.1
-27.6
-30.0
-34.4
-41.9
-48.1
-53.4
-58.0
-62.0
-65.7
Amp
0.00
(dB)
Actual Corner Frequency (fc) in Hz
Normalized Delay
Phase
(deg)
-12.1
-24.2
-36.3
-48.4
-60.6
-72.7
-84.8
-96.8
-103
-109
-115
-121
-133
-144
-156
-166
-177
-187
-195
-204
-212
-219
-235
-248
-259
-267
-275
-281
-291
-305
-315
-321
-326
-330
-333
0.00
∑
Web Address: http://www.freqdev.com
Delay
(sec)
.336
.336
.336
.336
.336
.336
.336
.336
.335
.334
.333
.332
.330
.325
.318
.308
.295
.280
.263
.246
.228
.211
.194
.158
.129
.107
.089
.076
.065
.049
.031
.021
.016
.012
.009
.008
1
∑
Tel :[phone]
2
-100
-0.0
-0.2
-20
-40
-60
-80
1.2
1.0
0.8
0.6
0.4
0.2
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)
Fax on Demand: 978/521-5178
Normalized Time (1/f sec)
Low-Pass
4-Pole
Bessel
2
Normalized Time (1/f sec)
3 4 5 6 78
3
2
4
∑
1.0
FAX:[phone]
5 6 7 8 9
3
2
3 4 5 6 7
1.0
4
1.5
10.0
5