B. Determine the overall gain of cascaded amplifier with the following specifications: a. 3- cascaded amplifiers with CC as the first, 2nd and 3rd stage is CE b. 1st stage has a gain of 1, 2nd stage has a gain of 150, and 3rd stage has 150 c. Source resistance is 10 ohms and load resistance is 10,000 ohms d. Impedance values are as follows Input (ohms) 10,000 Output (ohms) Amplifier/Impedances 1st stage 2nd stage 3rd stage 500 1000 10,000 1000 20,000

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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.