Planar Yagi Antenna Design

Mohd Supian , Sulaiman (2008) Planar Yagi Antenna Design. Project Report. UTeM, Melaka,Malaysia. (Submitted)

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Abstract

This thesis is present the design of planar Yagi antenna for WLAN application at frequency 2.4 GHz .Now days designing conventional antenna is high cost due to the large size. There several step to design this antenna .The design and simulation of this antenna was completed using Microwave Office software. There are two designs of antenna was investigated. The first planar Yagi antenna with one director and the second planar Yagi antenna with three directors. For both prototype antenna were simulated. The optimized design was fabricated using chemical etching and UV ray. The both antennas and then tested. Compared to the simulation result the operating frequency for both planar Yagi antenna design is 2.4 GHz. The measurement result show that the operating frequency slightly shift to 2.5GHz and the bandwidth of both designs were 14.05% and 6.88% ,Compared to the simulation, the bandwidth of both designs are achieve about 11.88%. The measurement result slightly different from simulation.

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