//Transmission Lines : example 12-7 : (pg 592 & 593) Zl=300;//load impedance Zo=50;//characteristic impedance v=2.07*10^8;//velocity in RG-8A/U cable f=27*10^6;//operating frequency of citizen's band transmitter Po=4;//output power of transmitter l=10;//length of RG-8A/U cable Rl=300;//input resistance of antenna T=((Zl-Zo)/(Zl+Zo));//reflection coefficient h=v/f;//length of cable in wavelength le=l/h;//electrical length x=Rl/Zo;//VSWR y=((1+T)/(1-T));//VSWR rp=(T)^2*Po;//reflected power Pl=Po-rp;//load power //part(a): The reflection coefficient printf("\nT = ZL-Z0/ZL+Z0 = %.2f",T); //part(b) : The electrical length of the cable in wavelengths(h) printf("\nh = v/f = %.2f m",h); mprintf("\nBecause the cable is 10m long,its electrical length is (%.f m)/(%.2f m/wavelength) = %.1fh",l,h,le); //part(c) : The VSWR printf("\nBecause load is resistive, \nVSWR = %.f",x); printf("\nAn alternativr solution, because T is known, \nVSWR = 1+T/1-T = %.f",y); //part(d) : absorbed power mprintf("\nthe reflected voltage is T times the incident voltage,\nreflected voltage = %.2f W \nPload = %.2f W",rp,Pl);