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In this talk, we will propose a filter-integrated method to improve the stability of the radiation patterns of the compact planar UWB antenna, especially increasing the broadside realized gain values at the higher portion of the UWB frequency range. As is known, with the rapid development of UWB technology for commercial communication applications, many practical applications, such as portable devices,...
A compact planar monopole antenna with dimensions of 34mm × 25mm × 1.6mm, which could provide an ultra-wide impedance bandwidth with the range from 2.40 GHz to 11.88 GHz is presented in this paper. The antenna consists of a small-sized ground plane, a hexagonal radiating patch, and two L-shaped parasitic strips close to the microstrip-line. Resorting to the two parasitic strips, two additional resonant...
In this paper, a novel Ultrawideband (UWB) planer antenna with tunable band-notch characteristics is proposed. By changing the bias voltage applied to the varactors, the band-notch frequency center could be easily adjusted accordingly. The simulation results indicate that, when the effective capacitance of the varactor changed from 1 pF to 0.1 p F, the frequency center can be shifted from 3.32 GHz...
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