Effect of Hollow Centre Post in Coupled Combline Resonators

Conference proceedings article

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Author list: Pholele TM, Chuma JM, Ngebani I

Publisher: IEEE

Place: NEW YORK

Publication year: 2017

Number of pages: 2

eISBN: 978-99949-0-401-3

Languages: English-Great Britain (EN-GB)

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Abstract

The effect of thickness of a hollow post in a combline resonator on the resonant frequency, coupling coefficients and spurious performance are analysed. It is shown that both the electric and magnetic couplings are not significantly affected by the size of the thickness of the hollow post, whereas the resonant frequency and spurious free band both change. When the thickness of the hollow post reduces the spurious free band deteriorates while the resonant frequency increases.

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