A coplanar waveguide fed two arm archimedean spiral slot antenna with improved bandwidth

O Ahmad Mashaal, S K A Rahim, A Y Abdulrahman, M I Sabran, M S A Rani, Peter Hall

Research output: Contribution to journalArticlepeer-review

39 Citations (Scopus)

Abstract

A compact wideband circularly polarized (CP) printed antenna design is presented in this communication. The proposed antenna consists of two Archimedean spiral slots, loaded with two chip resistors and fed by a coplanar waveguide (CPW) transmission line. The antenna is situated in one plane and fed without using an external balun or a matching network. The antenna has wideband input impedance bandwidth with circular polarization (CP), and broad beamwidth radiation pattern over 1.6:1 bandwidth. The study has shown that the proposed antenna is capable of improving the CP bandwidth and reducing the overall antenna size.
Original languageEnglish
Article number6338270
Pages (from-to)939-943
JournalIEEE Transactions on Antennas and Propagation
Volume61
Issue number2
DOIs
Publication statusPublished - Feb 2013

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