An operational amplifier circuit with feedback enters a chaotic regime. Why does the output waveform exhibit a sudden shift in behavior, demonstrating bifurcation?

💡 Explanation

Bifurcation occurs because the system's nonlinearity reaches a threshold where its qualitative behavior changes abruptly, thus causing the output to switch between distinct states or patterns. Therefore, the parameter exceeds its critical value rather than clipping or noise dominating the behavior.

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