Design of Integrated Open Loop Resonator Bandpass Filter Antenna for 2.4GHz Applications

Abstract:

This paper presented the design of integrated filter antenna for 2.4GHz microwave applications. Open loop resonator bandpass filter is designed to increase the bandwidth of the antenna by producing the range of frequencies that can be accepted by the antenna structure. Direct connection between the filter structure and antenna may cause impedance mismatch and deteriorates the performance of both antenna and filter. Thus, by integrating both filter and antenna into a single module, the overall performance can be improved and increase the efficiency of the system with improved bandwidth. The design used FR4 with dielectric constant of εr = 4.7 with substrate thickness of 1.6mm. It is shown that the simulation result for the proposed integrated filter antenna produce return loss, S₁₁=-20.009dB, gain of radiation pattern is 3.36dB and an increase of bandwidth to approximately 3.74% compare to the single structure antenna.

• Periodical: Applied Mechanics and Materials (Volume 833)
• Pages: 143-148
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.833.143
• Online since: April 2016
• Authors: Nur Izzati Atiqah Zainuddin, Dayang Azra Awang Mat, Anis Suziyani Roslan
• Keywords: Bandwidth, FR4, Impedance Mismatch, Integrated Filter Antenna, Open Loop Resonator Filter, Return Loss

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