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+// Example 2.2: Change in diode voltage
+clc, clear
+ID1=1; // Let the initial diode current be 1 A
+ID2=15*ID1; // Final diode current
+VT=25e-3; // Voltage equivalent to temperatue at room temperature in volts
+eta=1; // for Ge
+deltaVD=eta*VT*log(ID2/ID1); // Change in diode voltage in volts
+deltaVD=deltaVD*1e3; // Change in diode voltage in milivolts
+disp(deltaVD,"Change in diode voltage (for Ge) (mV) = ");
+eta=2; // for Si
+deltaVD=eta*VT*log(ID2/ID1); // Change in diode voltage in volts
+deltaVD=deltaVD*1e3; // Change in diode voltage in milivolts
+disp(deltaVD,"Change in diode voltage (for Si) (mV) = ");
+\ No newline at end of file