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Parametric Study of Ultra‐Wideband Dual Elliptically Tapered Antipodal Slot Antenna

  • Qing X
  • Chen Z
  • Chia M
International Journal of Antennas and Propagation (2008) 2008(1)
DOI: 10.1155/2008/267197
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Abstract

Parametric study of the impedance and radiation characteristics of a dual elliptically tapered antipodal slot antenna (DETASA) is undertaken in this paper. Usually, the performance of the DETASA is sensitive to the parameters, the effects of major geometry parameters of the radiators and feeding transition of the DETASA on antenna performance are investigated across the frequency range of 1–18 GHz. The information derived from this study provides guidelines for the design and optimization of the DETASAs which are widely used for UWB applications.

Figures

  • Figure 1: Geometry of a typical DETASA: (a) overall view, (b) tapered slotline radiator, and (c) feed line transition.
  • Figure 2: Comparison of simulated and measured return loss and gain of the reference DETASA shown in Figure 1; (a) return loss, (b) gain.
  • Figure 3: Comparison of simulated and measured radiation patterns of the reference DETASA shown in Figure 1; (a) E-plane, (b) H-plane.
  • Figure 4: Return loss for varying the side intercepts, a1−a2, of the slotline radiator.
  • Figure 5: Return loss for different feeding transition configuration.
  • Figure 6: Return loss for varying parallel strip lines.
  • Figure 7: Gain and cross-polarization levels for varying the length of slot taper, a1, and outer taper, a2, of the slotline radiator.
  • Figure 8: Gain and cross polarization with different ground profiles of feeding transition.

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CITATION STYLE

APA

Qing, X., Chen, Z. N., & Chia, M. Y. W. (2008). Parametric Study of Ultra‐Wideband Dual Elliptically Tapered Antipodal Slot Antenna. International Journal of Antennas and Propagation, 2008(1). https://doi.org/10.1155/2008/267197

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