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+// Example 6.40
+// Calculation of load resistance and bandwidth
+// Page no 495
+
+clc;
+clear;
+close;
+
+//Given data
+Cd=6*10^-12                         // Capacitance of pin photodiode
+B=20*10^6;                         // Bandwidth
+Ca=6*10^-12;                      // Input capacitance
+
+
+// a)Load resistance
+R=1/(2*%pi*B*Cd);
+R=R*10^-3;
+// b)Bandwidth
+Bm=1/(2*%pi*(Ca+Ca)*R);
+Bm=Bm*10^-9;
+
+
+
+//Displaying results in the command window            
+printf("\n Load resistance (in Kilo ohm)= %0.2f  ",R);
+printf("\n Bandwidth(in MHz) = %0.0f  ",Bm);
+
+// The answers vary due to round off error