Hamid, Mohamad Rijal and Gardner, P. and Hall, P. S. and Ghanem, F. (2011) Vivaldi with tunable narrow band rejection. Microwave and Optical Technology Letters, 53 (5). pp. 1125-1128. ISSN 0895-2477
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Official URL: http://dx.doi.org/10.1002/mop.25924
Abstract
A novel Vivaldi antenna is presented with tunable narrow band rejection characteristics within the overall operating bandwidth. A microstrip line resonator is incorporated within the Vivaldi antenna to give a narrow stop band action. Three varactors are loaded into the resonator and are used for tuning. The stop band can be activated in the frequency range between 2 and 7 GHz to give a very wide tuning ratio of 3.5:1. Good agreements between simulated and measured results are observed, which verify the design concepts.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | cognitive radio, tunable, Vivaldi antenna, wideband antenna |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Electrical Engineering |
| ID Code: | 29924 |
| Deposited By: | Yanti Mohd Shah |
| Deposited On: | 21 Apr 2013 03:37 |
| Last Modified: | 30 Oct 2020 05:13 |
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