824L8B Datasheet, PDF (13/13 Pages) List of Unclassifed Manufacturers – 2 X 2 4-Pole Filters

Appendix A
Theoretical Transfer Characteristics
f/fc
Amp Phase Delay1
(Hz) (dB) (deg) (sec)
0.10 -91.9 354
.174
0.20 -67.6 347
.179
0.30 -53.1 341
.188
0.40 -42.6 334
.203
0.50 -34.1 326
.226
0.60 -26.8 317
.263
0.70 -20.2 307
.326
0.80 -14.0 293
.440
0.90 -8.13 274
.651
1.00 -3.01 245
.946
1.20 .500
179
.693
1.50 .014
133
.271
1.70 .043
117
.199
2.00 .249
98.2
.146
2.50 .469
76.9
.095
3.00 .498
62.7
.065
4.00 .401
45.5
.035
5.00 .296
35.7
.021
6.00 .221
29.4
.014
7.00 .169
25.0
.010
8.00 .133
21.8
.008
9.00 .107
19.3
.006
10.0 .088
17.3
.005
High-Pass
4-Pole, 0.5 dB Ripple
Chebychev
Frequency Response
0
-20
-40
-60
-80
-100
0.1
2 3 4 5 6 78 _1.0 2 3 4 5 6 78_10.0
Normalized Frequency(f/fc)
1.Normalized Group 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).
Normalized Delay
Actual Delay =
Actual Corner Frequency (fc) in Hz
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