Chapter 4. Radio Frequency Signal and Antenna Concepts

IN THIS CHAPTER, YOU WILL LEARN ABOUT THE FOLLOWING:

  • Active and passive gain

  • Azimuth and elevation charts (antenna radiation envelopes)

  • Interpreting polar charts

  • Beamwidth

  • Antenna types

    • Omnidirectional antennas

    • Semidirectional antennas

    • Highly directional antennas

    • Phased array antennas

    • Sector antennas

  • Visual line of sight

  • RF line of sight

  • Fresnel zone

  • Earth bulge

  • Antenna polarization

  • Antenna diversity

  • Multiple-input multiple-output (MIMO)

  • Antenna connection and installation

    • Voltage standing wave ratio (VSWR)

    • Signal loss

    • Antenna mounting

  • Antenna accessories

    • Cables

    • Connectors

    • Splitters

    • Amplifiers

    • Attenuators

    • Lightning arrestors

    • Grounding rods and wires

This chapter focuses on the categories and types of antennas and the different ...

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