Investigation of Broadband Printed Biconical Antenna with Tapered Balun for EMC Measurements

Abdulghafor A. Abdulhameed and Zdeněk Kubík
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Abdulghafor A. Abdulhameed: Department of Electronics and Information Technology, Faculty of Electrical Engineering, University of West Bohemia, 301 00 Pilsen, Czech Republic
Zdeněk Kubík: Department of Electronics and Information Technology, Faculty of Electrical Engineering, University of West Bohemia, 301 00 Pilsen, Czech Republic

Energies, 2021, vol. 14, issue 13, 1-15

Abstract: This article investigates the design, modeling, and fabrication of small-size (150 × 90 × 1.6 mm) broadband printed biconical antenna. The proposed antenna is intended for use a reference antenna for electromagnetic interference measurement inside the EMC chamber. The reflection coefficient (S11-parameter) is verified by modeling the equivalent circuit of the structure in terms of lumped elements. This structure offers a −10 dB impedance bandwidth (from 0.65 GHz to 2.3 GHz) with the tapered balun feeding method. Therefore, it has a high probability of estimating the electromagnetic waves emitted from several applications such as GSM, LTE, UMTS, 3G, Wi-fi, Bluetooth, ZigBee and more. The simulated standard antenna parameters are compatible with the measured parameters results. Furthermore, azimuth omnidirectional radiation pattern and well-realized gain (3.8 dBi) are achieved, reflecting good values of antenna factor compared to the commercial design.

Keywords: antenna factor; balun feeding technique; biconical antenna; EMC measurement; wideband (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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