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128-probe spherical near-field test system

The system is equipped with a 12m*10m*10m darkroom, which realizes real-time passive pattern and automated testing.The probes are symmetrically distributed. Under normal measurement conditions, only need to rotate 180° in the horizontal direction to perform a complete 3D measurement of the measured object.

Support 400MHz to 6GHz test frequency band, the maximum antenna size is up to 3 meters, and the maximum weight is 120 kg, which can meet the measurement of electrical performance indicators of large base station antennas.



Data download

A detailed description

Detection capability

  • Axle ratio
  • Front-to-back ratio
  • Directivity
  • Down tilt
  • Sidelobe level
  • Efficiency
  • Phase center test
  • Level drop
  • Gain
  • Antenna lobe width
  • Directional map consistency
  • Zero fill
  • Beam shift
  • Antenna cross polarization ratio
  • 2D/3D pattern
  •  

Basic parameters

  • Probe qty:127+1个
  • Test frequency:400MHz - 6GHz
  • Typical dynamic range:50-70dB
  • Max size of tested object:3m
  • Max weight of tested object:120kg
  • Darkroom shielding effectiveness>100dB
  • Size of Anechoic Chamber:12m*10m*10m
  • Diameter of quiet zone(0.4GHz-6GHz):3m

Test speed

  • View direction map
  • real time
  • 3D graph test time
  • <3 minutes

 

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0757-87744743

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