A differential amplifier is invariably used in the input stage of all OP-amps. This is done basically to provide the OP-amps with a very high
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Electrical Engineering · all questionsOP Amp
OP Amp
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With zero volts on both inputs, an OP-amp ideally should have an output ___________
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The tail current of a differential amplifier is .
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A differential amplifier has a differential gain of 20,000. CMRR = 80dB. The common mode gain is given by
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The use of negative feedback
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In the common mode, ___________
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The two input terminals of an opamp are labeled as
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OP-amp circuits may be cascaded without changing their input output relationships
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A common mode signal is applied to ___________
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Differential amplifiers are used in
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The input stage of an OP-amp is usually a ___________
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A certain OP-amp has bias currents of 50 µA. The input offset current is
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The output voltage Vo of the above circuit is
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For an OP-amp having differential gain Av and common mode gain Ac the CMRR is given by
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Which of the following amplifier is used in a digital to analog converter?
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The input offset current equals the ___________
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