Page 269 - Analog and Digital Filter Design

266 Analog and Digital Filter Design

Filter Equalizer Original Modified
Order Order Sigma 1 Omega I Q1 B1 Sigma2 Omega2 Q2 Bz Delay Delay
3 1 0.89 38'!4 4.00%
4 I 0.642 71'% 1651
4 2 0.595 0.722 0.607 0.409 7 I %> 3%
5 1 0.46 92% 33.0094
?
5 - 0.44 0.596 0.671 0.398 92% 10.40%
5 3 0.46 0.425 0.716 0.842 0.576 92% 2.80%)
6 2 0.33 0.506 0.766 0.384 122% 23.409'0
6 3 0.33 0.32 0.653 1.020 0.569 122% 9.20%
6 4 0.308 0.738 1.198 0.671 0.334 0.402 0.602 0.224 122% 3.30%
I 2 0.25 0.445 0.89 0.368 130"h 41.00%
7 3 0.25 0.249 0.608 1.221 0.555 130/b 21.20'%>
7 4 0.245 0.703 1.434 0.659 0.256 0.336 0.656 0.218 130'::, 10.40%)
8 3 0.19 0.192 0.57 1.484 0.537 165'X 36.00%
8 4 0.19 0.673 1.771 0.646 0.19 0.285 0.750 0.212 165% 8.80%
Table 9.4
0.01 dB Chebyshev Equalizer

Filter Equalizer Original Modified
Order Order , Sigma 1 Omega 1 Ql E1 Sigma 2 Omega2 Q2 Bz Delay Delay
3 I ~ 0.785 58% 10.90%,
3 2 0.68 0.795 0.585 0.412 58% 1.50';L
.1 I 0.52 97% 29.30%
4 2 ~ (3.495 0.64 0.646 0.406 9% 8.30%
4 3 0.475 0.435 0.732 0.841 0.589 97% 1.40%
5 1 0.365 119% 52.40%
5 7 0.347 0.531 0.765 0.402 1 19'% 22.47%
5 3 0.35 0.336 0.666 0.991 0.575 119%) 9.50%)
5 4 0.306 0.746 1.219 0.680 0.33 0.402 0.609 0.230 119% 3.10%
6 3 0.243 0.246 0.618 1.256 0.567 155% 23.80%
6 4 0.242 0.708 1.363 0.665 0.25 0.335 0.67 0.223 155% 12.50%
7 4 0.183 0.68 1.858 0.655 0.18 0.282 0.783 0.217 15% 25.701.!4
Table 9.5
0.1 dB Chebyshev Equalizer