Design an analog elliptic lowpass filter that has a 0.25 dB or better ripple at 500 rad/sec and at least 50 dB of attenuation at 2000 rad/sec. Determine the system function in a rational function form. Plot the magnitude response, the log-magnitude response in dB, thephase response, and the impulse response of the filter. Compare your design with the Butterworth design in Problem
P8.12.
Problem P8.12
Design an analog Butterworth lowpass filter that has a 0.25 dB or better ripple at 500 rad/sec and at least 50 dB of attenuation at 2000 rad/sec. Determine the system function in a rational function form. Plot the magnitude response, the log-magnitude response in dB, the phase response, and the impulse response of the filter.