What is the difference between small signal analysis to that for large signal anaysis

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Small signal analysis is linear and deals with small variations around an operating point, while large signal analysis is nonlinear and deals with large variations.

Small signal analysis assumes that the circuit is linear and that the input signal is small enough to not affect the operating point of the circuit.
Large signal analysis deals with nonlinear circuits and assumes that the input signal is large enough to affect the operating point of the circuit.
Small signal analysis is used to analyze the frequency response of a circuit, while large signal analysis is used to analyze the distortion of a circuit.
Small signal analysis is used in amplifier design, while large signal analysis is used in power electronics.
Small signal analysis is also known as linear analysis, while large signal analysis is also known as nonlinear analysis.

What is the difference between small signal analysis to that for large signal anaysis

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