Dually magnetised stripline ferrite coupled line (FCL) section

Queck, Cham Kiong; Davis, L.E.

doi:10.1049/el:20030289

Cited by 6 publications

(4 citation statements)

References 5 publications

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“…Next, it was presented in microstrip configuration [29,30] with applications of isolators [31,32] and circulator [33]. Also, FCL was realized in stripline configuration [34] with circulator applications [35,36]. FCL was presented as a slotline configuration [37].…”

Section: Introductionmentioning

confidence: 99%

A Broadband CPW-FCL Gyrator

Abdalla¹,

Hu²

2022

PIER C

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In this paper, a novel wideband gyrator based on a ferrite coupled line design approach and realized in coplanar waveguide configuration is presented. The ferrite coupled lines are proved to demonstrate typical unique properties. The design of the optimum coupled lines has shown an almost 1 dB/3 dB insertion loss for even/odd modes excitation respectively. Also, for single excitation, the power is divided at output ports with insertion loss almost equal to 3 dB and 5 dB, good matching and isolation between output ports (less than −15 dB). The bandwidth of the designed coupler is proved over the bandwidth of 7 GHz-11 GHz. As an application, a novel gyrator is introduced and covers the same coupler bandwidth. The performance of the gyrator is optimized using full-wave simulations.

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Section: Introductionmentioning

confidence: 99%

A Broadband CPW-FCL Gyrator

Abdalla¹,

Hu²

2022

PIER C

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“…Ferrite coupled line and FCL circulators have been reported with a low insertion loss of 0.5 dB, large isolation of À15 dB, and a wide bandwidth of 50 GHz [5][6][7]. They have attracted attention recently owing to the many advantages they offer over junction circulators [5][6][7]. First, FCL circulators utilise ferrites disks with in-plane magnetisation, thus only a weak bias magnetic field is needed.…”

mentioning

confidence: 99%

“…First, FCL circulators utilise ferrites disks with in-plane magnetisation, thus only a weak bias magnetic field is needed. Secondly, FCL circulators have very large bandwidth [5][6][7].…”

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confidence: 99%

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Integrated metal magnetic film coupled line circulators for monolithic microwave integrated circuits

et al. 2007

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A new structure of integrated planar metal magnetic film coupled line (MMFCL) circulators is presented, in which a metal magnetic film is used instead of ferrite materials. Simulation was performed with HFSS based on coupled-mode theory. An insertion loss of 4 dB and isolation of À13.5 dB between S 21 and S 12 over a frequency band of 3 GHz (from 36.5 to 39.5 GHz) were realised for a three-port MMFCL circulator.

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Butterfly-shape Folding of a Ferrite Coupled Line

Queck¹,

Davis

2006

2006 European Microwave Conference

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Dually magnetised stripline ferrite coupled line (FCL) section

Cited by 6 publications

References 5 publications

A Broadband CPW-FCL Gyrator

A Broadband CPW-FCL Gyrator

Integrated metal magnetic film coupled line circulators for monolithic microwave integrated circuits

Butterfly-shape Folding of a Ferrite Coupled Line

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