//Example6.10 // To determine the range of the differential voltage gain clc; clear; close; //R1 = 1 K ohm to 25 K ohm ; R2 = 50 ; // K ohm R3 = 10 ; // K ohm R4 = 10 ; // K ohm // the output of instrumentation amplifier is given by //Vo = (R4/R3)*(1+(2*R2/R1))*(VI@-VI1); // the differential voltage gain of the instrumentation amplifier can be written as //Av = (Vo/(VI2-VI1)) = (R4/R3)*(1+(2R2/R1)); // For R1 = 1 K ohm the maximum differential voltage gain of the instrumentation amplifier is R1 = 1 ; // K ohm Av = (R4/R3)*(1+(2*R2/R1)); disp('the maximum differential voltage gain of the instrumentation amplifier is = '+string(Av)+ ' '); // For R1 = 25 K ohm the mminimum differential voltage gain of the instrumentation amplifier is R1 = 25 ; // K ohm Av = (R4/R3)*(1+(2*R2/R1)); disp('the minimum differential voltage gain of the instrumentation amplifier is = '+string(Av)+ ' '); disp(' the range of the differential voltage gain of the instrumentation amplifier is '); disp(' 5 <= Av <= 101 ');