Design and Implementation of a Negative Feedback Oscillator Circuit based on a Cellular Neural Network with an Opposite Sign Template

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Provided by: WSEAS
Topic: Hardware
Format: PDF
Oscillators are electronic circuits that produce periodical signals (sinusoids, square waves etc.), which play very important roles, especially in communication systems. In this paper, explicit amplitude and frequency expressions for a Cellular Neural Network with an Opposite-Sign Template (CNN-OST) under oscillation condition are derived and a novel inductorless oscillator circuit with negative feedbacks, based on this simple structure is designed and implemented. The system is capable of generating quasi-sine signals with tuneable amplitude and frequency which can't be provided at the same time in the classical oscillator circuits.
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