//chapter_no.-11, page_no.-507 //Example_no.11-3-1 clc; Pavg=250*(10^-3);//average_power_flowing_in_the_positive_z_direction Io=100*(10^-3);//total_peak_current Z0=(2*Pavg)/(Io^2); disp(Z0,'the_characteristic_impedance_of_the_coplanar_strip_line(in ohms)is =');