A power and efficiency measurement technique for active patch antennas

Elmahdi A. Elkhazmi, Neil J. McEwan, Nazar T. Ali

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

In this paper, the power input to the radiating element of an active microstrip patch antenna is measured using a small sensing patch, which is weakly coupled to a radiating edge. Combined with an estimate of patch radiation efficiency, this also yields a measurement of total radiated power. The method has advantages of convenience, insensitivity to room reflections, and a weakly frequency-dependent calibration factor.

Original languageBritish English
Pages (from-to)868-870
Number of pages3
JournalIEEE Transactions on Microwave Theory and Techniques
Volume48
Issue number5
DOIs
StatePublished - 1 May 2000

Keywords

  • Active antennas
  • Antenna measurements
  • Microstrip antennas

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