Transmission Errors
Transmission Errors No physical medium can guarantee error-free transmission of data. Errors occur because of interference from the environment surrounding the transmission medium or because of artifacts introduced by the…
Colour Signal Transmission
Colour Signal Transmission Colour Signal Transmission: The colour video signal contains two independent pieces of information, that of hue and saturation. It is a difficult matter to modulate them to…
Solid-State Image Scanners
Solid-State Image Scanners Solid-State Image Scanners: The operation of solid-state image scanners is based on the functioning of charge-coupled devices (CCDs) which is a new concept in metal-oxide-semiconductor (MOS) circuitry.…
Plotter | Types – Drum Plotter, Flatbed Plotter
Plotter A plotter is a computer printing device for printing vector graphics. In the past, plotters were widely used in applications such as computer-aided design, though they have generally been…
Emitter-Coupled Logic (ECL)
Emitter-Coupled Logic (ECL) Emitter-Coupled Logic (ECL): The ECL family is the fastest logic family in the group of bipolar logic families. The characteristic features that give this logic family its…
Tunable Optical Filters
Tunable Optical Filters Tunable optical filters are active components that are mostly used at the receiver end of a WDM system. As the name suggests, its main function is to…
Thermocouple
Thermocouple A thermocouple consists of a pair of dissimilar conductors welded or fused together at one end to form the hot or measuring junction with other ends available for connection…
Comparison between Hydraulic and Pneumatic Systems
Comparison between Hydraulic and Pneumatic Systems In this post, the Comparison between Hydraulic and Pneumatic Systems is given in the tabular form. But before the table learns some basic definitions,…
Transmission Losses in Optical Fiber Cable
Transmission Losses Various types of optical signal transmission losses in optical fiber cables result in less output power than required, thereby reducing the overall system capacity, net transmission bandwidth, transmission…
Stepper Motor : Types, Uses and Working Principle
Stepper Motor A special type of synchronous motor designed to rotate through a specific angle for each electrical pulse applied is known as a stepper motor. The specific angle through…