A Wilkinson Divider Having Selective Function of Power Divider or Balun

This paper presents the conceptual design of a Wilkinson divider which has additional balun function. The wellknown structure of Wilkinson power dividers is combined with SPDT (single pole double throw) switches and a phase converting structure. Dual functions as power divider and balun are obtained by switching the path of output signal to the proper port. The conceptual design of the divider/balun is verified with the required power division ratio, port matching, isolation, and phase characteristics according to the switching status.