A comparative investigation of microstrip patch antenna using FR-4/RT-Duroid/RO3003 materials for bluetooth and WLAN applications

Abstract

The purpose of this paper is to design, compare, and analyze the radiation properties of the rectangular microstrip patch antennas for three different materials at resonant frequencies of 5.2 and 2.4 GHz. The proposed rectangular patch antennas have been designed using the materials, glass epoxy substrate with dielectric constant (εr = 4.3) and loss tangent (tan δ = 0.025), RT/Duroid (RT/5880) with dielectric constant (εr = 2.2) and loss tangent (tan δ = 0.0009), and Rogers (RO3003) with dielectric constant (εr = 3) and loss tangent (tan δ = 0.0013). The proposed rectangular patch antennas are excited using 50 Ω microstrip line. The reflection coefficient curve for the return loss less than −10 dB for both operating frequency with three materials is compared. Various parameters like the radiation pattern, gain, return loss, and VSWR are obtained using CST Microwave Studio software.