Analysis of the Open-Slot Resonator

Autor: Jhong-Wei Wu, 吳鍾緯
Rok vydání: 2015
Druh dokumentu: 學位論文 ; thesis
Popis: 103
In this thesis, the frequency-response characteristics of the stepped-impedance open-slot resonator, such as resonance condition and spurious harmonic, have been shown. Unlike the conventional slotted-ground-plane resonator with a half-wavelength, the length of this proposed structure is only a quarter-wavelength long so that compactness can be achieved. The technique of size reduction for the resonator is furthermore presented by modifying the impedance ratio of the stepped-impedance open-slot segment. Owing to the semi-ground plane, decrease of the quality factor causes enhancement of the rejection bandwidth. We analytically derive design equations with respect to the impedance ratio of the stepped-impedance open-slot resonator and can predict resonant modes without utilizing expensive EM simulation software. In addition, by utilizing the thru-reflect-line(TRL) calibration technique and theoretical methods, parameter extraction of the equivalent circuit of the stepped-impedance open-slot resonator is also presented.
Databáze: Networked Digital Library of Theses & Dissertations