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2.3-2.4 GHz 8-Element Active Phased-Array Antenna. Project Objective. Radiation Pattern Steering. Develop an electronically steered, phased-array antenna prototype with sufficient RF signal gain and beam steering capability to track and receive data from a distant airborne transmitter.

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2.3-2.4 GHz 8-Element Active Phased-Array Antenna

Project Objective

Radiation Pattern Steering

  • Develop an electronically steered, phased-array antenna prototype with sufficient RF signal gain and beam steering capability to track and receive data from a distant airborne transmitter.
  • Additional design requirements included:
  • Minimum footprint
  • Mobile application DC power constraints
  • Extremely short project timeline (< 6 Months)

Nominal 90° Setting

Electronic Steering Applied

Array E-theta -3dB Beamwidth = 24.9 °

Array E-phi -3dB Beamwidth = 71.3°

Directivity = 13.1 dB

System Block Diagram

Prototype Hardware

Input from Antenna

2.3-2.4 GHz BPF – 3rd Order

Output Amplifier

Variable Attenuator

Low Noise Amplifier 1

Antenna Element PCB

Variable Phase Shifters

Low Noise Amplifier 2

2.3-2.4 GHz BPF – 5th Order

051804