Log-Periodic patch antenna with tunable frequency
This paper describes the design and analysis of a Log-Periodic Microstrip Antenna Array operating between 3.3 Gigahertz (GHz) and 4.5 GHz. A five square patches fed by inset feed line technique are connected with a single transmission line by a log-periodic array formation. By applying five PIN Diod...
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| Main Authors: | , , |
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| Format: | Book Section |
| Published: |
IEEE
2011
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| Subjects: | |
| Online Access: | http://eprints.utm.my/id/eprint/29258/ http://ieeexplore.ieee.org |
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| Institution: | Universiti Teknologi Malaysia |
| Summary: | This paper describes the design and analysis of a Log-Periodic Microstrip Antenna Array operating between 3.3 Gigahertz (GHz) and 4.5 GHz. A five square patches fed by inset feed line technique are connected with a single transmission line by a log-periodic array formation. By applying five PIN Diodes at the transmission line with a quarter-wave length radial stub biasing, four different sub-band frequencies are configured by switching ON and OFF the PIN Diode. Simulation as well as measurement results with antenna design is presented and it shows that a good agreement in term of return loss. The simulated radiation pattern and realized gain for every sub bands also presented and discussed. |
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