Majid, H. A. and A. Rahim, Mohamad Kamal and Hamid, Mohamad Rijal and Ismail, F. (2012) Frequency and pattern reconfigurable Yagi antenna. Journal of Electromagnetic Waves and Applications, 26 (2-3). pp. 379-389. ISSN 0920-5071
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Official URL: https://www.tandfonline.com/doi/abs/10.1163/156939...
Abstract
A novel frequency and pattern reconfigurable Yagi antenna is proposed. The antenna is formed by a driver, a reflector and two directors. The introduction of switches using a PIN diode at the arms of the driver element produces three switchable frequencies at 1.25 GHz, 1.85 GHz and 2.45 GHz. By controlling the switches at the directors and reflector, the radiation pattern can be configured to near omni-directional pattern or directional pattern at those three frequencies. Simulated and measured results are used to demonstrate the performance of the antenna. The simulated and measured return losses and the radiation patterns, are presented and compared. It was found that the gain of the antenna increases from 3.3 dB to 5 dB in a directional pattern, when compared to the near omni-directional pattern.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Yagi antenna, radiation pattern |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Electrical Engineering |
| ID Code: | 33670 |
| Deposited By: | Fazli Masari |
| Deposited On: | 06 Sep 2013 08:47 |
| Last Modified: | 14 Oct 2018 08:19 |
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