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http://dx.doi.org/10.7471/ikeee.2013.17.2.140

Ka-band Microstrip Antenna Fed Circular Polarized Horn Array Antenna Design  

Jung, Young-Bae (Dept. of Electronics and Control Engineering, Hanbat National University)
Publication Information
Journal of IKEEE / v.17, no.2, 2013 , pp. 140-144 More about this Journal
Abstract
This paper presents the novel design of circular polarized Ka-band horn array antenna. The element antenna of the arrya is composed of two parts, microstrip patch and square horn, and the microstrip patch is fed by corner truncated microstrip patch for circular polarization. The patch antenna has the role of a feeder and polarizer of the horn, thus the whole size of the horn antennae can be considerably reduced. The $1{\times}8$ horn array was designed and fabricated by the spacing of $0.9{\lambda}_0$ among the element horn. The element horn has typical gain of 8dBi and axial-ratio bandwidth of 4.9% at 3dB, and the minimum gain and axial-ratio bandwithd of the array is 14dBi and 8.2%.
Keywords
Waveguide; Polarizer; Horn antenna; Horn array antenna; Ka-band;
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