Digital Signal Processor (DSP) Demodulators
Orbitals’ versatile Digital Signal Processor (DSP) demodulators provide superior performance, very low implementation loss and flexible multi-mode operation for current and future satellite formats. Digital signal processing of L and X band weather and earth observation satellite data reception.
High-Rate Demodulator
HRD-200B High-Rate Demodulator Data Sheet
Digital signal processing for demodulating EOS satellite signal formats down linked in X band.
- FPGA based software defined demodulator
- OQPSK/QPSK/BPSK demodulation up to 40 MSPS
- OQPSK/QPSK/BPSK performance within 0.2 dB of theoretical
- Built-in Viterbi decoding for FEC Encoded downlinks
- 720 MHz RF input
- -60 dBm to 0 dBm input range
- USB, RS-422, LVDS, and 50 ohm TTL clock and NRZ data outputs
- Ethernet and USB control for setup, tuning, mode selection, and status
- 2 line, 20 character LCD display for status and signal level readout
- Displays received Eb/No
- Variable root raised-cosine filters (RRC)
Low-Rate Demodulator
LRD-200B Demodulator Data Sheet
Digital signal processing for demodulating EOS satellite signal formats down linked in L band.
- QPSK/BPSK/PSK demodulation up to 3.5 MSPS
- QPSK/BPSK performance within 0.5 dB of theoretical
- Built-in Viterbi decoding for next generation downlinks
- 126 – 154 MHz RF input or 70 MHz IF input
- Selectable RF inputs and IF bandwidths for multimode flexibility
- -90 dBm to -20 dBm input range
- USB, RS-422, LVDS, TTL and 50ohm TTL clock and NRZ data outputs
- Ethernet and USB control for setup, tuning, mode selection and status
- 2 line, 20 character LCD display for status and signal level readout
- All mode polar weather receiver, rate 3/4 viterbi