Faculty of Information Engineering & TechnologyCommunications Department Course: Radio Frequency Engineering (COMM 603)

Assignment 11

Problem 1

Consider the following capacitively loaded infinite line. If 0Z = 75 Ω, d=2.0 cm and 0C

=0.5 pF. Compute the propagation constant, the phase velocity and the Bloch impedance at f=0.5 GHz. Assume k= 0k . Use a CAD tool to plot the κ-β diagram.

Problem 2

Sketch the κ-β diagram for the infinite periodic structure shown below. Assume 0Z =100 Ω,

d=2.0 cm, k= 0k and 0L = 3.0 nH.

Covered Topics:Periodic Structures