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Very Compact Printed Triple Band-Notched UWB Antenna With Quarter-Wavelength Slots

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3 Author(s)
Dang Trang Nguyen ; Division of Electronics and Electrical Engineering, Dongguk University, Seoul, Korea ; Dong Hyun Lee ; Hyun Chang Park

A very compact coplanar waveguide (CPW)-fed ultrawideband (UWB) printed monopole antenna (PMA) with triple band-notched characteristics is presented. The antenna uses three open-ended quarter-wavelength slots to create triple band-notched characteristics in 3.3-3.7 GHz for WiMAX, 5.15-5.825 GHz for WLAN, and 7.25-7.75 GHz for downlink of X-band satellite communication systems, respectively. The open-ended quarter-wavelength slot is analyzed in detail. Surface current distributions are used to show the effect of these slots. The antenna shows broad bandwidth and good omnidirectional radiation patterns in the passband, with a very compact size of 19 × 24 mm2.

Published in:

IEEE Antennas and Wireless Propagation Letters  (Volume:11 )