A broadband antenna for PCN/UMTS applications
2000
A printed wide slot antenna fed by a novel feeding mechanism consisting of a printed bow tie feed placed within the slot aperture and metal baffles between the slot ground plane and a grounded back plane allow this antenna to operate over more than an octave bandwidth with a VSWR<2. Special features of the slot antenna design are its small slot ground plane (1/spl lambda//sub 0/ /spl times/1/spl lambda//sub 0/) and small back ground plane (2/spl lambda//sub 0//spl times/2/spl lambda//sub 0/). The cross polarisation level of the antenna lies between -22 dB and -36 dB, over the frequency range and the average gain of the antenna is 4.5 dBi.
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