Replace the cutoff frequency specification of example 153

Question

Replace the cutoff frequency specification of Example 15.3 with ω_C = 10 rad/s and determine the order of the filter required to achieve 40 dB attenuation at ω_S = 24 rad/s.

EXAMPLE 15.3

Determining the Order of a Butterworth Filter Determine the required order of a filter, given the filter specifications