Antenna Fundamentals
Before we can design an antenna or discuss antenna types, we must understand the basics of antennas, which are the fundamental parameters that characterize an antenna.
We'll start with frequency and step through radiation patterns, directivity and gain, and ultimately close with an explanation on why antennas radiate.
The basics of sinusoids (sine and cosine waves), wavelength, frequency and the speed of light.
A discussion on how all waveforms in the universe are made up of the sum of sinusoids (simple waves) This helps explains why in antenna theory we always discuss wavelength and frequency no matter what signal (information) we want to transmit.
No discussion on antenna fundamentals is complete without a real-world list of frequency bands.