Braking System in Train: Braking System in Train has number of advantages over mechanical braking. It reduces wear and tear on rails and wheels, substantially increasing their life. It is…
Electric Traction Services: Electric Traction Services can be broadly classified as: Electric Trains. Electric buses, trams (or tramways) and trolleys. Battery driven and solar powered vehicles. Electric Trains: Electric trains…
Motor Design Parameters: Different parts of a load may be coupled through different mechanisms, such as gears, V-belts and crankshaft. These parts may have different speeds and different types of…
Television System Articles: Introduction to Television: Introduction to Television tells first thing of seeing at a distance. To be successful, a television system may be required to reproduce faithfully: The…
Color Picture Tube Working: A Color Picture Tube Working requires correct sweep currents, input voltages and drive voltages. Having said this very quickly, it is now a good idea to…
Monochrome Television Receiver Block Diagram: Monochrome Television Receiver Block Diagram as shown in Figure 17-9, TV receivers use the superheterodyne principle. There is extensive pulse circuitry, to ensure that the…
Monochrome Television Transmitter: As shown in the block diagram of Figure 17-2, a Monochrome Television Transmitter system is quite unlike any of the transmission systems studied previously. This section will…
Television Systems and Standards: It is clear that a large amount of information must be broadcast by a television transmitter and that there are a variety of ways in which…