Feedback Amplifier Interview Questions and Answers: 1. What is feedback in amplifiers? Ans. The process of combining a fraction of output energy back to the input is called the feedback. 2.…
Differential Amplifier Interview Questions and Answers: 1. What is differential amplifier? Ans. An amplifier, which is designed to amplify the difference between two input signals is called the differential amplifier. The…
Operational Amplifiers Interview Questions and Answers: 1. What is an op-amp? Ans. The name operational amplifier stems from its original use for mathematical operations (such as addition, subtraction, multiplication, differentiation and…
Operational Transconductance Amplifier (OTA) Interview Questions and Answers: 1. What is OTA ? Ans. OTA stands for operational transconductance amplifier which is a specially designed single chip voltage input, current output…
Summing, Scaling and Averaging Amplifier: The most useful of the op-amp circuits employed in analog computers is the summing amplifier circuit. This circuit can be used to add ac or…
Frequency Response of Common Mode Gain of Differential Amplifier: Low values of common-mode gain are desirable so that the circuit can reject undesirable signals that are applied equally to both…
Single Stage Amplifier Frequency Response and Phase Response Curves: The voltage gain of a single-stage transistor amplifier commences to fall off at some high frequency. This fall-off may be due…
Differential Input and Differential Output Amplifier: In almost all the applications, the op-amp is employed with a single-ended or unbalanced output. However, there are certain applications in which a differential…