//chapter-4 page 142 example 4.4 //============================================================================== clc; clear; b=0.3175;//Distance between ground planes of strip line in cm d=0.0539;//Diameter of circular conductor in cm er=2.32;//Dielectric Constant c=3*10^8;//Velocity of Light in m/sec //CALCULATION Z0=((60/sqrt(er))*log((4*b)/(d*(%pi))));//Characteristic Impedance in ohms V=(c/sqrt(er))/(10^3);//The Velocity of propagation in Km/s //OUTPUT mprintf('\nCharacteristic Impedance is Z0=%2.2f ohms \nThe Velocity of propagation is V=%5.2f Km/s',Z0,V); //=========================END OF PROGRAM===================================================