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+//Example6.1:"Output signal""
+//Page 176
+//figure 6.4
+clear;
+clc;
+R1=20000;       //in Ohm
+R2=400;         //in Ohm
+Vinp=0.006;         //in V  (Vinp=Vin+)
+Vinm=-0.006;         //in V   Vinp=Vin_)
+Vh=0.010;         //in V
+Vad=Vinm*(1+R1/R2)-Vinp*R1/R2;          //------1 equation Va=0.606mV approx
+disp("V",Vad,"Va");
+//for common mode
+Vac=Vh*(1+R1/R2)-Vh*R1/R2;
+disp("V",Vac,"Va");
+Rf=50000;       //in Ohm
+Ri=10000;         //in Ohm
+Av=Rf/Ri;
+disp(Av,"Av");
+Va=-0.606;       //V 
+Vb=-Va;
+Voutd=Av*(Vb-Va);
+disp("V",Voutd,"Desired differential input signal is Vb-Va=");
+Vout=(Vinp-Vinm)*(Rf/Ri)*(1+2*(R1/R2));
+disp("V",Vout,"By using equation 6.1 given in book Vout =(Vinp-Vinm)*(Rf/Ri)*(1+2*(R1/R2))=");
+CMRR=10^5;
+Av=505;
+Vincm=10*10^-3;
+Voutcm=Vincm*Av/CMRR;
+disp("V",Voutcm,"Vout(cm)")