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|Title||Design and Development of Filtering Microstrip Antenna for 2.4GHz Applications|
|Title in Arabic||تصميم وتطوير مرشحات شريحية هوائية دقيقة لتطبيقات تردد 2. 4 جيجا هرتز|
A microstrip antenna is considerable narrowband antenna and a method to increase its bandwidth as well as adding filtering property is studied here. In this research three models are developed for 2.4 GHz band applications using filtering antenna concept that increases the bandwidth of the antenna and allows it to work as a filter to improve its frequency selectivity. In the first model, the antenna and the filter are designed separately then they are integrated into one unit. The rectangular micristrip antenna is designed with quarter-wave transformer for matching and the filter is a third order Chebyshev filter. Integrating the filter and antenna together makes the filter acts as a part of the antenna and the antenna acts as a new resonator in the filter. This model enhanced the bandwidth by about 145% and improved the frequency selectivity of the antenna. Other models are also designed with reduced size in comparison to the first model. The quarter-wave transformer is removed in these models and the matching is achieved by connecting the filter and antenna directly by a transmission line with adjustable length and width. Then the matching is achieved by varying the length and width of the transmission line or by adding a tunable shunt stub.
|Publisher||الجامعة الإسلامية - غزة|
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