Abstract
We examine both theoretically and experimentally the possibility of miniaturization of planar microstrip dipole antennas of small electric dimensions. The antennas are made from high-temperature superconductors. The dependence of the matching conditions and the bandwidth on the design and geometrical features of the antennas is analyzed. It is shown that a superconductor antenna of size L≅(0.05–0.1)λ can have about 100% efficiency and a bandwidth of 0.2–2%. We propose a miniature microstrip antenna of dimensions 11 mm×11 mm for the frequency band 1.3 GHz. Measurements of the radio characteristics of the copper mockup of the antenna confirmed the efficiency of the optimization.
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Radiophysical Research Institute, Institute of Physics of Microstructures of the Russian Academy of Sciences, Nizhny Novgorod, Russia. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 42, No. 2, pp. 158–167, February 1999.
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Abramov, V.N., Reznik, S.N. Miniaturization of the superconductor dipole antenna. Radiophys Quantum Electron 42, 141–149 (1999). https://doi.org/10.1007/BF02677553
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DOI: https://doi.org/10.1007/BF02677553