CHAPTER 10
WAVEGUIDES
10.1 INTRODUCTION
The propagation of an electromagnetic (EM) wave in any arbitrary medium should satisfy Maxwell’s equations as discussed in the previous chapter. Transmission line structures such as a two-wire line and coaxial cable support only a transverse electromagnetic (TEM) wave. In such lines, the electromagnetic (EM) energy is confined and guided within the conductor boundaries satisfying Maxwell’s equations.
This chapter presents the general analysis of the characteristics of the waves propagating along the uniform guiding structures. Due to skin effect, dielectric loss and conductor loss along the line, transmission lines are almost impractical to use at microwave frequencies in the GHz range. So, waveguides ...
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