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// Example 3.16
// Calculation of ratio of threshold current densities
// Page no 484
clc;
clear;
close;
// Given data
To1=160; // Device temperature
To2=55; // Device temperature
T1=293;
T2=353;
J81=exp(T1/To1); // Threshold current density
J21=exp(T2/To1);
J82=exp(T1/To2);;
J22=exp(T2/To2);;
cd1=J21/J81; // Ratio of threshold current densities
cd2=J22/J82;
//Display result on command window
printf("\n Ratio of threshold current densities= %0.2f ",cd1);
printf("\n Ratio of threshold current densities= %0.2f ",cd2);
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