Question 3 (20 Points) of current in the direction opposite that of the diode\'s

Question

Question 3 (20 Points) of current in the direction opposite that of the diode's arrow symbol. Based upon this An ideal diode blocks the flow property, the diode can be used to make a half -wave rectifier. For an ideal diode, the voltage ? across the load given byi -le, otherwise Suppose the supply voltage is ()3-s(et) Welts. VL using yestemmeemmananty, write a MATLAB program to plot ? versus tine for ten seconds i, the MATLAB script dlode.m. Exsend your solution for the non-ideal ode case. A non-deal dlode has the characteristic Display your results using the subplot command as shown in the figure below. Save your figure in a file named diode fig. Submit your figure along with your program. Plot Should bihe th Supply Voltage Vs Time 12 47 810 time [s] Load Voltage Vs Time- Ideal Diode time [s) Load Voltage Vs Time-Nonldeal Diode 8 g 10

Explanation / Answer

The Matlab Code is

t = 0:0.01:10;
% vs(t) below
vs = 3*exp(-t/3).*sin(pi*t);
subplot(3,1,1);
plot(t,vs);
grid on;
xlabel('time[s]');
ylabel('Volts');
% rectifier using ideal diode
for n = 1:length(vs)
if vs(n)<0
vl_ideal(n)=0;
else
vl_ideal(n)=vs(n);
end
end
subplot(3,1,2);
plot(t,vl_ideal);
xlabel('time[s]');
ylabel('Volts');
grid on;
axis([0 10 -3 3]);
% rectifier using non-ideal diode
for n = 1:length(vs)
if vs(n)<0.6
vl_nideal(n)=0;
else
vl_nideal(n)=vs(n);
end
end
subplot(3,1,3);
plot(t,vl_nideal);
xlabel('time[s]');
ylabel('Volts');
grid on;
axis([0 10 -3 3]);

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