Difference Between LED & LCD

One of the major difference between the LED and the LCD is that the LED uses the PN-Junction diode which emits light when the current passing through it, whereas LCD uses liquid crystal or plasma for visible light emission. The liquid crystals are filled between the glass electrode and when the power is applied across it, …

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Digital Storage Oscilloscope

Definition: The digital storage oscilloscope is defined as the oscilloscope which stores and analysis the signal digitally, i.e. in the form of 1 or 0 preferably storing them as analogue signals. The digital oscilloscope takes an input signal, store them and then display it on the screen. The digital oscilloscope has advanced features of storage, …

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Electrostatic Deflection in CRT

Definition: Electrostatic deflection is the method of aligning the path of charged particles by applying the electric field between the deflecting plates. The word electrostatic means the strength and the direction of the field changes concerning time. So that, the particles will move only in one direction. The cathode ray tube uses deflecting plates for …

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Electron Gun

Definition: Electron gun is defined as the source of focused and accelerated electron beam. It is a device used in Cathode Ray Tube for displaying the image on the phosphorous screen of CRT. The electron gun emits electrons and forms them into a beam by the help of a heater, cathode, grid, pre-accelerating, accelerating and …

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Cathode Ray Tube (CRT)

Definition: The CRT is a display screen which produces images in the form of the video signal. It is a type of vacuum tube which displays images when the electron beam through electron guns are strikes on the phosphorescent surface. In other Words, the CRT generates the beams, accelerates it at high velocity and deflect …

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Different Layouts for Substation

The substation is the part of an electrical supply system which transmits the high voltage from the generating substations to the local distribution networks. Between the generation and distribution, the voltage may vary through several substations. The different types of layout for substation are explained below in details. Typical Radial Substation In the radial substation, …

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Difference Between CFL & LED Bulbs

The major difference between the CFL and LED is that in CFL the emission of light is because of the ionisation of mercury vapour. The mercury vapour when ionise produces ultraviolet rays. These rays when collides with phosphorous coating tube generates visible light. Whereas in the LED it is because of the PN junction diode. When …

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Zener Diode

Definition: A heavily doped semiconductor diode which is designed to operate in reverse direction is known as the Zener diode. In other words, the diode which is specially designed for optimising the breakdown region is known as the Zener diode. The symbolic representation of Zener diode is shown in the figure below. Zener Diode Circuit …

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