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// Chapter 6 example 7
//------------------------------------------------------------------------------
clc;
clear;
// Given data
fo = 40*10^9; // oscillating freq. of Gunn diode
no = 10^15; // doping concentration
up = 8000; // mobility in positive conductance region
er = 13; // relative permitivity
um = 100; // mobility in m^2/V-s
eo = 8.85*10^-14; // permitivity in F/cm
e = 1.6*10^-19; // charge of electron
// Calculations
// (eo*er)/(e*up) << no/fo < (eo*er)/(e*um) // condition to be satisfied
// let k = (eo*er)/(e*up) , l = (eo*er)/(e*um) , p = no/fo
p = no/fo
k = (eo*er)/(e*up)
l = (eo*er)/(e*um)
if (k<p) then
if p<l then
mprintf('Necessary Condition satisfied')
end
end
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