Broadband circularly-polarised patch antenna with 3D meandering strip feed

Broadband circularly-polarised patch antenna with 3D meandering strip feed

A wideband single-fed circularly-polarised patch antenna is presented. It is implemented by using a 3D meandering strip to feed a square patch antenna. This antenna has very good circular-polarisation characteristics with wide axial ratio bandwidth, stable radiation patterns and high antenna gain ac...

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Veröffentlicht in:Electronics letters 2011-09, Vol.47 (19), p.1-1
Hauptverfasser: Tang, X H, Long, Y L, Wong, H, Lau, K L
Format: Artikel
Sprache:eng
Schlagworte:
Antennas
Bandwidth
Circularity
Noise levels
Patch antennas
Strip
Three dimensional
Wideband
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Zusammenfassung:A wideband single-fed circularly-polarised patch antenna is presented. It is implemented by using a 3D meandering strip to feed a square patch antenna. This antenna has very good circular-polarisation characteristics with wide axial ratio bandwidth, stable radiation patterns and high antenna gain across the operating bandwidth. Results show that the proposed antenna has an impedance bandwidth (SWR ≤ 2) of 25.2% (2.18-2.81 GHz), an axial ratio bandwidth (AR ≤ 3 dB) of 22.4% (2.18-2.73 GHz) and a peak gain of 8.2 dBic.
ISSN:0013-5194
1350-911X