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+// Example14.13  // Determine the output voltage of an isolation amplifier IC ISO100
+clc;
+clear;
+close;
+Vin = 12 ; // V
+Rin = 1*10^3 ; 
+Rf = 17*10^3 ; // ohm // feedback resistance
+
+// the input voltage of an amplifier 1
+// Vin = Rin*Iin
+Iin = Vin/Rin ; 
+disp('The input current is = '+string(Iin)+' A ');
+
+// In isolation amplifier ISO 100 the input current Iin is equal to the output current Iout , but both are opposite in direction
+// Iin = -Iout
+// the output of an op-amp
+// Vo = -Rf*Iout
+Vo = Rf*Iin;
+disp('The output of an op-amp is = '+string(Vo)+' V ');
+