COM-1826 TDRSS spread-spectrum digital modem

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$925.00

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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