• The Lucix radiation hard Software Defined Radios provide efficient high order modulation schemes, QPSK and 8-PSK modulation, or custom waveforms.
  • Optimized for volume and cost targets often associated with LEO constellation missions; can also be delivered with GEO long-life screening.
  • High speed Gbit data in multiple frequency bands: Ka, K, S, X, L
  • High data rate up to 1 Gbit/s High symbol rates up to 400Msps.
  • High-speed DSP with ADC/DAC sample rates up to 5Gsps.
  • Supports custom waveforms
  • Frequency adjustable over a 1GHz range
  • 10GbE Ethernet interface
  • Radiation tolerant; radiation tolerant boot loader
  • On orbit firmware upgradable
  • Time stamping / ranging capability

Examples

SDR_5 (w480)

NEXUS-400 SDR

Technical Specifications

NEXUS-400 SDR:

Transmit Center Frequency Ka, K, Ku, X, S, L
Modular frequency converters; other frequencies / bands can be supported as needed.
Typical Transmit Power -20 to 0 dBm
Software adjustable in 1dB steps
Physical Interface 2.92mm connector
Receive Center Frequency Ka, Ku, X, S, L
Modular frequency converters; other frequencies / bands can be supported as needed.
Receive Dynamic Range -100 to -40 dBm
Receiver Noise Figure < 3dB
For drive levels <-60dBm.
Physical Interface 2.92mm connector
Data Formatting, Coding, and Modulation / Demodulation Symbol rate 10 – 400 Msps
Constellations QPSK, 8-PSK, 16AQPSK, 32AQPSK
Per DVB-S2 standard. Custom waveforms can be supported.
DVB-S2 Frames Short and normal frames
FEC coding LDPC 1/2, LDPC 2/3, LDPC 8/9
RRC Filter roll-off factor 0.2, 0.25, 0.35
Implementation loss <1dB of theoretical
Timing source External 10MHz + 1PPS
Baseband data interface 10GbE
Electrical Input voltage Typical for LEO: 26 – 30VDC
Modular power supply can support other bus voltages
Input power 75W peak
Mechanical and Environmental Dimensions 9.0 in x 8.7 in x 3.0 in
Weight 9.4 lbs (4.25 kg)
Operating Temperature Range -25C to +61C