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High-Pass
8-Pole
Appendix A
Butterworth
29
0.1
1.0
10.0
2
3 4 5 6 78
2
3 4 5 6 7
Normalized Frequency(f/fc)
-100
-80
-60
-40
-20
0
Frequency Response
(sec)
Theoretical Transfer Characteristics
1
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
0.85
0.90
0.95
1.00
1.20
1.40
1.60
1.80
2.00
2.50
3.00
4.00
5.00
6.00
7.00
8.00
9.00
10.0
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).
Actual Delay =
Normalized Delay
Actual Corner Frequency (fc) in Hz
f/fc
(Hz)
Amp
(dB)
Phase
(deg)
Delay
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
0.00
-5.15
-3.01
-0.229
-0.020
-0.002
59.0
49.0
42.1
36.8
32.7
29.4
-35.5
-24.8
-15.6
-11.6
-8.06
-160
-112
-83.7
-63.7
-48.2
386
360
275
226
194
170
152
120
99.2
74.0
535
499
459
437
413
691
661
631
600
568
0.033
0.023
0.017
0.013
0.010
0.008
0.287
0.226
0.139
0.094
0.052
1.48
1.46
0.873
0.540
0.380
.956
1.04
1.19
1.29
1.40
0.819
0.828
0.843
0.867
0.903
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