A 100% Bandwidth Microstrip Antenna with Stable Endfire Radiation Patterns for Phased Array Applications

This paper presents a novel microstrip antenna design with an enhanced impedance bandwidth and stable radiation characteristics. The presented antenna provides more than 100% impedance bandwidth from 5.7 GHz to 17.3 GHz. This wide bandwidth is realized by using multi-resonance radiators of wideband characteristics. The use of multi-resonators not only improves the bandwidth but also results in stable radiation patterns in the entire operating band

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