Design and Fabrication of Circular and Circular Ring Microstrip Patch Antennas Employing Multilayer Parasitic Elements at 2.4 GHz
DOI:
https://doi.org/10.33795/jartel.v15i1.6452Keywords:
Bandwidth, Gain, Microstrip Antenna, Multilayer Parasitic, WirelessAbstract
This research discusses the design and construction of circular and circular ring patch microstrip antennas using the multilayer parasitic method at a frequency of 2.4 GHz. Microstrip antennas are used in wireless communications due to their small, compact, and simple shape, although they have weaknesses in terms of Bandwidth, gain, and low efficiency. To address these issues, the multilayer parasitic method is used to improve the antenna gain. This research aims to design microstrip antennas with the desired specifications, such as a VSWR value <2, Return loss < -10 dB, and a gain value of >5 dBi. The objective of this research is to increase the gain value and prove that the multilayer method can enhance the gain. The fabricated multilayer microstrip antenna operates at a frequency of 2448 MHz with a Return loss of -30.06 dB, a VSWR of 1.06, and a frequency range of (2390 - 2496) MHz. At a frequency of 2440 MHz, a gain value of 13.55 dBi with a Bandwidth of 106 MHz was obtained. This antenna is directional because it has effective radiation in a specific direction.
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