RADIO PHYSICS AND RADIO ASTRONOMY

The synchronous operation of Van Der Pole generator with the low-frequency modulated natural frequency has been investigated. The presence of low-frequency modulation is shown to lead to formation of additional synchronization regions. The appearance of such regions is found to be caused by threefrequency resonances resulted from the interaction between oscillations of the generator natural frequency, modulation frequency and synchronized signal frequency. Characteristics of synchronous oscillations due to the below mentioned three-frequency interaction are obtained and comparison with the case of synchronization of oscillator on the main mode made.

Key words: synchronization, oscillator, auto-oscillations, generator, region of synchronization

Manuscript submitted 21.07.2015

Radio phys. radio astron. 2015, 20(4): 340-347

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