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MODELING AND OPTIMIZATION OF A FERRITE STRIPLINE CIRCULATOR FOR MICROWAVE APPLICATIONS

Tokin Georgy Mikhailovich  (Postgraduate National University of Science and Technology MISIS )

Kuznetsov Sergey Fedorovich  (Federal State Budgetary Educational Institution of Higher Education MIREA – Russian Technological University)

Zhelyaleva Dinara Ramilevna  (Federal State Budgetary Educational Institution of Higher Education MIREA – Russian Technological University)

Ferrite stripline circulators are widely used in modern electronics due to their unique properties: low signal loss, high isolation, and the ability to transmit signals directionally. This paper examines the research and design of ferrite-garnet stripline circulators operating in the millimeter-wave range. The theoretical foundations of the operation of these devices are presented, and methods for analyzing magnetostatic fields and wave processes in ferrite are described. The influence of geometric structure parameters and material properties on the circulator's performance is studied. A detailed design optimization algorithm is presented, allowing for minimizing signal loss and increasing the degree of isolation between ports. Graphs of the transmission coefficient, isolation level, and insertion loss as functions of frequency are obtained. The presented formulas demonstrate the high accuracy of the developed model and confirm its applicability for the design of efficient circulating elements.

Keywords:Microstrip circulator, microwave devices, ferrite materials, ferromagnetic resonance, microstrip lines, Maxwell's equations, finite element method.
 

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Citation link:
Tokin G. M., Kuznetsov S. F., Zhelyaleva D. R. MODELING AND OPTIMIZATION OF A FERRITE STRIPLINE CIRCULATOR FOR MICROWAVE APPLICATIONS // Современная наука: актуальные проблемы теории и практики. Серия: Естественные и Технические Науки. -2026. -№01. -С. 158-162 DOI 10.37882/2223-2966.2026.01.33
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