In this article, we will discuss the basics of waveguides and show 15 different types of waveguide symbols. Introduction of Waveguide Any surface separating two media of distinctly different conductivities or permittivities has a guiding effect on electromagnetic waves. For example, a rod of dielectric material, such as polystyrene, can carry a high-frequency wave, somewhat as a glass fiber conducts a beam of light. The best guiding surface, however, is between a good dielectric and a good conductor. In a broad sense, all kinds of transmission lines, including coaxial cables…
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