The present communication is design and investigation of the performance of a UWB antenna having circular polarization characteristics. The antenna uses low cost and readily available glass epoxy substrate having thickness 1.6 mm and dimensions 40 × 40 mm2. The circular polarized antenna design in this work is very simple. It consists of an annular circular patch fed by strip line feed with another circular patch connected to the annular patch using a stub inclined at 225º with respect to x-axis. The antenna exhibits circular polarization over the frequencies 8.1–8.8 GHz, and good polarization purity. An axial ratio of 0.5 is attained at 8.4 GHz. The return loss characteristics of the antenna demonstrate a −10 dB impedance bandwidth from 2.48–10.94 GHz.
A UWB Antenna with Circular Polarization Characteristics for Wireless Communications
Lect. Notes Electrical Eng.
2022-10-05
9 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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