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Appl. Sci. 2017, 7(10), 979; doi:10.3390/app7100979

3D-Printed Super-Wideband Spidron Fractal Cube Antenna with Laminated Copper

1
School of Electronic and Electrical Engineering, Sungkyunkwan University, Suwon 440-746, Korea
2
Electronic Warfare PMO, Agency for Defense Development, Daejeon 305-600, Korea
*
Author to whom correspondence should be addressed.
Received: 3 August 2017 / Revised: 4 September 2017 / Accepted: 19 September 2017 / Published: 22 September 2017
(This article belongs to the Special Issue 3D Printed Antennas)
View Full-Text   |   Download PDF [1283 KB, uploaded 25 September 2017]   |  

Abstract

In this paper, a 3D-printed super-wideband (SWB) Spidron fractal cube antenna is proposed. The Spidron fractal configuration is utilized as a self-complementary structure on each face of a 3D frame to attain SWB characteristics. The antenna is excited through a tapered microstrip balun for both mode transforming and impedance matching. A prototype of the proposed antenna, including the 3D frame fabricated with the help of a 3D printer and Spidron fractal patches made of copper tape, is experimentally verified. The measured −10 dB reflection ratio bandwidth is 34:1 (0.44–15.38 GHz). The peak gain varies from 3.42 to 9.29 dBi within the operating frequency bandwidth. The measured radiation patterns are nearly omnidirectional at all operating frequency bands. View Full-Text
Keywords: 3D-printed antenna; self-complementary; Spidron fractal; super-wideband antenna 3D-printed antenna; self-complementary; Spidron fractal; super-wideband antenna
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Kwon, O.H.; Park, W.B.; Lee, S.; Lee, J.M.; Park, Y.M.; Hwang, K.C. 3D-Printed Super-Wideband Spidron Fractal Cube Antenna with Laminated Copper. Appl. Sci. 2017, 7, 979.

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