Before talking about various types of antenna symbols I would like to describe about antennas. Antennas for use at microwave frequencies. Antennas serve either or both of the following two functions: the generation and the collection of electromagnetic energy. In the transmission system, a radio-frequency signal is developed, amplified, modulated, and applied to the antenna. The RF current flowing through the antenna produces electromagnetic waves that radiate into the atmosphere. In a receiving system, electromagnetic waves “cutting” through the antenna induce alternating currents for use by the receiver. To have…
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