Abstract
Experimental study of microstrip circular patch antenna which has been fabricated on LiTi ferrite substrate is presented. Obtained results have also been compared with same structure of antenna on dielectric substrate for the X band. The structure of antenna has been optimized with IE3D and lithographed on 2 mm thickness ferrite substrate. The radiation patterns have been measured in anechoic chamber and plotted for both E-plane and H-plane. Using ferrite material the patch size reduced about 63 % as compared to antenna printed on dielectric substrate. Obtained values of return loss and VSWR for antenna on ferrite substrate have positive results than the antenna on dielectric substrate but the bandwidth, directivity, gain and quality factor of antenna have been affected negatively. For this work the polycrystalline LiTi ferrite has been synthesized using solid state reaction technique and characterized its electric and magnetic properties.
Published Version
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