Practical Design of Fractional-Order Oscillator Employing Simple Resonator and Negative Resistor
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This contribution presents straightforward design of a fractional-order oscillator employing novel simple impedance inverter (implementing differential voltage current conveyor transconductance amplifier as active element) used for construction of parallel LC resonator and requiring also negative resistor. Design supposing two output waveforms with constant amplitude ratio and phase shift 155 degrees (–25 degrees) supposes two identical constant phase elements (fractional-order capacitors). The key advantages of our solution, stability of ratio of output levels and phase shift between generated waveforms, were confirmed by simulations.
Document typePeer reviewed
SourceInternational Congress on Ultra Modern Telecommunications and Control Systems and Workshops. 2018, p. 248-251.