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diff --git a/165/CH15/EX15.5/ex15_5.sce b/165/CH15/EX15.5/ex15_5.sce
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+//Example 15.5
+clc;
+
+fl=100;            //in Hz
+fh=1000;           //in Hz
+gain=4;
+C=0.01*10^-6;      //Assumed
+
+//For a LPF
+R=invr(2*%pi*fh*C);
+printf('\nValue of Resistor R for a LPF = %.1f k ohm\n',R/1000)
+
+//For a HPF
+R=invr(2*%pi*fl*C);
+printf('\nValue of Resistor R for a HPF = %d k ohm\n',R/1000)
+
+fc=sqrt(fl*fh);
+Q=fc/(fh-fl);
+printf('\nValue of Q for the given filter = %.2f \n',Q)
+if Q<10 then
+    printf('\nQ value is less 10, hence a Wide Band Filter\n')
+end
+\ No newline at end of file