Abstract
The preliminary results of experimental investigations of chaotic oscillations from Chua's circuit at high frequencies are reported. The double-scroll Chua's attractor with the usual set of LC-circuit parameters was observed at 100 KHz. A new region in the parameter space of Chua's circuit was discovered where the double-scroll Chua's attractor exists which allows an increase in the working frequency of up to 300 KHz. The highest central frequency f = 7.65 MHz of a chaotic oscillation was obtained for the case of Chua's circuit with a one-mode coaxial resonator. The ergodic torus and resonant tori with different rational Poincaré rotation numbers are observed. The possibility for obtaining from Chua's circuit the spread spectrum chaotic signals was shown.
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