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Chaos in the Colpitts oscillator

机译:科尔皮兹振荡器中的混沌

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摘要

In this work, we present experimental results and SPICE simulations of chaos in a Colpitts oscillator. We show that the nonlinear dynamics of this oscillator may be modeled by a third-order autonomous continuous-time circuit consisting of a linear inductor, two linear capacitors, two linear resistors, two independent voltage sources, a linear current-controlled current source, and a single voltage-controlled nonlinear resistor. The nonlinear resistor has a two-segment piecewise-linear DP characteristic. With the appropriate choice of parameters, the piecewise-linear circuit model has a positive Lyapunov exponent
机译:在这项工作中,我们介绍了Colpitts振荡器中的混沌实验结果和SPICE模拟。我们表明,该振荡器的非线性动力学可以由三阶自治连续时间电路建模,该电路由一个线性电感器,两个线性电容器,两个线性电阻器,两个独立电压源,一个线性电流控制电流源和一个压控非线性电阻。非线性电阻具有两段式分段线性DP特性。通过适当选择参数,分段线性电路模型具有正的Lyapunov指数

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