What is Analog Signal and Digital Signal?

What is Analog Signal and Digital Signal? What is Analog Signal and Digital Signal? - In communication systems, a signal means a time varying electri­cal signal which contains all information…

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Difference between LED and LCD

Difference between LED and LCD: The Difference between LED and LCD is given in table below Light Emitting Diode - LED Liquid Crystal Display - LCD Needs more power (10-250…

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Light Emitting Materials

Light Emitting Materials: Since the eye is only sensitive to light of energy hf ≥ 1.8 eV (~ 0.7 μm), semiconductors of interest must have energy band gaps larger than this…

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Photodetectors – Definition and Applications

Photodetectors - Definition and Applications: Photodetectors are the semiconductor devices that can detect optical signals through electronic processes. The extension of coherent and incoherent light sources into the far-infrared region…

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Luminescence – Definition and Types

Luminescence - Definition and Types: When a system absorbs energy in some form or other, it may be partly re-emitted as radiation. This phenomenon is called luminescence. Luminescence may occur…

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What is Optoelectronic Devices?

What is Optoelectronic Devices? Optoelectronics is the technology that combines optics and electronics and the devices based on this technology are known as optoelectronic devices. These devices include emitters, sensors…

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What is Waveshaping? – Types

What is Waveshaping? - Types Waveshaping is a part of signal processing where the signal waveform has to be properly shaped before amplification. It may be defined as a process…

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