Conference Proceeding

Simple computation of the coupling coefficient due to a rectangular current loop for loaded circular cavities

Dept. of Electr. Eng., Mississippi Univ., MS
02/2000; DOI:10.1109/SECON.2000.845576 ISBN: 0-7803-6312-4 pp.278 - 281 In proceeding of: Southeastcon 2000. Proceedings of the IEEE
Source: IEEE Xplore

ABSTRACT A simple method is described to compute the coupling coefficient
due to a rectangular loop in a circular cavity that may be loaded with a
dielectric resonator. The resonant frequency and the unloaded Q-factor
are computed from the modal solution without the presence of the loop.
An equivalent circuit is obtained for the unloaded cavity and the loop
coupling is represented by a series inductance. As an example the
resonant frequency (f0), unloaded Q-factor (Q0)
and the coupling coefficient (K) for a dielectric resonator (DR) placed
in a parallel plate cavity are computed. The measured input impedance of
the parallel plate resonator is in good agreement with computed values

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Keywords

computed
 
computed values
 
coupling coefficient
 
dielectric resonator
 
good agreement
 
measured input impedance
 
rectangular loop
 
resonant frequency
 
series inductance
 
simple method
 
unloaded cavity
 
unloaded Q-factor