Compact 4-Channel DF Antenna


The DF-A0269 is a dual band, compact DF antenna intended for direction-finding from 400 MHz to 8000 MHz.brThe DF-A0269 options include low noise amplifiers on each channel with passive bypass capability, an integrated noise source or optional external signal can be used for downstream RF chain calibration as well as various navigation options.

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Frequency range 400 - 8000 MHz
Frequency bands Band C: 400 - 2000 MHz Band D: 2000 - 8000 MHz
Number of channels 4
DF method 4-channel Correlative Interferometer (CIDF)
RMS accuracy 2° RMS
Polarisation Vertical
Omni-output None
Nominal input impedance 50 O
RF Amplification Gain 20 ± 2 dB
Switching time < 100 µs using serial commands < 5 µs when using dedicated lines; < 25 µs
Navigation Integrated compass Heading accuracy 2° RMS; Integrated GPS/INS1 unit. Heading accuracy 0.3° RMS
GPS Antenna Active (L1)
Programming interface to integrated micro controller
RF calibration RF chain calibration using Integrated noise source or external applied signal
Power supply 6 - 18 V DC

    Product Applications

    Signals Intelligence
  • Radio Direction Finding
  • C-ESM
  • Electronic Countermeasures
  • Counter UAV