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//Example 2.8(b)
clear;
clc;
R1=10*10^3;
R2=98*10^3;
R3=9.9*10^3;
R4=103*10^3;
//For first pair of inputs (v1, v2)=(-0.1 V, +0.1V)
v11=-0.1;
v21=0.1;
vo1=(R2/R1)*(v21-v11);
vcm1=(v11+v21)/2;
//For Second pair of inputs (v1, v2)=(4.9 V, 5.1V)
v12=4.9;
v22=5.1;
vo2=(R2/R1)*(v22-v12);
vcm2=(v12+v22)/2;
//For Third pair of inputs (v1, v2)=(9.9 V, 10.1 V)
v13=9.9;
v23=10.1;
vo3=(R2/R1)*(v23-v13);
vcm3=(v13+v23)/2;
//vO=A2*v2-A1*v1
A2num=(1+(R2/R1));
A2den=(1+(R3/R4));
A2=A2num/A2den;
A1=R2/R1;
//For first pair of inputs (v1, v2)=(-0.1 V, +0.1V)
vo1m=A2*v21-A1*v11;
//For Second pair of inputs (v1, v2)=(4.9 V, 5.1V)
vo2m=A2*v22-A1*v12;
//For Third pair of inputs (v1, v2)=(9.9 V, 10.1 V)
vo3m=A2*v23-A1*v13;
printf("vo for (-0.1 V,+0.1 V)=%.3f V",vo1m);
printf("\nvo for (4.9 V,5.1 V)=%.3f V",vo2m);
printf("\nvo for (9.9 V,10.1 V)=%.3f V",vo3m);
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