Design and fabrication of 2-way Wilkinson power divider for dual operating frequencies

This paper presents design and fabrication of 2-way Wilkinson power divider (WPD) for dual operating frequency. This WPD use dual operating frequencies on 2.4GHz and 4.928GHz. In this WPD, two branches of impedance transformer and the output ports are shunted with parallel connection of a resistor (R), an inductor (L) and a capacitor (C). Simulation and measurement results of this WPD design are shown by the graphs of insertion loss (S₂₁ and S₃₁), return loss both of input and output (S₁₁, S₂₂ and S₃₃) and also isolation between the output ports (S₃₂). Based on the simulation and measurement results, this WPD have a better insertion loss and isolation, and also produce a better return loss of input and output ports for operating on the both frequencies of 2.4GHz and 4.928GHz.