Design a circular waveguide filled with a lossless dielectric medium whose rela- tive permeability is unity. The waveguide must operate in a single dominant mode over a bandwidth of 1.5 GHz. Assume that the radius of the waveguide is 1.12 cm. a. Find the dielectric constant of the medium that must fill the waveguide to meet 3.5 the desired specifications. Find the lower and upper frequencies of operation.
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