Appendix A
August 1999

 


High-Pass
4-Pole, 0.2 dB Ripple
Chebychev

Theoretical Transfer Characteristics
f/fc Amp Phase Delay1
(Hz) (dB) (deg) (sec)
       
0.10 -89.8 352 .212
0.20 -65.1 345 .218
0.30 -51.1 337 .228
0.40 -40.6 328 .245
0.50 -32.2 319 .272
       
0.60 -25.0 308 .314
0.70 -18.6 296 .383
0.80 -12.7 280 .500
0.90 -7.34 259 .686
1.00 -3.01 231 .873
       
1.20 .140 172 .633
1.50 .031 128 .275
1.70 .003 111 .197
2.00 .074 93.2 .138
2.50 .174 73.4 .088
       
3.00 .200 60.4 .060
4.00 .170 44.5 .033
5.00 .129 35.2 .020
6.00 .098 29.2 .014
7.00 .076 24.9 .010
       
8.00 .060 21.7 .008
9.00 .048 19.3 .006
10.0 .040 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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