A compact wideband ring mixer utilizing a pair of PLANAR transitions for phase inversion

Wahab Mohyuddin, Young Gon Kim, Dong Sik Woo, Hyun Chul Choi, Kang Wook Kim

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

A new design of a compact wideband ring mixer is introduced in this article. The proposed mixer utilizes a compact ring structure comprising a pair of ultra-wideband planar in-phase and inverted-phase transitions as a mixer balun. The implemented mixer has a number of desirable features such as wide bandwidth (∼120%), compact size, excellent port-to-port isolations, and return loss. The size of the proposed mixer is 33.2% of the conventional single-balanced ring mixers. The measured results show flat conversion loss of ∼8.5 dB and greater than 20 dB port-to-port isolation from 3 to 12 GHz.

Original languageEnglish
Pages (from-to)1919-1922
Number of pages4
JournalMicrowave and Optical Technology Letters
Volume56
Issue number8
DOIs
StatePublished - Aug 2014

Keywords

  • microwave mixers
  • planar transitions
  • ring hybrid coupler
  • Schottky diodes
  • wideband

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