COM-1826 TDRSS spread-spectrum digital modem

  • Model: COM-1826
  • Shipping Weight: 0.5lbs


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  • TDRSS spread-spectrum digital modem
  • BPSK and SQPN spread-spectrum modulation
  • Convolutional/Viterbi error correction: K=7 Rate ½
  • Programmable 1023- (forward command link) or 2047-chip (return mode 2 link) periodic I and Q Gold codes
  • Programmable bit rates from 1 to 150 Kbits/s on each channel. Two independent bit synchronizers to acquire and track each channel bit stream.
  • 120-bin parallel code search for fast code acquisition. False code lock prevention.
  • Built-in Bit Error Rate measurement for PRBS-11 test sequences.
  • Demodulation performances: within 1.5 dB from theory at threshold Eb/No of 2 dB.
  • Demodulated bits encapsulated in UDP frames and sent out to the LAN. Support for IGMPv2 multicast addressing.
  • Module is plug-in compatible with several ComBlock modules for RF interface

This product was added to our catalog on Thursday 02 December, 2021.

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