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Appendix D - Antenna topics

Appendix D - Antenna topics

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This Appendix discusses various topics associated with antennas, including: the Friis transmission formula, wireless link range versus power input, decibels, antenna gain and directivity, attenuation and voltage standing wave ratio, return loss and reflection loss, and attenuators.

Chapter Contents:

  • D.1 Friis transmission formula
  • D.2 Wireless link range versus power input
  • D.3 Decibels
  • D.3.1 Historical origin of the decibel (dB)
  • D.4 Antenna gain and directivity
  • D.5 Attenuation and voltage standing wave ratio
  • D.5.1 Example 1
  • D.5.2 Example 2
  • D.6 Return Loss and Reflection Loss
  • D.7 Attenuators
  • D.7.1 Example 3
  • References

Inspec keywords: radio links; antenna theory

Other keywords: wireless link range versus power input; attenuators; antenna gain; attenuation; reflection loss; voltage standing wave ratio; Friis transmission formula; directivity; return loss; decibels

Subjects: Single antennas; Antenna theory

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