Large Signal or Power Amplifiers Articles: Classification of Power Amplifiers: Classification of Power Amplifiers are primarily divided into two categories viz. audio power amplifiers and radio power amplifiers. Audio power…
Feedback Amplifiers Articles: Voltage Amplifier – Definition and Equivalent Circuit: Voltage amplifiers are intended to amplify an input voltage signal and provide an output voltage signal. The voltage amplifiers is…
Differential Amplifiers Articles: Dual Input Balanced Output Differential Amplifier: The dual input balanced output differential amplifier configuÂration is shown in Fig. 20.2. In the given circuit two input signals vin1…
Magnetic Amplifier - Working Principle and Applications: In a magnetic amplifier, the basic component is a steel-cored coil with an additional winding energized by direct current. It is intended for…
Amplidyne (Rotary Amplifier) - Definition, Construction, Connection Diagram, Workings and Applications: The amplidyne is a rotary amplifier in which a small amount of power supplied to excite the field is…
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…
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.…
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,…