Ici R1. R3. R4 o-VEE (a) R2 Ici Q3 R1 R3 R4 o -VEE (b) Figure P15.143

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Q: b. For the circuit shown in Figure 4, if Rc = 8 KN, RL = 8KN, Rn=1KN, IB = 100 µA and Ic = 10 mA,…

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Q: a. When the voltage gain of Figure 1 is at maximum what is its frequency? b. When freq→ 0 what is…

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Operational Amplifier

An operational amplifier also called op amp is an integrated circuit or analog circuit that takes input as a differential voltage and produces output as a single-ended voltage. It is an IC that can amplify weak electric signals.An op amp has one output pin and two input pins. The basic role of an opamp is to amplify the voltage difference between the two input voltages. It is also used in filtering or to perform mathematical operations or in signal conditioning.