Abstract
A novel Silva-Young type fourth-order autonomous chaotic oscillator is described. In comparison with the original nonautonomous Silva-Young circuit it lacks the external periodic driving oscillator, but includes a passive internal second-order resonant LRC circuit, inserted in the positive feedback loop. In contrast to many other nonautonomous and autonomous chaotic oscillators, the suggested circuit exhibits fairly flat power spectrum of the output signal. Hardware experimental results and numerical results are presented. Good agreement between numerical and experimental results is observed. Ill. 5, bibl. 22 (in English; abstracts in English and Lithuanian).http://dx.doi.org/10.5755/j01.eee.115.9.761
Highlights
Chaotic oscillations have been observed and intensively investigated in a variety of nonlinear electrical circuits [1, 2]
We describe both, experimentally and numerically the fourth order nonlinear circuit exhibiting unusually flat power spectrum
We have designed and built a novel Silva Young type the fourth order chaotic oscillator characterized by the spectral unevenness of less than 10 dB (Fig. 3a)
Summary
Chaotic oscillations have been observed and intensively investigated in a variety of nonlinear electrical circuits [1, 2]. Autonomous Silva Young Type Chaotic Oscillator with Flat Power Spectrum Chaotic oscillations can be generated in the third order or higher order autonomous nonlinear electrical circuits, for example oscillators described in [3 13].
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