Ultra wideband planar antenna with spurline for subband rejection

Abbosh, A. M. (2008) Ultra wideband planar antenna with spurline for subband rejection. Microwave and Optical Technology Letters, 50 3: 725-728. doi:10.1002/mop.23205

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Author Abbosh, A. M.
Title Ultra wideband planar antenna with spurline for subband rejection
Journal name Microwave and Optical Technology Letters   Check publisher's open access policy
ISSN 0895-2477
Publication date 2008-03-01
Year available 2008
Sub-type Article (original research)
DOI 10.1002/mop.23205
Open Access Status Not yet assessed
Volume 50
Issue 3
Start page 725
End page 728
Total pages 4
Editor K. Chang
Place of publication USA
Publisher John Wiley & Sons Inc
Language eng
Subject C1
100505 Microwave and Millimetrewave Theory and Technology
861799 Communication Equipment not elsewhere classified
Abstract The design of a compact ultra wideband planar antenna with subband rejection capability is presented. A spurline is incorporated in the microstrip feeder of the antenna to act as a bandstop filter, hence enabling the rejection of any undesired band within the passband of the antenna. Results of a parametric investigation are presented to show effect of the spurline parameters on width of the rejected subband. The investigation shows that increasing the slot and spurline widths increases width of the rejected subband. Three samples of the proposed antenna were designed and manufactured. One of the developed antennas does not contain spurline, whereas the other two contain spurlines with different dimensions. The designed antennas feature a compact size of 25 mm × 25 mm. Results of the simulation and measurement show that the designed antennas have a bandwidth from 3 GHz to more than 11 GHz. The results also show that the use of the spurlines in the microstrip feeder of the antennas efficiently rejects any undesired subband, such as the 4.9-5.9 GHz band assigned for IEEE802.11a and HIPERLAN/2. The gain of the antennas with spurline is about 2.5 dB at the passband, while it is less than -15 dB at the rejected subband. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 725-728, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23205
Keyword planar antenna
subband rejection
ultra wideband antenna
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

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