Nurul Fahmi Arief Hakim, Azwar Mudzakkir Ridwan, Tommi Hariyadi
Ultra-wideband (UWB) technology has the advan-tages of high data rates and low costs. One of the developments of microwave devices is the UWB antenna. In this study, a monopole flower-shaped patch antenna was designed with the addition of resistive loads and DGS. The proposed UWB antenna configuration uses RO3450 dielectric substrate with a thickness of 1.524mm with a relative permittivity of 3.6. The results obtained show that the antenna with resistive load and DGS is capable of having a UWB frequency. The reflection coefficient obtained is following the FCC minimum standards from 3.1GHz - 10.6GHz. The radiation pattern obtained when the antenna is added with resistive load and slot at the ground plane is relatively similar. However, the gain of the antenna with resistive load and slot at the ground plane is better than the antenna that only uses resistive load. The highest gain of the antenna can reach 7dB when using a resistive load of 50Ω. The radiation efficiency of the antenna is more stable when resistive loads and DGS are added. © 2022 IEEE.
Universitas Pendidikan Indonesia, Department of Electrical Engineering Education, Bandung, Indonesia; Uin Sunan Gunung Djati, Department of Electrical Engineering, Bandung, Indonesia
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