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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN 印刷: 0040-2508
ISSN オンライン: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v72.i7.20
pages 569-579

A WAVEGUIDE IRIS WITH A VERTICAL STEP-SHAPED SLOT AND A BANDPASS FILTER BUILT AROUND IT

A. A. Kirilenko
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12 Academician Proskura St., Kharkiv 61085, Ukraine
S. A. Prikolotin
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine
S. L. Senkevich
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine

要約

Simple geometries of units interposed in the transverse cross-section of a rectangular waveguide are analyzed, which are capable of supporting a narrow-band total transmission resonance of the fundamental mode. The elements represent irises with a vertically oriented step-shaped slot connecting two opposite walls of the waveguide. It is shown that the resonance effect supported by such iris is based on excitation of eigenmode oscillations at complex-valued frequencies. The basic features of the dependences of the real part and Q-factor of these eigenmode oscillations on the slot geometry are considered. A three-section bandpass filter is synthesized using irises with step-shaped slots as the of resonators.


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