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…
Digital Communication Interview Questions and Answers: 1. What is analog communication ? Ans. Analog communication is that type of communication in which message or information signal to be transmitted is analog in nature. This means that…
Communication Channels Interview Questions and Answers: 1. What is optical communication? Ans. A system of communication in which optical carrier waves are used for transmission of information from one place to another is called as optical…
Optoelectronics Devices Interview Questions and Answers: 1.What are photonic devices? Ans. Photonic devices are those in which the basic particle of light (the photone) plays an important role. Photodetectors, solar cells and LASERS etc, are photonic…
Power Semiconductor Devices Interview Questions and Answers: 1. Give the broad classification of power semiconductor devices. Ans. Power semiconductor devices can be broadly classified into three categories viz. power diodes, thyristors and transistors. 2. Which are…
Power Converters Interview Questions and Answers: 1. What is freewheeling diode? Ans. Freewheeling diode is a bypass or commutating diode. It is connected across motor terminals to allow for dissipation of energy stored in motor inductance…
Pulse Signals Interview Questions and Answers: 1. Define periodic signal. Ans. Periodic signal is that which repeats itself at regular intervals of time. 2. What is meant by a time period of a periodic signal? Ans. Time…