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Consider an inverting amplifier with a nominal gain of 1000 constructed from an op amp with an input offset voltage of 3 mV and with output saturation levels of ±10 V. What is (approximately) the peak sine-wave input signal that can be applied without output clipping?

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Consider an inverting amplifier with a nominal gain of 1000 constructed from an op amp with an input offset voltage of 3 mV and with output saturation levels of ±10 V. What is (approximately) the peak sine-wave input signal that can be applied without output clipping?

(a) 7 mV

(b) 10 mV

(c) 13 mV

(d) 9mV

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Origin of the question is DC Imperfections in Operational Amplifiers topic in portion Operational Amplifiers of Electronic Devices & Circuits

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The correct choice is (a) 7 mV

Easiest explanation: The maximum that can be sent without clipping is 10V – 1000 X 3mV or 7V.

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