Table 2.

Values of the coefficients of the transfer function for different approximations.

Approximation	Elliptic	Butterworth	Chebyshev	Bessel	Inv. Chebyshev
b4 [–]	1
b3 [–]	1.736 × 105	7.844 × 105	1.745 × 105	1.421 × 106	7.895 × 105
b2 [–]	1.079 × 1011	3.076 × 1011	1.052 × 1011	9.091 × 1011	3.117 × 1011
b1 [–]	1.143 × 1016	7.068 × 1016	1.093 × 1016	3.015 × 1017	7.226 × 1016
b0 [–]	1.622 × 1021	8.119 × 1021	1.434 × 1021	4.286 × 1022	8.489 × 1021