Nonlinear Dynamics

, Volume 44, Issue 1–4, pp 151–158 | Cite as

Coupled Chaotic Colpitts Oscillators: Identical and Mismatched Cases



A system consisting of two linearly coupled chaotic Colpitts oscillators is considered. Two different coupling configurations, namely coupled collector nodes (C–C) and coupled emitter nodes (E–E) have been investigated. In addition to identical oscillators the case of mismatched circuits has been studied. Specifically the influence of the transistor parameter mismatch has been analyzed. The relative synchronization error has been estimated for different mismatch levels provided the coupling coefficient is twice larger than the synchronization threshold. Illustrative experimental results, including phase portraits and synchronization error are presented.

Key Words

chaos Colpitts oscillator electronics nonlinear dynamics synchronization 


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Copyright information

© Springer Science + Business Media, Inc. 2006

Authors and Affiliations

  • A. Baziliauskas
    • 1
  • R. Krivickas
    • 1
  • A. Tamaševičius
    • 2
  1. 1.Department of Signal Processing, Faculty of Telecommunications and ElectronicsKaunas University of TechnologyKaunasLithuania
  2. 2.Semiconductor Physics InstituteVilniusLithuania

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