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//Chapter-6 example 2
//=============================================================================
clc;
clear;
//input data
Vdc = 2.5*10^3;//Beam voltage
Idc = 25*10^-3;//beam current in A;
Zo = 10;//charecteristic impedance
F = 9.5*10^9;//TWT operating frequency in hz
N = 40;//circuit length
//Calculations
C = ((Idc*Zo)/(4*Vdc))^(1/3);//gain parameter
Ap = -9.54+(47.3*N*C);//Output power gain of twt
w = 2*%pi*F;
vdc = 0.593*10^6*sqrt(Vdc);
Be = w/vdc;
//Output
mprintf('Gain parameter is %3.3f\n Output Power gain is %3.3f dB\n phase constant of electron beam is %e rad/m',C,Ap,Be);
//=============end of the program==============================================
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