Field Effect Transistors (FETs) Interview Questions and Answers: 1. What is the major difference between a bipolar and a unipolar device ? Ans. In a bipolar device, current conduction is by both majority carriers and minority…
Single Stage Transistor Amplifiers Interview Questions and Answers: 1. What is an amplifier? Ans. The device that amplifies the amplitude of the input signal is called the amplifier. An amplifier may be defined as a device…
Amplifier Frequency Response Interview Questions and Answers: 1. What is meant by frequency response of an amplifier? Ans. The frequency response is the graph of voltage gain versus input frequency. 2. What is midband range? Ans. The…
Multistage Amplifier Interview Questions and Answers: 1. Differentiate single stage and multistage amplifiers. Ans. When only one transistor with associated circuit is used for increasing the strength of a weak signal, the circuit is known as…
Large Signal or Power Amplifiers Interview Questions and Answers: 1. What is meant by power amplifier? Ans. Power amplifier is meant to raise the power level of the input signal and may be defined as a…
Tuned Amplifiers Interview Questions and Answers: 1. What is a tuned amplifier? Ans. The amplifier used for amplifying a signal of specific frequency or narrowband of frequencies is known as a tuned amplifier. 2. What is…
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. Define transconductance and transresistance amplifiers.…
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 differential amplifier is also referred…
Sinusoidal Oscillators Interview Questions and Answers: 1. What is an oscillator? Ans. Oscillator may be defined as a circuit which generates an ac output signal of very high frequency without requiring any externally applied input signal…
Modulation and Demodulation Interview Questions and Answers: 1. What is meant by communication? Ans. Communication is the process of establishing connection or link between two points for information exchange. 2. What is communication system? Ans. The electronic…