Wideband high-gain circularly polarized stacked microstrip antennas with an optimized C-type feed and a short horn

Nasimuddin*, Karu P. Esselle, A. K. Verma

*Corresponding author for this work

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

A new technique is developed to increase the axial ratio (AR) bandwidth of circularly polarized stacked microstrip antennas (CPSMAs) to about 15.0% by optimizing the location of the C-type single feed and a few other parameters. The stacked microstrip antenna with a quasi-planar surface-mounted short horn (SMSH) has achieved 13 dBi gain, 15.5% 3 dB AR bandwidth, 0.37 dB minimum AR and 25.0% impedance bandwidth. The measured gain is more than 11.5 dBic over the impedance bandwidth. The proposed technique simplifies the design of wideband circularly polarized antenna for medium to high gain applications.

Original languageEnglish
Pages (from-to)578-581
Number of pages4
JournalIEEE Transactions on Antennas and Propagation
Volume56
Issue number2
DOIs
Publication statusPublished - Feb 2008

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