Appendix A
August 1999

 

4-Pole, 0.5 dB Ripple Chebychev

Theoretical Transfer Characteristics
f/fc Amp Phase Delay1
(Hz) (dB) (deg) (sec)
       
0.00 0.00 0.00 .476
0.10 0.087 -17.3 .492
0.20 0.295 -35.7 .533
0.30 0.474 -55.7 .577
0.40 0.463 -76.9 .596
0.50 0.248 -98.2 .583
       
0.60 0.025 -119 .578
0.70 0.072 -141 .647
0.80 0.432 -168 .881
0.85 0.482 -185 1.06
0.90 0.062 -205 1.18
       
0.95 -1.12 -226 1.13
1.00 -3.01 -245 .946
1.10 -7.61 -272 .559
1.20 -12.0 -288 .345
1.30 -15.9 -298 .235
       
1.40 -19.3 -305 .173
1.50 -22.4 -311 .134
1.60 -25.1 -315 .108
1.70 -27.6 -318 .089
1.80 -29.9 -321 .075
       
1.90 -32.1 -324 .065
2.00 -34.1 -326 .057
2.25 -38.6 -301 .042
2.50 -42.6 -334 .033
2.75 -46.1 -336 .026
       
3.00 -49.3 -339 .021
3.25 -52.2 -340 .018
3.50 -54.9 -342 .015
4.00 -59.7 -344 .011
5.00 -67.6 -347 .007
       
6.00 -74.0 -350 .005
7.00 -79.4 -351 .004
8.00 -84.1 -352 .003
9.00 -88.2 -353 .002
10.0 -91.9 -354 .002
 

Notes:

  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).

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