As communication engineer you are requested to design a radio communication system using parabolic dish antenna of 120 cm diameter, for 1800 MHz. Assume the input power is 1 KW, radiated power is 62-W and radiation resistance is 18.750 for the antenna. For this antenna system, find: i. Efficiency of the antenna; ii. Gain of the antenna; iii. The Loss resistance

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а.
As communication engineer you are requested to design a radio communication
system using parabolic dish antenna of 120 cm diameter, for 1800 MHz. Assume the
input power is 1 KW, radiated power is 62-w and radiation resistance is 18.750 for
the antenna. For this antenna system, find:
i.
Efficiency of the antenna;
ii.
Gain of the antenna;
iii.
The Loss resistance
Transcribed Image Text:а. As communication engineer you are requested to design a radio communication system using parabolic dish antenna of 120 cm diameter, for 1800 MHz. Assume the input power is 1 KW, radiated power is 62-w and radiation resistance is 18.750 for the antenna. For this antenna system, find: i. Efficiency of the antenna; ii. Gain of the antenna; iii. The Loss resistance
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