This simulation shows the operation of a Schmitt Trigger using an op-amp with positive feedback. The orange waveform represents a noisy sine wave input signal, while the green waveform shows the clean digital output. As the input rises and crosses the upper threshold voltage, the output instantly switches to 5V. When the input drops below the lower threshold, the output flips to -5V. This hysteresis behavior ensures that small fluctuations or noise in the input do not cause unwanted switching. T

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