Waveguide-Coaxial Resonator With Wide-Range Frequency Tuning and Increased Q-Factor

Bilous, R. I.; Motornenko, A. P.; Skuratovskiy, I. G.; Khazov, O. I.

doi:10.1615/telecomradeng.v75.i10.30

Cited by 2 publications

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“…В [5][6][7][8][9] исследована работа дроссельного поршня в волноводно-диэлектрическом (ВДР) и волноводно-коаксиальном резонаторах (ВКР) на запредельных волноводах с колебаниями Н 111 . Там он назван резонансным КЗ-поршнем (РКЗ-поршнем).…”

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“…Это позволяет ис-пользовать РКЗ-поршень для уменьшения потерь, а следовательно, и для увеличения добротности перестраиваемого ВКР. Исследования ВДР с РКЗ-поршнем показали его высокую эффектив-ность для повышения добротности H 111 -колеба-ния в резонаторе во всем диапазоне перестройки частоты [8,9].…”

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Peculiarities of a waveguide-coaxial resonator on the TEM-oscillations with a resonance short-circuit plunger

Belous¹,

Skuratovskiy²,

Khazov³

et al. 2017

RADIOFIZ. ELEKTRON.

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Peculiarities of a waveguide-coaxial resonator on the TEM-oscillations with a resonance short-circuit plunger

Belous¹,

Skuratovskiy²,

Khazov³

et al. 2017

RADIOFIZ. ELEKTRON.

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A resonant short-circuit plunger as part of tunable waveguide-dielectric and waveguide-coaxial resonators built around cylindrical evanescent waveguides

Skuratovskiy¹,

Khazov²,

Shakhova³

2021

RADIOFIZ. ELEKTRON.

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Subject and Purpose. Tunable resonant structures make numerous microwave devices, among which are waveguide-dielectric and waveguide-coaxial resonators (WDR and WCR) built around cylindrical evanescent waveguides and involving a resonant short-circuit (RSC) plunger for tuning purposes. The present paper seeks to study specific features of the RSC-plunger operation in the evanescent waveguide and estimate the RSC-plunger efficiency. Method and Methodology. The RSC-plunger efficiency is approximately estimated in terms of the transmission line theory. Comparative experimental verification of the Q-factor increase is provided by an example of a 3 cm WDR resonator equipped with a RSC-plunger. Results. It has been shown that relevant formulae of the transmission line theory can be extended for the RSC-plunger efficiency estimation on the TEM and H11 oscillations. A possibility has been studied of the TEM type transformation to the H11 oscillation and back when the spurious resonance of the RSC-plunger falls within the WDR (WCR) tuning range. Conclusion. Insignificance of the effect that small deviations from the numerically predicted dimensions of the RSC-plunger exert on the RSC-plunger operation efficiency has been demonstrated. The RSC-plunger efficiency and a possibility to remove the spurious resonances from the resonator tuning range have been experimentally confirmed.

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Waveguide-Coaxial Resonator With Wide-Range Frequency Tuning and Increased Q-Factor

Cited by 2 publications

References 0 publications

Peculiarities of a waveguide-coaxial resonator on the TEM-oscillations with a resonance short-circuit plunger

Peculiarities of a waveguide-coaxial resonator on the TEM-oscillations with a resonance short-circuit plunger

A resonant short-circuit plunger as part of tunable waveguide-dielectric and waveguide-coaxial resonators built around cylindrical evanescent waveguides

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