Assuming you've been called for a contract to design a pacemaker device using an active lowpass filter sytem for a big company. a. Make a simple sketch of the filter using a circuit diagram b....

Assuming you've been called for a contract to design a pacemaker device using an active lowpass filter sytem for a  big company.
a. Make a simple sketch of the filter using a circuit diagram
b. Determine the frequency response of the system
c. Determine the real & imaginary part of the system.
d. Determine  the output b[z] of the system assuming the captured heart voltage signal is a[z]=e^-zu(z)