Perbandingan Efisiensi Antena Horn Konikal dengan Berbagai Bahan Untuk Aplikasi Wireless LAN 2,4 GHz

Natia, Shannaz and Aswoyo, Budi Perbandingan Efisiensi Antena Horn Konikal dengan Berbagai Bahan Untuk Aplikasi Wireless LAN 2,4 GHz. EEPIS Final Project.

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Abstract

Conical horn antenna is aperture antenna which is based circular waveguide, while its duct flare to electric field (E) and magnetic field (H) until its final shape resembles conical. In this Final Project, Conical Horn Antenas were designed and made in 2,4 GHz frequency. Three antennas wich had been made in this Final Project have the same size (diameter = 9 cm), but they were made from different materials, which are aluminium, zinc, and copper. Those three different antennas had been compared the efficiencies by measuring the directivity and gain of each antenna. Then, they were implemented on WLAN 2,4 GHz. The driver of the antenna is USB Adapter WiFi. The radiation patterns that resulted in this Final Project had form which were much the same to each other. The HPBWs werre 250 at H-plane and 240 at E-plane. The value of directivity measurement was 18,37 dB for all of the antennas. Gain measurement which had been yielded were 16,15 dB (for copper antenna), 14,15 dB (for aluminium antenna), and 10,15 dB (for zinc antenna). So that the efficiencies were 59,94% for copper antenna, 37,82% for aluminium antenna, and 15,05% for zinc antenna. Based on the value of the QoS parameter measurement, delay increased in the day time. The value of delay, jitter, and throughput measurements were suitable according to the ITU standart, so that those three antennas were competent for video conference. Keyword : Conical Horn Antenna, circular waveguide, wireless LAN (WLAN) 2,4 GHz, USB Adapter WiFi

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