Geodesic
A miniaturized antipodal Vivaldi antenna based on magnetodielectric materials
Proceedings of the Yerevan State University. Physical and mathematical sciences, Tome 56 (2022) no. 2, pp. 74-84.

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The miniaturization of antipodal Vivaldi antenna (AVA) based on high dielectric constant and magnetodielectric ferrite materials is studied. The basic parameters of antipodal Vivaldi antenna based on high dielectric and magnetodielectric materials (MDM) are compared. To miniaturize antenna size by higher factor it is used MDM ferrite with $\varepsilon_r=\mu_r=8$ paremeters. The analysis shows that MDM based Vivaldi surface minimizes 4 times as compared with air-based Vivaldi antenna. The sizes of AVA are $120 \times 120 \times 1$ (mm).
Keywords: miniaturization, electrically small antenna, ultrawideband antenna, magnetodielectric material, ferrite.
Mots-clés : antipodal Vivaldi antenna 
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A. H. Stepanyan; H. S. Haroyan. A  miniaturized antipodal Vivaldi antenna based on magnetodielectric materials. Proceedings of the Yerevan State University. Physical and mathematical sciences, Tome 56 (2022) no. 2, pp. 74-84. http://geodesic.mathdoc.fr/item/UZERU_2022_56_2_a4/

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