Study on the Linear Non-Complementary 2-Arm Slot Sinuous Antenna for Low Input Impedance 


Vol. 40,  No. 12, pp. 2461-2468, Dec.  2015


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  Abstract

Sinuous antenna is utilized in a number of application like direction-finding system that require ultra wideband, but because of high input impedance of the antenna, it is difficult to design low-profile antenna and balun. In this study, we used Babinet’s principle and proposed linear 2-arm slot sinuous antenna that is divided sinuous 6 cell with equal spacing between the most largest radius R₁=31.83㎜ and the smallest radius Rp= 1.7 ㎜ instead of exponential 2-arm strip sinuous antenna for 2-18[㎓] requency band to obtain low input impedance, and we have studied -10㏈ bandwidth of antenna when has been fed by 80Ω instead of 188Ω at feeder point. As a result, we have obtained return loss below than -10㏈ for about 4-18[㎓] frequency range in the case of slot antenna, but at all frequency band, return loss was above -10㏈ in the case of strip antenna.

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  Cite this article

[IEEE Style]

S. H. Yoon, "Study on the Linear Non-Complementary 2-Arm Slot Sinuous Antenna for Low Input Impedance," The Journal of Korean Institute of Communications and Information Sciences, vol. 40, no. 12, pp. 2461-2468, 2015. DOI: .

[ACM Style]

Sung Hyun Yoon. 2015. Study on the Linear Non-Complementary 2-Arm Slot Sinuous Antenna for Low Input Impedance. The Journal of Korean Institute of Communications and Information Sciences, 40, 12, (2015), 2461-2468. DOI: .

[KICS Style]

Sung Hyun Yoon, "Study on the Linear Non-Complementary 2-Arm Slot Sinuous Antenna for Low Input Impedance," The Journal of Korean Institute of Communications and Information Sciences, vol. 40, no. 12, pp. 2461-2468, 12. 2015.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880