An air-filled circular waveguide of radius a has a conducting baffle placed along its length at f… 1 answer below »

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An air-filled circular waveguide of radius a has a conducting baffle placed along its length at f = 0 extending from ? = 0 to ? = a, as shown in Figure P9-5. For TEz modes, derive simplified expressions for the vector potential component, the electric and magnetic fields, and the cutoff frequencies, eigenvalues, phase constant along the axis of the guide, guide wavelength, and wave impedance. Also determine the following.

(a) The cutoff frequencies of the three lowest-order propagating modes in order of ascending cutoff frequency when the radius of the cylinder is 1 cm.

(b) The wave impedance and guide wavelength (in cm) for the lowest-order mode at f = 1.5fc where fc is the cutoff frequency of the lowest-order mode.

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