8-element S-band Digital Beamformer

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  • 8-patch antenna elements arranged in 2 rows x 4 columns
  • Patch antenna element dimensions 23.71 x 23.71 x 7.35 (L x W x H, in mm)
  • 70.5mm element spacing
  • RF front-end tuned for S-band (Tx: 2.67-2.69GHz, Rx: 2.5-2.52GHz or 2.56-2.59GHz)
  • Supports interface with 50kHz (near ZIF) or 70MHz IF signals
  • Maximum channel bandwidth of 15kHz at 50kHz IF and 200kHz at 70MHz IF
  • Tx/Rx boresight gain better than 15dBi
  • Tx/Rx side lobe specification as per ITU-R Rec S 580-5
  • -136dBm receive sensitivity
  • Receiver coherent combining gain of up to 9dB SNR
  • Dynamic beam steering for mobility using on-board tilt sensor/ compass (HMC6343) and GPS receiver (NEO-M8)
  • Qty. 4 AD9361 RF transceivers and Spartan-6 XC6SLX100 FPGA based solution