The art of power dividing: A review for state-of-the-art planar power dividers

In this paper, massive state-of-the-art planar power dividers are presented and discussed. The innovations of these superiorly-performanced power dividers lie in the performance breakthrough, physical configurations and function integrations. Eventually, based on the trend presented, the future of the power dividers is predicted. This paper might have inspiration significance to illuminate the way for the development of power dividers.