Page 270 - Analog and Digital Filter Design

Phase-Shift Networks (All-Pass Filfers) 26 7

I
Original
Sigma 1 Omega I Ql EL Sigma 2 Omega 2 Q2 E2 Delay
0.73 736::;,
0.556 0.7 0.629 0.425 73'1 $,
0.45 1 I 8" i
0.444 0.6 0.676 0.404 118",.
0.399 0.375 0.7 0.933 0.591 Il8"/c
0.3 1 150".b
0.298 0.504 0.846 0.406 150h
0.303 0.295 0.616 1.095 0.575 l5Oh
0.266 0.73 1.372 0.680 0.28 0.362 0.646 0.719 15O!4
0.202 0.209 0.605 1.47 0.563 185%
0 213 0.698 1.616 0.665 0.2i5 0.308 0.716 0.221 185'!;>
0.156 0.673 2.157 0.655 0.15 0.262 0.873 0.215 22%

Tabie 9.5
0.25dE Chebyshev Equalizer

Fiiter Equalizer Original Modified
Order Order Sigma 1 Omega 1 Ql E1 Sigma 2 Omega 2 Q2 E2 Delay Delaj
I 0.67 89V 25.60";)
3 0.495 0.65 0.657 0.421
i I 0.39
4 7 0.4 0.57 0.712 0.406
4 3 0.34 0326 0.677 1.038 0.593 140
4 4 0.3 0.73 1.217 0.666 0.38 0.428 0.563 0.197 140'!,~~ i.90
7 0.26 0.49 0.942 0.315 IXl'::, 47.iC",,
> 3 0.26 0.16 0.63 1.213 0.574 18Ir:;~ 28.1C7l'?
3 4 0.134 0.721 1.541 0.682 0.234 0.33 0.705 0.333 iXl'"m> 11.4W
6 3 0.17 0.18 0.6 1.667 0.572 2261,~ 150.00
6 4

Table 9.7
0.5d6 Chebyshev Equalizer

1 Filrer Equalizer
E2
Sigma 1 Omega 1 Ql E1 Sigma 2 Omega 2 02 -
0.6 1
0.435 0.603 0.709 0.428
0.632 0.41 0.67 0.798 0.522
0.314
0.35 0.535 0.764 0.405
0.279 0.275 0.658 1.196 0,598
0.256 0.7 1 5 1.396 0.668 0.33 0.33 0.576 [I. I 33
0.215 0.435 1.123 0.435
0.23 0.325 0.615 1.367 0.572
0.199 0.71 1.78-i 0.682 0.19 0.3 0.789 0.232
0.135 0.146 0.6 2.055 0.582
0. I6 0.68 2.125 0.661 0.155 0.265 0.355 0.315

Table 9.8
1 d6 Chebyshev Equalizer