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Microstrip Ferrite Circulator Design With Control of Magnetization Distribution

机译:微带铁氧体循环设计,控制磁化分布

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This article presents a study of the impact of different external magnetic bias field (MBF) distributions on Y-junction microstrip ferrite circulator performance. By using magnetostatic, full-wave, and circuit commercial simulation tools for a circular ferrite disk, several permanent magnet (PM) configurations are investigated for unsaturated and nonuniform bias conditions. Eigenmode simulations are used to analyze the circulator bandwidth over a range of MBF intensities. We show in simulations and experiments that different bias conditions can result in an operating frequency range from 1.5 to 7GHz using the same 9.7-mm-diameter commercial ferrite disk resonator.
机译:本文介绍了不同外部磁偏置场(MBF)分布对Y接线微带铁氧体循环性能的影响。通过对圆形铁氧体盘的磁化,全波和电路商业仿真工具,研究了几种永磁体(PM)构型以进行不饱和和不均匀的偏置条件。 eIgenMode模拟用于分析一系列MBF强度的循环带宽。我们在模拟和实验中显示了不同的偏置条件可以使用相同的9.7mm直径的商用铁氧体磁盘谐振器导致0.5至7GHz的工作频率范围。

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