828L8B Datasheet, PDF (10/19 Pages) List of Unclassifed Manufacturers – 2 X 2 8-Pole Filters

8-Pole, 6-Zero
Appendix A
Constant Delay
Low-Pass (60 dB)
Theoretical Transfer Characteristics
Frequency Response
f/fc
Amp Phase Delay1
0
(Hz) (dB) (deg) (sec)
0.00 0.00
0.00 .776
-20
0.10 0.005 -28.0 .776
0.20 0.012 -55.9 .776
-40
0.30 0.005 -83.9 .776
0.40 -0.042 -112
.776
-60
0.50 -0.161 -140
.776
0.60 -0.384 -168
.776
0.70 -0.745 -196
.776
0.80 -1.28 -224
.776
0.85 -1.62 -238
.776
0.90 -2.02 -252
.776
0.95 -2.48 -265
.775
1.00 -3.01 -279
.773
1.10 -4.29 -307
.766
1.20 -5.91 -334
.749
1.40 -10.3 -386
.675
1.60 -15.9 -431
.558
1.80 -22.4 -467
.443
2.00 -29.4 -495
.351
2.25 -39.0 -523
.268
2.50 -50.5 -544
.212
2.75 -78.0 -561
.171
3.00 -63.7 -395
.142
3.25 -63.5 -407
.119
3.50 -66.9 -417
.102
3.75 -74.7 -425
.088
4.00 -85.0 -253
.077
4.25 -72.0 -259
.068
4.50 -67.9 -265
.060
4.75 -65.8 -270
.054
5.00 -64.6 -275
.048
5.25 -63.9 -279
.044
5.50 -63.5 -283
.040
5.75 -63.3 -286
.036
6.00 -63.2 -289
.033
-80
-100
0.1
2 3 4 5 6 78 _1.0 2 3 4 5 6 7 _10.0
Normalized Frequency(f/fc)
Delay (Normalized)
1.0
0.5
0.0
0.1 ^{0.15 2}
3 4 5 6 7 8 9_1.0 1.5
Normalized Time (1/f sec)
Step Response
1.2
1.0
0.8
6.50 -63.3 -295
.028
0.6
7.00 -63.7 -299
.024
8.00 -64.7 -307
.019
0.4
9.00 -66.0 -313
.015
10.0 -67.3 -318
.012
0.2
1.Normalized Group Delay:
-0.0
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).
-0.2
0
1
2
3
4
5
Normalized Time (1/f sec)
Normalized Delay
Actual Delay =
Actual Corner Frequency (fc) in Hz
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