Abstract

The dispersion characteristics of microstrip lines on magnetically anisotropic substrates are studied utilizing the Galerkin’s method in the spectral domain. Specifically, we calculate the differential phase shifts of devices consisting of Z-type (Zn2Z) and Y-type (Zn2Y) ferrites as a function of applied magnetic field. Our theoretical formulism is effective in modeling highly magnetically anisotropic materials, which are becoming increasingly important for the next generation of microwave devices. Such a theoretical treatment of anisotropic ferrite magnetic materials is presently unavailable in commercial numerical simulation tools.

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