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A dielectric resonator antenna (DRA) was produced using a circular high permittivity bismuth substituted barium hexaferrite material. The theoretical resonant frequency was found to be 9.09GHz for the HE11δ mode. S-parameters for the system located resonant frequencies at 6.6GHz, 9.55GHz and 13.6GHz. Radiation patterns for the DRA were measured at operating frequencies of 6.615GHz and 13...
High frequency dielectric characterization of bismuth substituted barium hexaferrite (BaBixFe12 − xO19 0.0 ≤ x ≤ 1.5) was performed over the frequency range 45MHz – 25GHz using an open ended coaxial probe. Results are presented for the real and imaginary parts of permittivity with respect to frequency and also for permittivity with respect to sample composition at a fixed frequency of 2.45GHz. A maximum...
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