Asymmetric coupled line directional coupler loaded with shunt inductors for directivity enhancement

J. H. Park, Y. Lee

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A directivity enhancement technique of shunt-inductive loading is demonstrated for asymmetric coupled line backward-wave directional couplers. Through rigorous normal-mode analysis, the exact condition for isolation zero is derived. Experimental results for a 5dB coupler at 0.9GHz show as much as 33dB improvements in the directivity over its conventional counterpart.

Original languageEnglish
Pages (from-to)425-426
Number of pages2
JournalElectronics Letters
Volume46
Issue number6
DOIs
Publication statusPublished - 2010

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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