Wideband chaotic oscillation in a self-oscillatory system with a nonlinear transmission line on magnetostatic waves

Wideband chaotic microwave oscillation in a ring self-oscillatory system is studied. The system includes a solid-state power amplifier and a wideband nonlinear transmission line with a ferromagnetic film in which magnetostatic waves of different types are excited. It is found that the eigenmodes of...

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Bibliographic Details
Published inTechnical physics Vol. 53; no. 5; pp. 620 - 628
Main Authors Grishin, S. V., Grishin, V. S., Hramov, A. E., Sharaevskii, Yu. P.
Format Journal Article
LanguageEnglish
Published Dordrecht SP MAIK Nauka/Interperiodica 01.05.2008
Subjects
Classical and Continuum Physics
Physics
Physics and Astronomy
Radiophysics
85.70.Ge
05.45.Gg
75.30.Ds
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Summary:Wideband chaotic microwave oscillation in a ring self-oscillatory system is studied. The system includes a solid-state power amplifier and a wideband nonlinear transmission line with a ferromagnetic film in which magnetostatic waves of different types are excited. It is found that the eigenmodes of the self-oscillatory system excited in the passband of the transmission line on magnetostatic waves become noisy because of spin wave parametric excitation due to the magnetostatic wave and nonlinearity of the power amplifier. A continuous spectrum of modes observed in the wideband chaotic signal is associated with the presence of a descending portion in the dynamic characteristic of the nonlinear transmission line, which arises when a magnetostatic surface wave is excited.
ISSN:1063-7842
1090-6525
DOI:10.1134/S1063784208050150