Shirinabadi, Hossein and Ahmadi-Boroujeni, Mehdi and Arbabi, Ehsan and Mohammadpour-Aghdam, Karim (2017) Design of a printed non-planar dual-polarised log-periodic dipole array. IET Microwaves, Antennas and Propagation, 11 (4). pp. 490-494. ISSN 1751-8725. doi:10.1049/iet-map.2016.0444. https://resolver.caltech.edu/CaltechAUTHORS:20170417-141153691
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Abstract
An efficient and low cost approach to realise a non-planar dual-polarised log-periodic dipole array antenna (LPDA) using printed circuit board technology is proposed which achieves a high bandwidth and operational frequency. The proposed antenna utilises a very short transition from a coaxial cable to a balanced four-conductor transmission line to realise an ultra-wide bandwidth balun and input impedance matching. An analysis of the utilised four-conductor transmission line alongside its comparison to two-conductor transmission line of a planar LPDA is also presented. Two prototypes of the antenna operating over the frequency ranges of 1–13 GHz and 1–18 GHz were designed, fabricated, and tested. An average gain of 6.7 dBi is obtained. Measured voltage standing wave ratio, cross-polarisation and front-to-back ratio of both prototypes are better than 2.6, −14, and 22 dB respectively.
| Item Type: | Article | |||||||||
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| Additional Information: | © 2017 The Institution of Engineering and Technology. Received 27/05/2016, Accepted 18/10/2016, Published 19/10/2016. | |||||||||
| Issue or Number: | 4 | |||||||||
| DOI: | 10.1049/iet-map.2016.0444 | |||||||||
| Record Number: | CaltechAUTHORS:20170417-141153691 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20170417-141153691 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 76613 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 17 Apr 2017 21:43 | |||||||||
| Last Modified: | 15 Nov 2021 17:01 |
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