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QUESTION.4. A dielectric-filled (e, = 9,u, = 1), X-band WR90 (8.20 – 12.40 GHz) rectangular waveguide having dimensions a = 22.86 mm and b = 10.16 mm with Perfect Electric Conductor walls is designed as shown in figure. u, E a a) Give the definition of the dominant mode. What is the dominant mode of this waveguide? b) Find the lowest cutoff frequency for both the dielectric-filled and air-filled waveguide. Explain how the dielectric affects the cutoff frequency and compare the results.

QUESTION.4. A dielectric-filled (e, = 9,u, = 1), X-band WR90 (8.20 – 12.40 GHz) rectangular waveguide having dimensions a = 22.86 mm and b = 10.16 mm with Perfect Electric Conductor walls is designed as shown in figure. u, E a a) Give the definition of the dominant mode. What is the dominant mode of this waveguide? b) Find the lowest cutoff frequency for both the dielectric-filled and air-filled waveguide. Explain how the dielectric affects the cutoff frequency and compare the results.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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QUESTION.4. A dielectric-filled (e, = 9,µ, = 1), X-band WR90 (8.20 – 12.40 GHz) rectangular waveguide having dimensions a = 22.86 mm and b = 10.16 mm with Perfect Electric Conductor walls is designed as shown in figure. V. u, E a) Give the definition of the dominant mode. What is the dominant mode of this waveguide? b) Find the lowest cutoff frequency for both the dielectric-filled and air-filled waveguide. Explain how the dielectric affects the cutoff frequency and compare the results.
Transcribed Image Text:QUESTION.4. A dielectric-filled (e, = 9,µ, = 1), X-band WR90 (8.20 – 12.40 GHz) rectangular waveguide having dimensions a = 22.86 mm and b = 10.16 mm with Perfect Electric Conductor walls is designed as shown in figure. V. u, E a) Give the definition of the dominant mode. What is the dominant mode of this waveguide? b) Find the lowest cutoff frequency for both the dielectric-filled and air-filled waveguide. Explain how the dielectric affects the cutoff frequency and compare the results.
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