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http://dx.doi.org/10.5515/KJKIEES.2010.21.3.269

Design of a 0.5~2 GHz Cavity-Backed Spiral Antenna  

Jeon, Nam-Du (Department of Radio Science & Engineering, Chungnam National University)
Shin, Dong-Hoon (Samsung Thales Co.)
Park, Dong-Chul (Department of Radio Science & Engineering, Chungnam National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.21, no.3, 2010 , pp. 269-277 More about this Journal
Abstract
In this paper, the design of a 0.5~2 GHz cavity-backed spiral antenna is described. Combined arm pattern with a log spiral in the inner region and an Archimedean spiral in the outer region, a backing cavity, and a Marchand coaxial balun for feeding are designed. Termination resistors are used to improve antenna characteristics at the lower frequency of the operation frequency. VSWR, axial ratio, gain and HPBW(Half Power Beam Width) characteristics are simulated using CST's MWS. Finally, the validity of these approaches is verified by comparing the simulated results with the measured ones. Also, the measurement results are compared with the performance of a commercial spiral antenna.
Keywords
Cavity-Backed Spiral Antenna; Marchand Balun; Termination Resistor;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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