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Many wideband antennas have been developed over the years in order to meet such as UWB and radar applications. In this paper, we first have compared a number of broadband dipole antennas. Based on the knowledge gained, a new broadband dipole antenna on top of a conducting ground plane (a reflector) is then proposed and investigated with the aid of a commercial electromagnetic simulation package. The...
In this paper, a number of planar monopole antennas are first investigated to maximize the bandwidth with a fixed area of the radiator. This is done by changing the feed gap (the spacing between the radiator and the ground) as well as the length and width of the ground plane with the aid of a simulation package. A comparison of these antennas along with two different feed lines (microstrip and co-planar...
A compact 1:4 parallel phase shift power divider that provides equal power split to all four output ports and 900 phase difference from port 3/4 to port 2/5 over a large bandwidth is presented, which comprises two composite right/left handed(CRLH) transmission lines(TLs) in transformer, two CRLH TLs in output port 3 and port 4. The proposed CRLH power divider provides wide impedance bandwidth of 76%...
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