Inline Waveguide Filter With Transmission Zeros Using a Modified-T-Shaped-Post Coupling Inverter - Publikacja - MOST Wiedzy

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Inline Waveguide Filter With Transmission Zeros Using a Modified-T-Shaped-Post Coupling Inverter

Abstrakt

This letter reports the design techniques for a class 2 of inline waveguide bandpass filters with sharp-rejection capabil3 ities at the lower stopband based on a novel nonlinear-frequency4 variant-coupling (NFVC) structure. The proposed NFVC consists 5 of a modified-T-shaped metallic post (MTP) that is placed at the 6 center of the waveguide broad wall with its open arms lying 7 along the waveguide width. The engineered NFVC structure 8 produces a first-order bandpass filtering transfer function with 9 a pair of transmission zeros (TZs) located below the passband 10 range. To demonstrate the usefulness of the proposed NFVC 11 inverter, a 9.9-GHz third-order inline waveguide bandpass filter 12 prototype with two TZs is developed and tested. It consists of 13 two half-wavelength cavity resonators coupled together via the 14 conceived MTP coupling structure. The measured results are in 15 close agreement with the electromagnetic (EM) simulated ones, 16 thus validating the devised waveguide filter design principle

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS nr 33, strony 145 - 148,
ISSN: 1531-1309
Język:
angielski
Rok wydania:
2023
Opis bibliograficzny:
Sandhu M. Y., Jasiński M., Lamęcki A., Gomez-Garcia R., Mrozowski M.: Inline Waveguide Filter With Transmission Zeros Using a Modified-T-Shaped-Post Coupling Inverter// IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS -Vol. 33,iss. 2 (2023), s.145-148
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1109/lmwc.2022.3208141
Źródła finansowania:
Weryfikacja:
Politechnika Gdańska

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