Appendix B: LC Passive Filter Design
TABLE B.1 Butterworth Normalized Coefficients
TABLE B.2 Butterworth—Normalized Poles
Order (n) |
Real σ |
Imaginary jω |
1 |
1.0000 |
|
2 |
0.7071 |
0.7071 |
3 |
0.5000 |
0.8660 |
|
1.0000 |
|
4 |
0.9239 |
0.3827 |
|
0.3827 |
0.9239 |
5 |
0.8090 |
0.5878 |
|
0.3090 |
0.9511 |
|
1.0000 |
|
6 |
0.9659 |
0.2588 |
|
0.7071 |
0.7071 |
|
0.2588 |
0.9659 |
7 |
0.9010 |
0.4339 |
|
0.6235 |
0.7818 |
|
0.2225 |
0.9749 |
|
1.0000 |
|
8 |
0.9808 |
0.1951 |
|
0.8315 |
0.5556 |
|
0.5556 |
0.8315 |
|
0.1951 |
0.9808 |
9 |
0.9397 |
0.3420 |
|
0.7660 |
0.6428 |
|
0.5000 |
0.8660 |
|
0.1737 |
0.9848 |
|
1.0000 |
|
10 |
0.9877 |
0.1564 |
|
0.8910 |
0.4540 |
|
0.7071 |
0.7071 |
|
0.4540 ... |
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