Abstract
In this work, the circular patch antenna was fabricated and analyzed. Microwave Studio (version 2019) computer simulation technology (CST) was used to design the circular patch antenna. The material FR-4 was used to build this antenna, using the computer numerical control (CNC) method to implement this work. For the purpose of accomplishing this design, the values of the resonant frequency, dielectric constant and dielectric thickness of the material used as in 4.424, 2.4 GHz and 0.159 cm respectively were used as inputs to the CST program to get the said program outputs for the required antenna radius with the logarithmic function (F) of the circular patch antenna 1.6909 cm and 1.7415 cm respectively. Practically, the best values for the antenna were obtained in terms of return loss, voltage standing wave ratio (VSWR), and input impedance, -25.72 dB, 1.1092, and 54.391 Ω respectively at the resonant frequency of 2.360 GHz. Where it were good values compared to the results of others.
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