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Transmission Basics

  Transmission-basics Telecommunication signals are transmitted by line or wireless system. The line transmission system comprise electrical conducting medium or optical fiber and electronics devices […]

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FM Frequency Modulation

Frequency MHz   Frequency Modulation FM FM (frequency modulation) is a method in which the frequency of a carrier signal is changed according to the […]

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PCM Pulse Code Modulation

Pulse Code Modulation Pulse code modulation (PCM) is a method of converting analog signals into digital signals. Quantizing is of fundamental importance in this process.PCM […]

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Noise

General Noise General Nois  it’s broadest definition, consists of any undesired signal in a communication circuit. The subject of  noise reduction is probably the most […]

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Modulation

th Modulation  Modulation used to move the intelligence signal to the frequency band of the transmission channel. This  done high-frequency waveform (carrier) to carry the […]