Engineering, 02.12.2019 22:31 brokegirlyy
Aparticular inverting amplifier with nominal gain of −100 v/v uses an imperfect op amp in conjunction with 100-k and 10-m resistors. the output voltage is found to be +5.3 v when measured with the input open and +5 v with the input grounded. (a) what is the bias current of this amplifier? in what direction does it flow? (b) estimate the value of the input offset voltage. (c) a10-mresistor is connected between the positive-input terminal and ground. with the input left floating (disconnected), the output dc voltage is measured to be −0.6 v. estimate the input offset current.
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