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Symmetrically saturated amplifiers operating in clipping mode can be used to convert a sine wave to a

(a) Square wave

(b) Pseudo Square wave

(c) Sawtooth wave

(d) Triangular wave

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This interesting question is from Amplifiers topic in section Signals and Amplifiers of Electronic Devices & Circuits

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Right choice is (b) Pseudo Square wave

Easiest explanation: Clipping circuits with low peak values of the output signals are used to generate pseudo square waves if the input signal is very large as compared to the output signal.

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