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+// Example 7.7 
+// Compuatation of the optimum amplifier configuration
+//
+// Page no. 329
+
+clc;
+clear;
+close;
+
+//Given data
+
+G1=8;           // Amplifier gain 1
+G2=16;          // Amplifier gain 2
+fn1=7;          // Noise figure of amplifier 1
+fn2=5.5;        // Noise figure of amplifier 2
+H=7;            // Insertion loss of the DCF
+//N=80;         // Identical amplifers
+fe=7*10^9;      //  Electrical filter bandwidth
+// q=6;
+
+
+// The optimum amplifier configuration
+
+fn1=10^(fn1/10);
+fn2=10^(fn2/10);
+G2=10^(G2/10);
+H=10^(H/10);
+Fna=fn2+(fn1/(G2*H));
+Fna=10*log10(Fna);
+G=G2+G1+H;
+Fnb=fn1+(fn2/(G1*H));
+
+Fnb=10*log10(Fnb);
+
+//Displaying the result in command window
+printf("\n The optimum amplifier configuration by choosing Amp2 as the first amplifier = %0.3f dB",Fna);
+printf("\n The optimum amplifier configuration by choosing Amp1 as the first amplifier = %0.3f dB",Fnb);
+
+// The answer vary due to round off error
+
+