A Compact, Single-Layer Substrate Integrated Waveguide (SIW) Cavity-Backed Active Antenna Oscillator

Francesco Giuppi, Apostolos Georgiadis, Ana Collado, Maurizio Bozzi

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

This letter presents the design and implementation of a single-layer, cavity-backed antenna oscillator based on substrate integrated waveguide (SIW) technology. The proposed antenna topology is particularly suitable for two-dimensional array configurations. The active circuit and the radiator are placed on opposite sides of the substrate and within the cavity area, allowing for a compact implementation. An X-band prototype was designed and fabricated, and it features frequency-tuning capability introduced by employing a varactor diode in the active circuit. The measurements showed 11.87-12.36 GHz tuning range, phase noise better than -107 dBc/Hz at 1 MHz offset, and 7% DC-to-RF conversion efficiency.

Original languageEnglish
Pages (from-to)431-433
Number of pages3
JournalIEEE Antennas and Wireless Propagation Letters
Volume11
DOIs
Publication statusPublished - 2012

Keywords

  • Active antenna
  • antenna oscillator
  • cavity-backed antenna
  • substrate integrated waveguide SIW
  • ARRAY APPLICATIONS

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