Education

Need of Modulation

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What is the need of modulation in the analog communication system Need of Modulation 1. To translate the frequency of a low-pass signal to a higher band so that the spectrum of the transmitted bandpass signal matches the bandpass characteristics of the channel. 2. For efficient transmission, it has been found that the antenna dimension […]

Difference Between Two Things

Differences between Digital and Analog Communication Systems

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Differentiate, distinguish, compare and explain what is the main differences between Digital and Analog Communication Systems. Comparison, Distinguish, and Differences between Digital and Analog Communication Systems 1. Digital system have inexpensive digital circuits. Analog communication system have expensive analog components: L&C. 2. Digital systems have privacy preserved (data encryption). Analog systems have no privacy. 3. […]