IEEE Access (Jan 2018)

A Planar Balanced-to-Balanced Power Divider With Wideband Filtering Responses and Common-Mode Suppressions

  • Mingxing Li,
  • Yongle Wu,
  • Lingxiao Jiao,
  • Li Ma,
  • Weimin Wang,
  • Yuanan Liu

DOI
https://doi.org/10.1109/ACCESS.2018.2859230
Journal volume & issue
Vol. 6
pp. 42057 – 42065

Abstract

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In this paper, a balanced-to-balanced power divider with a wideband filtering function is proposed. The power divider is simply composed of coupled-line sections, λ/4 lines and isolation resistors, and explicit design methodology is given. From the simulated and measured results, the power divider shows 49% differential-mode filtering bandwidth with two additional transmission zeros introduced, and the common-mode transmission is suppressed below -12 dB over 141% frequency bandwidth. This power divider can be a candidate for constructing fully-balanced systems.

Keywords