MAXIMUM BANDWIDTH PERFORMANCE FOR AN IDEAL LUMPED-ELEMENT CIRCULATOR | Zendy

Hang Dong | Zendy; Jeffrey L. Young | Zendy; Jacob Smith | Zendy; Brandon Aldecoa | Zendy

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MAXIMUM BANDWIDTH PERFORMANCE FOR AN IDEAL LUMPED-ELEMENT CIRCULATOR

Author(s) -

Hang Dong,

Jeffrey L. Young,

Jacob Smith,

Brandon Aldecoa

Publication year - 2012

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

ISSN - 1937-8718

DOI - 10.2528/pierc12082307

Subject(s) - circulator , ideal (ethics) , bandwidth (computing) , fractional bandwidth , control theory (sociology) , physics , mathematics , electronic engineering , electrical engineering , computer science , engineering , telecommunications , band pass filter , political science , law , control (management) , artificial intelligence

A procedure based on the analytical model of a lumped- element, crossover circulator has been developed to maximize its operating bandwidth. The procedure considers the circulator as a network and employs the circulation impedance | the load associated with perfect circulation | as a metric to optimize the bandwidth. Using this procedure, we flnd that a maximum 194% bandwidth can be obtained for an ideal circulator for above-FMR operation. When the same procedure is applied using a simulation model for the 225{ 400MHz frequency range, we achieve 125% bandwidth. We have verifled this result from the measurement of a fabricated device; the measured data reveals a bandwidth of 129%.

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