THEORY AND DESIGN OF A TUNABLE QUASI-LUMPED QUADRATURE COUPLER

F. Ferrero, C. Luxey, R. Staraj, G. Jacquemod, M. Yedlin, Vincent Fusco

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

In this article, we present the theory and a design methodology for a unable Quasi-Lumped Quadrature Coupler (QLQC). Because of its topology, the coupler is simply reconfigured by switching the bias of two varactor diodes via a very simple DC bias circuitry. No additional capacitors or inductors are required. A prototype at 3.5 GHz is etched on a 0.130-mm-thick layer substrate with a dielectric material of relative permittivity of 2.22. The simulated and measured scattering parameters are, presented. (c) 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 2219-2222 2009: Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24526
Original languageEnglish
Pages (from-to)2219-2222
Number of pages4
JournalMicrowave and Optical Technology Letters
Volume51
Issue number9
DOIs
Publication statusPublished - Sep 2009

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics

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