Coupled chaotic colpitts oscillators: Identical and mismatched cases

被引：18
|
作者：
Baziliauskas, A.
Krivickas, R.
Tamasevicius, A.
机构：
[1] Kaunas Univ Technol, Fac Telecommun & Elect, Dept Signal Proc, LT-51368 Kaunas, Lithuania
[2] Inst Semicond Phys, LT-01108 Vilnius, Lithuania
来源：
NONLINEAR DYNAMICS | 2006年 / 44卷 / 1-4期
关键词：
chaos; Colpitts oscillator; electronics; nonlinear dynamics; synchronization;
D O I：
10.1007/s11071-006-1959-8
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
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.
引用
收藏
页码：151 / 158
页数：8
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