Generation of equivalent OTA-C Oscillators

What is it about?

The paper shows how starting from any given OTA-C oscillator, a number of other equivalent OTA-C oscillators having the same characteristic equation can be systematically generated using a nullor-based theory.

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Why is it important?

The methodology facilitates generation of alternative oscilltors which may possess features not available in the original oscillator, such as use of both grounded capacitors, availability of explicit current outputs, availability of two quadrature output voltages and/or two quadrature output currents.