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This letter introduces two new broadband reflective phasers, one based on shunt stubs and the other one based on stepped-impedance lines, respectively. In these phasers, broad bandwidth is achieved by using electrically short ($\lambda /8$ long or less), and therefore non-resonant, transmission line sections. A corresponding design procedure is presented, and three numerical and two experimental...
A new broadband reflective phaser, which is based on shunt stubs, is presented in this paper. The proposed phaser, designed using shunt transmission-line stubs and inserted transmission line sections, exhibits a broad bandwidth. The corresponding design procedure is presented. Implementation of shunt stubs is subsequently derived based on Kuroda's Identity for mono-port circuit network. Three numerical...
A L-shaped shorted-end fed broadband slot antenna is proposed for wireless communications in this paper. The antenna is composed of a L-shaped shorted-end probe, one tapered slot. The whole antenna circuit is fabricated using the single layer FR4 substrate. The return loss of the antenna is more than 10dB over a frequency range of 1.54-2.96GHz. A dual-polarized antenna with two orthogonal antenna...
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