Planar-fed compact circular-polarised microstrip antenna with triangular-slot loading

Michael Elsdon, Alistair Sambell, S. C. Gao, Yi Qin

Research output: Contribution to journalArticlepeer-review

Abstract

A planar-fed circular-polarised (CP) microstrip patch antenna is presented and discussed. It is demonstrated that embedding four right-angle triangular slots in a nearly square patch antenna and exciting with an offset inset feed, size reduction of up to 43% can be achieved while still maintaining planar impedance matching. The proposed design shows no significant reduction in the axial-ratio bandwidth and has relaxed manufacturing tolerances.
Original languageEnglish
Pages (from-to)226-228
JournalMicrowave and Optical Technology Letters
Volume41
Issue number3
DOIs
Publication statusPublished - May 2004

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