The development of a slot array antenna based on Substrate Integrated waveguide (SIW) has been carried out. The antenna, consisting of 4 rectangular slots, is designed to operate at a frequency of 2.4 GHz. The design process includes SIW and slot array structure design, microstrip to SIW transition structure design, and microstripline structure design. The final design results were then fabricated on an FR4 Epoxy substrate with a substrate thickness of 1.6 mm for measurements. From the measurement results, it was found that the antenna resonates at a frequency of 2.385 GHz with a bandwidth of 1.67%. The measurement results, in general, also agree with the simulation results. The manufactured antenna is suitable for use in WLAN applications.
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Munir et al. (2024) studied this question.
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