High-Pass
2-Pole
Appendix A
Theoretical Transfer Characteristics
1
f/fc
Amp
Phase
Delay
(Hz)
(dB)
(deg)
(sec)
0.10
-40.00
172
.227
0.20
-27.97
164
.234
0.30
-20.95
155
.243
-16.03
0.40
146
.255
.265
-12.31
0.50
137
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
-9.40
-7.13
-5.37
-4.65
-4.02
-3.48
-3.01
-1.71
-1.01
-0.62
-0.40
-0.26
-0.11
-0.05
-0.02
-0.01
-0.00
-0.00
-0.00
-0.00
-0.00
127
117
108
103
98.5
94.2
90.0
75.5
64.1
55.4
48.7
43.3
34.0
27.9
20.7
16.4
13.6
11.7
10.2
9.04
8.13
.271
.270
.262
.255
.246
.236
.225
.179
.138
.106
.083
.066
.041
.027
.015
.009
.006
.005
.004
.003
.002
Butterworth
Frequency Response
0
Amp (dB)
-20
-40
-60
-80
0.1
2
1.0
2 3 4 5 6 7
10.0
Normalized Frequency(f/fc)
3 4 5 6 78
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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