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Filter Coefficient Tables
Table 16–7.
Tschebyscheff Coefficients for 1-dB Passband Ripple
n i a i b i k i =
f Ci / f C
Q i
1 1 1.0000 0.0000 1.000 ⎯
2 1 1.3022 1.5515 1.000 0.96
3 1 2.2156 0.0000 0.451 ⎯
2 0.5442 1.2057 1.353 2.02
4 1 2.5904 4.1301 0.540 0.78
2 0.3039 1.1697 1.417 3.56
5 1 3.5711 0.0000 0.280 ⎯
2 1.1280 2.4896 0.894 1.40
3 0.1872 1.0814 1.486 5.56
6 1 3.8437 8.5529 0.366 0.76
2 0.6292 1.9124 1.082 2.20
3 0.1296 1.0766 1.493 8.00
7 1 4.9520 0.0000 0.202 ⎯
2 1.6338 4.4899 0.655 1.30
3 0.3987 1.5834 1.213 3.16
4 0.0937 1.0432 1.520 10.90
8 1 5.1019 14.760
0.276 0.75
8
2 0.8916 3.0426 0.849 1.96
3 0.2806 1.4334 1.285 4.27
4 0.0717 1.0432 1.520 14.24
9 1 6.3415 0.0000 0.158 ⎯
2 2.1252 7.1711 0.514 1.26
3 0.5624 2.3278 0.994 2.71
4 0.2076 1.3166 1.346 5.53
5 0.0562 1.0258 1.533 18.03
10 1 6.3634 22.746
0.221 0.75
8
2 1.1399 4.5167 0.694 1.86
3 0.3939 1.9665 1.093 3.56
4 0.1616 1.2569 1.381 6.94
5 0.0455 1.0277 1.532 22.26
Active Filter Design Techniques
16-59