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+// Chapter9
+// Maximum and minimum Frequency  of oscillation 
+// Page.No-307
+// Example9_2
+//Figure 9.9
+// Given
+clear;clc;
+// for minimium frequency
+R=11100;            //in Ohm
+C=0.1*10^-6;           //in F
+f=1/(2*%pi*R*C);
+printf("\n The mimimum frequency of oscillation  = %.1f Hz\n",f); // Result
+// for maximum frequency
+R=1100;            //in Ohm
+C=0.1*10^-6;           //in F
+fm=1/(2*%pi*R*C);
+printf("\n The maximum frequency of oscillation  = %.0f Hz\n",fm); // Result
+printf("\n For C=0.001microF, the range is from %.1f Hz to %.0f Hz\n  ", f*10,fm*10);//Result
+printf("\n For C=0.0001microF, the range is from %.1f Hz to %.0f Hz\n  ", f*100,fm*100);//Result
+Rf=10000+2700;          //in ohm
+Ri=5600;                //in Ohm
+Av=1+Rf/Ri;
+printf("\n Gain ,Av is %.2f \n  ", Av);//Result