Question

Asked Dec 11, 2019

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A shirt vertical grounded antenna is designed to radiate at 10 MHz. What will be radiation resistance of the antenna is the effective height of the antenna is 60 m?

Step 1

Radiation resistance is a fictitious resistance. When an antenna radiates, the total power radiated by the antenna is assumed to the equal to the power dissipated by a specific resistance. That specific resistance is the radiation resistance of an antenna.

Step 2

For a short vertical grounded antenna, the radiation resistance can be expressed as

Step 3

In this case, the values of the effective height of the antenna and the frequency of radiation are given as...

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