D100L4L Frequency Devices, Inc., D100L4L Datasheet - Page 4

• Manufacturer Part Number: D100L4L
• Description: 4- And 8- Pole Low-pass 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
1.Normalized Group Delay:
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f/fc
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
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)
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
5 6 7 8 9
3
2
3 4 5 6 7
1.0
4
1.5
10.0
5