Abstract
A study of ultra-wideband (UWB) microstrip patch antenna for microwave related applications is presented. According to −10 dB impedance bandwidth criteria, the antenna is able to operate in the frequency range 4.7–17 GHz. The antenna is designed on FR-4 epoxy with thickness 1.6 mm and dielectric constant 4.4. An air gap is used between two dielectrics whereas, inverted patch configuration is employed to achieve ultra-wideband characteristics. From proposed design, an average gain of 10 dBi is observed. The presented results demonstrated that the proposed microstrip patch antenna is suitable for WLAN, radar and satellite communications.
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