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The paper considers a new electric diagram of the microelectronic self-excited oscillator based on the bipolar transistor structure with negative resistance. The oscillator operates in oscillatory and relaxation modes. Chaotic mode of the self-excited oscillator was provided by installing additional components into a basic circuit. Results of the deterministic chaos microelectronic oscillator simulation...
In the paper a deterministic chaos oscillator based on a bipolar and field-effect transistor structure with negative resistance is proposed and examined. A modified mathematical model of Anishchenko-Astakhov is proposed for describing the chaotic oscillation dynamics. The results of mathematical modelling and experimental research are obtained.
In the paper the results of theoretical and experimental researches of the chaos oscillator with inertial non-linearity based on a bipolar transistor structure with negative resistance are given. The dynamic processes in such oscillator are shown to be described with the Anishchenko-Astakhov mathematical model. Numerical simulation results are confirmed with experimental data.
This paper introduces the replacement of four and six resistors with four and six memristors at the same time for the modified single input Op-Amps oscillator. The full independency between the oscillation condition and the oscillation frequency facilitates the study. Mathematical analysis is provided for the double replacement of resistors with memristors. The whole range of operation of the memristor...
This paper studies the influence of different implementation methods of a simple control algorithm over the chaotic behavior of a specified circuit. Two new methods are presented: one is using a microcontroller and the other is using logical gates. The article also presents a unique approach to modelling a negative resistance as simple as possible, closely resembling a proposed mathematical dependency.
An Operational Transresistance amplifier (OTRA) based sinusoidal oscillator is proposed. This oscillator circuit provides independent control on frequency and condition of oscillation. The oscillator circuit is insensitive to parasitic input capacitances due to internally grounded terminals of OTRA. PSPICE simulations have been given to verify the theoretical analysis.
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