# need help for frequency transformation

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#### franticEB

##### Full Member level 3
Hi i need help to obtain a lowpass transformation of this bandpass transfer function:

$H(s)=K0*\frac{B0 + B1*T(s) + B2*T^2(s) + B3*T^3(s)}{1 + F2*T^2(s) + F3*T^3(s)}$

with $T(s)=\frac{k}{k+s}$