Journal
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
Volume 4, Issue -, Pages 237-239Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2005.852577
Keywords
Knight's helm shape antenna; printed circuit board (PCB) antenna; UWB antenna
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This letter presents a low-cost knight's helm shape double-sided printed circuit board (PCB) antenna of size 3 cm x 3 cm for ultra-wideband (UWB) application. The antenna has a return loss of more than 10 dB, constant group delay and gain flatness over the frequency range set by the Federal Communications Commission (FCC) for UWB application. Satisfactory performance was obtained using FR4 substrate, allowing low cost of production. This letter also addresses the experimental measurements of group delay and impulse response, which are commonly overlooked.
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