Although the return loss and VSWR change with varying the notch gap but no significant changes were observed in case of gain, directivity and bandwidth. ![]() It shows that the return loss decreases within some certain values of the notch width (g) and after those values the return loss and VSWR started to increase with the corresponding notch gap. The designed rectangular microstrip patch antenna with inset feed technique is very useful for various applications in Industrial, Scientific and Medical sectors which operates at 3GHz range. ![]() FR-4 with dielectric constant of 4.3 is used as a substrate for the designed antenna. We have varied the notch width(g) as the proportion of the Length(L), Width(W) of the patch and the width of the microstrip feed line (Wf) to study the performance parameters of patch antenna. ![]() In this paper, an inset feed rectangular microstrip patch antenna has been designed and simulated at the frequency of 3GHz and the dependency of antenna performance parameters like return loss, VSWR and other antenna parameters have been successfully studied with the variation of the notch gap using CST microwave studio.
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