Commutation in DC Motor: Commutation and commutator wear and tear of the dc motor must be given due consideration when the motor operates on solid state converters. Spark-less commutation must be aimed at. The reactance…
Commutation in DC Machine or Generator or Motor: One coil each under an adjoining pole-pair is connected between adjacent commutator segments in a lap-wound dc armature, while in a wave-wound armature the only difference is…
Commutating Capacitor in Bistable Multivibrator or Speed up Capacitor: Commutating Capacitor in Bistable Multivibrator is also called as Speed up Capacitor. Whenever a triggering pulse is applied to change the bistable state from one bistable…
Communication Receiver Block Diagram: A Communication Receiver Block Diagram is one whose main function is the reception of signals used for communications rather than for entertainment. It is a radio receiver designed to perform the…
Communication Engineering Interview Questions and Answers: 1. Define Phase Modulation. Ans. In phase modulation, the phase of the carrier varies according to amplitude variations of the modulating signal, The PM signal can be expressed mathematically…
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…
Common Source JFET Amplifier with AC Equivalent Circuit: The Common Source JFET Amplifier Circuit configuration is the most widely employed configuration. It is because this configuration provides high input impedance, good voltage gain and moderate…
Common Source Circuit Analysis: A FET Common Source Circuit Analysis is shown in Fig. 11-Â6. With the capacitors treated as ac short-circuits, the circuit input terminals are the gate and source, and the output terminals…
Common Source Power Amplifier Using an Op Amp Driver Stage: Basic Circuit Operation - The Class-AB MOSFET Power Amplifier with OP Amp Driver Stage circuit in Fig. 18-45(a) consists of an operational amplifier (A1), two…
Common Gate JFET Amplifier and its AC Equivalent Circuit: The circuit of a simple Common Gate JFET Amplifier is shown in Fig. 13.53 and its ac equivalent circuit is shown in Fig. 13.54. In this…
