Multicircuit Model of a Multifunctional Heteromagnetic Oscillator



Multipurpose oscillation modes of signals of various kinds and spectral compositions in a HMG arise at work of FMCR in an unsaturated nonlinear mode. In this case, the ferrite magnetization is nonuniform; the sample is separated into small ( ∼ 10 μm) domains. The structure of these domains essentially depends on the material, shape, and sizes of the sample, an external magnetizing field [18]. Nonlinear effects in the ferrite are shown from power levels of the order of 0. 1–1 mW. The resonant frequencies of FMCR depend on the saturation magnetization of the ferrite, the field of anisotropy, the orientation in an external constant magnetic field, the kind of polarization of the high-frequency magnetic field exciting oscillations of the magnetization vector in the ferrite. Modeling of interaction of FMCR with a high-frequency magnetic field of a semi-conductor structure in unsaturated nonlinear modes was conducted: On low (milliwatt) power levels. For various saturation magnetizations 4πM s and orientations φ of FMCR in the magnetic field. At raised power levels (hundred mW–several W). The properties of FMCR in the modes of absorption and passage of signals were investigated.


Bifurcation Curve Nonlinear Element Equivalent Parameter Ferrite Sample External Constant Magnetic Field 
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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • Alexander A. Ignatiev
    • 1
  • Alexander V. Lyashenko
    • 2
  1. 1.Department of PhysicsSaratov State UniversitySaratovRussia
  2. 2.Open Society “Tantal”SaratovRussia

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