Electronic Communication Articles: This Electronic Communication Articles which includes the following topics: Principles of Communication Systems Need of Modulation in Communication System Bandwidth Requirement in Communication System External Noise in…
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…
Environmental Engineering Interview Questions and Answers: 1. Define Environment. Ans. The physical, chemical and biological presence of living and non-living things outside an individual species is called as its environment.…
Monochrome TV Transmitter - Block Diagram and its Workings: The term monochrome stands for black and white. Thus a monochrome TV system does not process variations of colour in a…
Diode Clamping Circuit - Positive and Negative Clamping: Diode Clamping Circuit - A circuit that places either the +ve or -ve peak of a signal at a desired level is…
What is Focusing Device in Cathode Ray Oscilloscope and why it is required? Because of the mutual repulsion between the electrons, the convergent beam coming out from the accelerating anode…
Voltage Multipliers - Voltage Doublers, Triplers and Quadruplers Voltage multipliers is a modified capacitor filter circuit that delivers a dc voltage twice or more times of the peak value (amplitude)…
Television Horizontal Deflection Circuit: The function performed by these circuits is exactly the same as already described for the vertical deflection circuits. There are some practical differences. The major one…