科研之友
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摘要
Design of a compact microstrip-fed ultra-wideband antenna suitable for USB dongle and other such space constraint applications is presented. The structure consists of a pentagonal monopole element and a modified ground plane that gives an impedance bandwidth from 2.8 to 12 GHz. Radiation patterns are stable and omnidirectional throughout the band with an average gain of 2.84 dBi. The antenna occupies only 11 x 30 mm(2) on FR4 substrate with permittivity 4.4.
- 出版日期2010-10
