Appendix A
August 1999

 

Low-Pass 6-Pole Bessel

Theoretical Transfer Characteristics
f/fc Amp Phase Delay1
(Hz) (dB) (deg) (sec)
       
0.00 0.00 0.00 .430
0.10 -0.029 -15.5 .430
0.20 -0.116 -31.0 .430
0.30 -0.261 -46.5 .430
0.40 -0.465 -62.0 .430
0.50 -0.728 -77.4 .430
       
0.60 -1.05 -92.9 .430
0.70 -1.44 -108 .430
0.80 -1.89 -124 .430
0.85 -2.15 -132 .430
0.90 -2.42 -139 .430
       
0.95 -2.70 -147 .430
1.00 -3.01 -155 .430
1.10 -3.68 -170 .429
1.20 -4.44 -186 .428
1.30 -5.29 -201 .426
       
1.40 -6.23 -216 .422
1.50 -7.29 -232 .416
1.60 -8.46 -246 .401
1.70 -9.74 -261 .393
1.80 -11.1 -275 .376
       
1.90 -12.6 -287 .357
2.00 -14.2 -300 .335
2.25 -18.3 -328 .279
2.50 -22.6 -351 .228
2.75 -26.7 -369 .187
       
3.00 -30.7 -385 .156
3.25 -34.5 -398 .131
3.50 -38.1 -408 .111
4.00 -44.7 -426 .083
5.00 -55.9 -449 .052
       
6.00 -65.2 -465 .036
7.00 -73.2 -476 .026
8.00 -80.1 -484 .020
9.00 -86.2 -490 .015
10.0 -91.6 -495 .013
 

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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