Appendix A
August 1999

 

High-Pass
4-Pole, 0.5 dB Ripple
Chebychev

Theoretical Transfer Characteristics
f/fc Amp Phase Delay1
(Hz) (dB) (deg) (sec)
       
0.10 -91.9 354 .174
0.20 -67.6 347 .179
0.30 -53.1 341 .188
0.40 -42.6 334 .203
0.50 -34.1 326 .226
       
0.60 -26.8 317 .263
0.70 -20.2 307 .326
0.80 -14.0 293 .440
0.90 -8.13 274 .651
1.00 -3.01 245 .946
       
1.20 .500 179 .693
1.50 .014 133 .271
1.70 .043 117 .199
2.00 .249 98.2 .146
2.50 .469 76.9 .095
       
3.00 .498 62.7 .065
4.00 .401 45.5 .035
5.00 .296 35.7 .021
6.00 .221 29.4 .014
7.00 .169 25.0 .010
       
8.00 .133 21.8 .008
9.00 .107 19.3 .006
10.0 .088 17.3 .005
 

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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