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Probe-Fed Hexagonal Ultra Wideband Antenna Using Flangeless SMA Connector

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Abstract

An ultra wideband (UWB) antenna fed through a flangeless standard SMA connector near one of the vertices of hexagonal patch is introduced here, in this paper. The designed antenna possess a half elliptical but truncated ground plane with a rectangular slot to achieve UWB with monopole radiation characteristics. The antenna prototype provides an impedance bandwidth of 8.3 GHz from 2.3 to 10.6 GHz with a WLAN band rejection of 1.6 GHz from 4.9 to 6.5 GHz. Antenna measurements show that removal of flanges modifies a C-band antenna to an UWB antenna. The demonstrated technique can be utilized to achieve ultra wideband in probe fed antenna. Measurement results match the expectations as predicted by simulation results.

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Acknowledgements

This research work is funded in part by Department of Science and Technology, India, New Delhi (Ref. No. SR/FST/ETI-346/2013).

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Correspondence to Abhishek Joshi.

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Joshi, A., Singhal, R. Probe-Fed Hexagonal Ultra Wideband Antenna Using Flangeless SMA Connector. Wireless Pers Commun 110, 973–982 (2020). https://doi.org/10.1007/s11277-019-06768-2

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Keywords

  • Hexagonal antenna
  • Monopole antenna
  • Probe-fed antenna
  • UWB antenna
  • Modified probe