Abstract

A tri-band Wilkinson power divider is presented in this paper. The quarter-wavelength transformer in a conventional Wilkinson power divider is substituted by a pair of two-section transmission line and a coupled line in between. The design procedure for tri-band operation can be obtained by even-and odd- modes analysis. A tri-band Wilkinson power divider was designed and implemented on an FR4 printed circuit board. The measured data verified the tri-band Wilkinson power divider good consistency with the simulation results. The proposed design could be used for multiband communication systems.

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