Two-stage chaotic Colpitts oscillator |
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Authors: | Tamasevicius A Mykolaitis G Bumeliene S Cenys A Anagnostopoulos AN Lindberg E |
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Affiliation: | Semicond.. Phys. Inst., Vilnius; |
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Abstract: | A novel version of the chaotic Colpitts oscillator is proposed. It contains two bipolar junction transistors coupled in series. The resonance loop consists of an inductor and three capacitors. The two-stage oscillator, compared with the classical circuit, enables the fundamental frequency of chaotic oscillations to be increased by a factor of three. The PSpice simulations performed with 9 GHz threshold frequency transistors demonstrate that the highest fundamental frequencies of chaotic behaviour are 1 and 3 GHz for the classical and the two-stage Colpitts oscillator, respectively |
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