The manuscript presents an equation-based method for achieving the desired end coupling in combline microwave cavity filters. The equations are based on the formula for the resonant frequency of a lumped LC circuit and a simple relationship between the external quality factor and the height of the pin feeding the end resonator. The algorithm is tested on a combline microwave cavity filter for the E1 Galileo band.
An Equation-based Method for the Design of End Couplings in Combline Microwave Cavity Filters / Boni, Enrico; Giannetti, Giacomo; Maddio, Stefano; Pelosi, Giuseppe. - ELETTRONICO. - (2023), pp. 1473-1474. (Intervento presentato al convegno 2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI) tenutosi a Portland, OR, USA nel 23-28 July 2023) [10.1109/USNC-URSI52151.2023.10237496].
An Equation-based Method for the Design of End Couplings in Combline Microwave Cavity Filters
Boni, Enrico;Giannetti, Giacomo
;Maddio, Stefano;Pelosi, Giuseppe
2023
Abstract
The manuscript presents an equation-based method for achieving the desired end coupling in combline microwave cavity filters. The equations are based on the formula for the resonant frequency of a lumped LC circuit and a simple relationship between the external quality factor and the height of the pin feeding the end resonator. The algorithm is tested on a combline microwave cavity filter for the E1 Galileo band.
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