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

Belous, R. I.; Skuratovskiy, I. G.; Khazov, O. I.; Shakhova, A. S.

doi:10.15407/rej2017.04.082

RADIOFIZ. ELEKTRON.

2017

DOI: 10.15407/rej2017.04.082

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

R. I. Belous¹,

I. G. Skuratovskiy²,

O. I. Khazov³

et al.

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2021

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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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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.

View full text Add to dashboard Cite

show abstract

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

Cited by 1 publication

References 4 publications

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

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

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