Asked by Kamran Salehi
on 13 Oct 2018

question:Recall that the RC filter has transfer function: H(f) = . For frequencies ranging from f = - 200 KHz to 200 KHz, with R = 10 K W and C = 1 m F, plot the magnitude and phase angle for the transfer function, on one plot, with the left vertical axis showing H(f), and the right vertical axis showing the phase angle, in radians .

MY answer:

C=(1/10).^6; H=(1./(1+(j*2*f*R*C)));

>> plotyy(f,abs(H),f,angle(H)); grid;

>> R=10000;

>> f=[(-200)*10.^3: 50000: (200)*10.^3];

>> C=(1/10).^6; H=(1./(1+(j*2*f*R*C)));

>> plotyy(f,abs(H),f,angle(H)); grid; xlabel('frequency');

Answer by madhan ravi
on 13 Oct 2018

Edited by madhan ravi
on 14 Oct 2018

Accepted Answer

Edited

C=(1/10).^6;

grid;

R=10000;

f=(-200)*10.^3: 50000: (200)*10.^3;

C=(1/10).^6;

H=(1./(1+(j*2*f*R*C)));

H=((1./(1+(j*2*f*R*C))));

yyaxis left

plot(f,abs(H))

hold on

yyaxis right

plot(f,angle(H))

xlabel('frequency');

madhan ravi
on 14 Oct 2018

Check edited if it worked make sure to accept the answer

Kamran Salehi
on 15 Oct 2018

thank you

madhan ravi
on 16 Oct 2018

you’re welcome

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