In this paper software based design and analysis has been carried out for a circular patch antenna using different substrate materials. A coaxial probe fed circular microstrip patch antenna operating at C-band (4 to 8 GHz) is analyzed on different substrate materials like Rogers RT/duroid 5880, Rogers RT/duroid 5870, Neltec NX9240, Arlon DiClad 522, Rogers RO4003 and FR4_epoxy. The designs are analyzed by Finite Element Method (FEM) based HFSS™ EM simulator software.
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