Differential Amplifier Interview Questions and Answers

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…

Continue Reading Differential Amplifier Interview Questions and Answers

Differential Amplifier With Three OP Amp

Differential Amplifier With Three OP Amp: Differential Amplifier With Three OP Amp, depicted in Fig. 34.47 consists of two stages—one formed by op-amps A1 and A2 and second by op-amp A3.…

Continue Reading Differential Amplifier With Three OP Amp

Differential Amplifier with two Op Amps

Differential Amplifier with two Op Amps: The gain as well as input resistance of the differential amplifier can be increased by using two op-amps. The characteristics of such an amplifier…

Continue Reading Differential Amplifier with two Op Amps

Cascaded Differential Amplifier Working Principle

Cascaded Differential Amplifier Working Principle: Cascaded Differential Amplifier Working Principle - Figure 20.53 gives an idea of how differential amplifiers can be cascaded to give an op-amp. Here the output…

Continue Reading Cascaded Differential Amplifier Working Principle