Basic Electronics Engineering | Electronic Communication Systems by Pavan | Learn Smarter
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Electronic Communication Systems

The chapter discusses the essential components and functionalities of electronic communication systems, covering various modulation techniques, transmission media, and the architecture of mobile communication systems. It emphasizes the importance of modulation for efficient signal transmission and highlights the structures of AM and FM modulation schemes as well as cellular communication concepts, including GSM systems.

Sections

  • 1

    Elements Of A Communication System

    This section covers the three primary components of a communication system: the transmitter, transmission channel, and receiver.

    Learning Practice

  • 2

    Ieee Frequency Spectrum

    The IEEE Frequency Spectrum categorizes different frequency bands and their applications in communication systems.

    Learning Practice

  • 3

    Transmission Media

    This section covers the different types of transmission media used in communication systems, including wired and wireless technologies.

    Learning Practice

  • 3.1

    Wired Media

    This section covers the types of wired media used in electronic communication systems, including twisted pair cables, coaxial cables, and optical fibers.

    Learning Practice

  • 3.2

    Wireless Media

    This section discusses various wireless media types that facilitate communication, including radio waves, microwaves, and infrared.

    Learning Practice

  • 4

    Need For Modulation

    Modulation is essential in communication systems to efficiently transmit signals over long distances, improve range, and reduce noise interference.

    Learning Practice

  • 5

    Am And Fm Modulation Schemes

    This section discusses Amplitude Modulation (AM) and Frequency Modulation (FM), comparing their characteristics and applications.

    Learning Practice

  • 5.1

    Am (Amplitude Modulation)

    Amplitude Modulation (AM) is a method of varying the amplitude of a carrier wave to encode information, primarily used in AM radio broadcasting.

    Learning Practice

  • 5.2

    Fm (Frequency Modulation)

    Frequency Modulation (FM) is a modulation technique that varies the frequency of a carrier wave to transmit information, providing better noise immunity compared to Amplitude Modulation (AM).

    Learning Practice

  • 6

    Mobile Communication Systems

    This section introduces mobile communication systems focusing on the cellular concept and the GSM system architecture.

    Learning Practice

  • 6.1

    Cellular Concept

    The Cellular Concept divides geographical areas into hexagonal cells, each served by its base station, enabling frequency reuse for efficient spectrum utilization.

    Learning Practice

  • 6.2

    Gsm System (Global System For Mobile Communications)

    The GSM system outlines the essential components required for mobile communications, facilitating voice and data services.

    Learning Practice

References

Module V_ Electronic Communication Systems.pdf

Class Notes

Memorization

What we have learnt

  • A communication system cons...
  • Modulation is crucial for e...
  • AM and FM are key modulatio...

Final Test

Revision Tests