4-port Microstrip Ferrite Coupled-Line Circulator

Cham Kiong Queck,Lionel E Davis

doi:10.1109/euma.2001.339072

4-port Microstrip Ferrite Coupled-Line Circulator

Cham Kiong Queck, Lionel E Davis

https://doi.org/10.1109/euma.2001.339072

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Publication Date: Oct 1, 2001

Citations: 1

Affiliation: University of Manchester

#Ferrite Coupled-Line #Hybrid Coupler + Show 8 more

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Abstract

A 4-port microstrip Ferrite Coupled-Line (FCL) circulator is designed at 11.4 GHz by cascading a longitudinally-magnetized FCL structure with a 180° hybrid coupler. A broadband 180° hybrid ring with a bandwidth of approximately 7 GHz is realised by employing stepped impedance sections on the hybrid coupler. The simulated results of the respective sections are presented in this paper. The scattering matrix of the cascaded 4-port microstrip FCL circulator is predicted using a power flow diagram.

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