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% Vin = aI' + bI
R = 0.5; % 0.5Ohm
L = 0.0015; % 1.5mH
data_points = 10000;
% Go on for 8 time constants
time_constant = L/R;
step = time_constant*8/data_points;
% Signal 1 Vin = 5.5V
Vin = @(t) 5.5 + 0*t; % 5.5V
current_initial=0;
[t, Vout] = ralston(R, L, Vin, current_initial, step, data_points*step);
plot(t, Vout);
figure;
% Signal 2a Vin = 5.5*exp(-t^2/r) V
Vin = @(t) 5.5*exp(-t^2/(160e-6)) % 5.5V
current_initial=0;
[t, Vout] = ralston(R, L, Vin, current_initial, step, data_points*step);
plot(t, Vout);
figure;
% Signal 2b Vin = 5.5*exp(-t/r)
Vin = @(t) 5.5*exp(-t/(160e-6)) % 5.5V
current_initial=0;
[t, Vout] = ralston(R, L, Vin, current_initial, step, data_points*step);
plot(t, Vout);
figure;
% Signal 3
T(1) = 20e-6; % 20us
T(2) = 450e-6; % 450us
T(3) = 1000e-6;% 1000us
for j=1:3
f = 1/T(j);
Vin = @(t) sin(2*pi*f*t);
[t, Vout] = ralston(R, L, Vin, current_initial, step, data_points*step);
plot(t, Vout);
figure;
Vin = @(t) sawtooth(2*pi*f*t);
[t, Vout] = ralston(R, L, Vin, current_initial, step, data_points*step);
plot(t, Vout);
figure;
Vin = @(t) square(2*pi*f*t);
[t, Vout] = ralston(R, L, Vin, current_initial, step, data_points*step);
plot(t, Vout);
figure;
end
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