Design Of Microstrip Tri-Ring Antenna

Nur Izzatul Suhana, Mohd Isa (2010) Design Of Microstrip Tri-Ring Antenna. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

An antenna is a transducer designed to transmit or receive electromagnetic waves. A microstrip antenna is defined as an antenna which consists of radiating patch on one side of a dielectric slab and a ground plane on the other side. A Microstrip Tri-ring Antenna(MTA) is designed in order to obtain the mutli-frequency antenna that can operates at frequency 2.4 GHz, 5.2GHz and 10GHz. Method of analysis that used in this project is parametric study. This MTA is fed by coaxial probe feed and FR4 board is used as a substrate with the specified information include the dielectric constant of substrate (, substrate height (h=0.035mm) and loss tangent (. The antenna has been design using CST Microwave Studio software. The main parameters concerned are return loss () and resonant frequency. A prototype of this MTA has been built and tested by Vector Network Analyzer (VNA). Then the measurement result obtained would be compared to the simulation result. Troubleshooting process is carried out regarding to the difference between both of them and would be discussed in the result part.

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