62.5 L 2 cos 2 cos   0  L 12.52  θ H 62.5 0.375  δ and the H-plane aperture θ  2 tan L 2 62.5 tan 6.260    λ H 13.7λ a H 2 56 56 0 0 0 (EPlane) 5.6    HPBW a 10 Eλ 67 67  4.9 0 0 0 (HPlane)   HPBW a 13.7 Hλ Problems: The radius of a circular loop Antenna is 0.02λ. How many turns of the antenna will give a radiation resistance of 35 . 0.02λ 2  A π λ2 A 0.01   A or 0.022 A 0.001256    π 0.01  27 hence n Problem: The impedance of an infinitesimally thin antenna is 73+j42.5 Find the terminal λ/2 impedance of
θ  2 cos L  2 cos 62.5  12.52 0 H L  δ 62.5  0.375 and the H-plane aperture a  2 L tan θ H  2  62.5 λ tan 6.260  13.7λ H 2 HPBW (EPlane)  56 0  56 0  5.6 0 a Eλ 10 HPBW (HPlane)  67 0  67 0  4.9 0 a Hλ 13.7 Problems: The radius of a circular loop Antenna is 0.02λ. How many turns of the antenna will give a radiation resistance of 35 . A  π 0.02λ 2 A  λ2 A  0.01 or A  π 0.022  0.001256  0.01 hence n  27 Problem: The impedance of an infinitesimally thin λ/2 antenna is 73+j42.5 Find the terminal impedance of
ec-64unit-45.docx