Multi-Section Waveguide Diplexer

Strizhachenko, A. V.; Pogorelov, S. V.; Shulga, S. N.; Zvyagintsev, A. A.

doi:10.1615/telecomradeng.v78.i20.40

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2021

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“…By turning the resonator through 90 degree, relatively to the waveguide H-plane (Figure 1), the Qfactor can be significantly increased as compared with waveguide-dielectric resonators for which the Qfactor is 5,000 [10]- [13], [16], [17]. This is due to the fact that the electric field near the metal is "drawn" into the dielectric.…”

Section: Methodsmentioning

confidence: 99%

Narrow-band filter for satellite communication systems

Strizhachenko

Shulga

2021

IJ-ICT

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Design narrow-band compact filters, based on high-quality waveguide-dielectric resonators with anisotropic materials is the subject of this paper. Filter represents a segment of a rectangular waveguide rotated around the longitudinal axis of the waveguide 90 degrees and containing one or more dielectric inserts that completely fill the resonator along the narrow wall of the waveguide and partially along the wide one. A distinctive feature of the proposed filter is higher slope steepness of the amplitude-frequency characteristic, and high manufacturability in the centimeter range. The designed narrow-band filter satisfies contradictory requirements: it combines narrow bandwidth (≈ 0.1% of center frequency <em>f</em><sub>0</sub>) with low passband insertion loss (≤ 1 dB).

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Section: Methodsmentioning

confidence: 99%