Amplitude and Phase Controlled Reflectarray Element Based on an Impedance Transformation Unit

Tej Pochiraju, Vincent Fusco

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

An architecture to simultaneously affect both amplitude and phase control from a reflectarray element using an impedance transformation unit is demonstrated. It is shown that a wide range of control is possible from a single element, removing the conventional necessity for variable sized elements across an array in order to form a desired reflectarray far-field pattern. Parallel plate waveguide measurements for a 2.2 GHz prototype element validate the phase and amplitude variation available from the element. It is demonstrated that there is sufficient control of the element's reflection response to allow Dolph-Tschebyscheff weighting coefficients for major-lobe to side-lobe ratios of up to 36 dB to be implemented.
Original languageEnglish
Article number5153347
Pages (from-to)3821-3826
Number of pages6
JournalIEEE Transactions on Antennas and Propagation
Volume57
Issue number12
DOIs
Publication statusPublished - Dec 2009

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

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