Microstrip Arrays

Microstrip Arrays

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A single microstrip antenna utilizing an air dielectric substrate (εr ≈ 1) is able to provide a maximum gain of about 10 dBi. When larger gains are required, and a microstrip antenna solution is the best choice, a number of microstrip elements may be connected together to form an array of antennas. An array of elements provides a much larger effective aperture and therefore gain compared to a single microstrip element. This chapter will discuss elementary methods used to design microstrip antenna arrays.

Chapter Contents:

  • 6.0 Microstrip Arrays
  • 6.1 Planar Array Theory
  • 6.2 Rectangular Microstrip Antenna Array Modeled Using Slots
  • 6.3 Aperture Excitation Distribution
  • 6.4 Microstrip Array Feeding Methods
  • 6.4.1 Corporate Fed Array
  • 6.4.2 Series Fed Array
  • 6.5 Phase and Amplitude Error
  • 6.6 Mutual Coupling
  • 6.6.1 Mutual Coupling Between Square Microstrip Antennas
  • References

Inspec keywords: antenna radiation patterns; microstrip components; microstrip antenna arrays

Other keywords: microstrip elements; air dielectric substrate; microstrip antenna arrays

Subjects: Waveguide and microwave transmission line components; Antenna theory; Antenna arrays

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