Abstract
Abstract—A bidirectional high gain four-element printed dipole array for WLAN (2.4/5.8GHz) applications is analyzed and successfully implemented in this paper. Each element used is a double-side printed dipole fed with a balance twin-lead transmission line. A wide-band balun is implemented for the dipole array. Both simulated and measured data are pretty matched. According to the measured results, the bandwidth with return loss less than −10 dB is about 280MHz (2250–2530MHz) and 510MHz (5470–5980MHz) in the two operating bands, the measured gain for 2.4GHz band is between 4.5 and 5.9 dB, and 6.1–8.9 dB for 5.8GHz respectively. Good shaped patterns have also been attained by tuning parameters of the dipole array.
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