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The ETB-194 Quadrature Oscillator Trainer is a precision educational kit designed to generate two sinusoidal signals that are exactly 90 degrees out of phase with each other. This model is widely used in communication systems, modulation techniques, and vector signal analysis where quadrature signals are essential. Built with high-quality operational amplifiers, the setup allows users to clearly understand the working principle of a quadrature oscillator circuit. It enables hands-on experimentation with sine wave generation, oscillator frequency control, and phase difference observation using standard test equipment like an oscilloscope. This trainer is ideal for students and researchers in electronics and communication engineering, helping them master the fundamentals of signal generation and phase manipulation. Key Features:
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