Compact quasi-lumped hybrid coupler tunable over large frequency band

F. Ferrero, C. Luxey, R. Staraj, G. Jacquemod, V. F. Fusco

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)

Abstract

The design of a tunable hybrid coupler is presented. The structure is composed of two cascaded active quasi-lumped couplers. Over 460% bandwidth is achieved using varactor diode tuning. This circuit, which operates from 1.5 to 7 GHz, consumes virtually no DC power and its size is reduced by a ratio of five when compared to that of a classical branchline coupler.
Original languageEnglish
Pages (from-to)1030-1031
Number of pages2
JournalElectronics Letters
Volume43
DOIs
Publication statusPublished - 13 Sept 2007

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