8-Pole, 6-Zero
Elliptic, 1.56
High-Pass
Appendix A
Theoretical Transfer Characteristics
1
Frequency Response
0
-20
-40
-60
-80
-100
f/fc
Amp
(dB)
Phase
(deg)
Delay
(sec)
(Hz)
0.10
0.20
0.30
0.40
0.50
-93.4
-84.8
-86.0
-92.6
-85.0
168
156
143
310
295
0.334
0.344
0.363
0.392
0.439
0.55
0.60
0.70
0.80
0.85
-114
287
458
617
589
569
0.472
0.515
0.652
0.962
1.325
-84.1
-57.0
-32.8
-22.6
2
2
3 4 5 6 7
0.1
3 4 5 6 78 1.0
10.0
Normalized Frequency(f/fc)
0.90
0.95
1.00
1.10
1.20
-12.3
-3.08
-0.05
-0.03
-0.01
538
483
414
341
296
2.198
3.993
3.062
1.498
1.039
1.30
1.40
1.50
1.60
1.70
-0.04
-0.05
-0.03
-0.01
0.00
264
239
219
202
188
0.773
0.612
0.505
0.426
0.364
1.80
1.90
2.00
2.50
3.00
0.00
-0.01
-0.02
-0.05
-0.05
176
165
156
122
101
0.315
0.275
0.243
0.145
0.097
4.00
5.00
6.00
7.00
8.00
-0.03
-0.01
-0.01
0.00
75.1
59.8
49.7
42.5
37.2
0.053
0.034
0.023
0.017
0.013
0.00
9.00
10.0
0.00
0.00
33.0
29.7
0.010
0.008
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
16
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