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This simulation demonstrates a multi-stage waveform generator built using op-amps, producing triangle, sine, and square waves simultaneously. The first op-amp stage acts as an integrator, converting a square wave into a linear ramp, creating the triangle waveform. The second stage shapes the triangle wave into a clean sine wave using filtering and amplitude control. Another stage generates a square wave by comparing the sine or triangle waveform against a threshold, resulting in sharp transition