COM-1852 PCM/Bi-Phase L/CPM modem IP core


COM-1852SOFT Phase modulation modem for short-range, bi-directional, fixed or mobile radio links,
generally used to communicate among probes, landers, rovers, orbiting constellations, and orbiting relays.
The modem is fully compliant with the PROXIMITY-1 CCSDS physical layer standard

COM-1813 DVB-S2 LDPC IP core


COM-1813SOFT DVB-S2 LDPC error correction, User programmable frame size, coding rate, VL-SNR puncturing and shortening, maximum number of decoding iterations

COM-550x 10Gigabit Ethernet IP cores


Three IP cores:

  • COM-5501SOFT 10 Gigabit Ethernet MAC with XGMII or XAUI network interface. It features very low latency and small device utilization
  • COM-5502SOFT is a TCP offload engine implementing the following protocols entirely within the FPGA with no assistance from a conventional computer: IP/UDP/TCP servers/DHCP server/ARP/NDP/ICMP ping, IGMP
  • COM-5503SOFT is a TCP offload engine implementing the following protocols entirely within the FPGA with no assistance from a conventional computer: IP/UDP/TCP clients/DHCP client/ARP/NDP/ICMP ping, IGMP

COM-181xSOFT CCSDS LDPC codec IP cores


Two IP cores:

  • The COM-1811SOFT is a CCSDS-standard LDPC C2-code error correction codec, VHDL source code & IP core. Application focus: low-redundancy (rate 7/8), high-speed (50-500 Mbits/s), minimum operating Eb/No 3.7-4.0 dB. Fixed-length block size (7136,8160)
  • The COM-1812SOFT is a CCSDS-standard LDPC AR4JA error correction codec, VHDL source code & IP core. Application focus: higher-gain and redundancy (1/2, 2/3, 4/5), lower-speed (20-100 Mbits/s), minimum operating Eb/No 1.3 dB. Block sizes: 1024, 4096
  • Pure VHDL source code for easy port to a variety of FPGAs

COM-1824 Channel simulator

The COM-1824 is a real-time digital channel simulator featuring multi-path fading, white Gaussian noise, frequency translation and long propagation delay (satellite link)

  • Multi-path: Rician (some line of sight), Rayleigh (no line of sight), Lognormal shadowing
  • Precise additive White Gaussian Noise
  • Long propagation delay, up to 256 MSamples for satellite link simulation
  • Maximum sampling rate 120 MSamples/s, complex, 16-bit precision. Support for complex baseband input and IF undersampling
  • Multi-path: 16 complex baseband paths (one direct, 15 scattered or reflected paths)

COM-1827SOFT CPM modulator


  • The COM-1827SOFT CPM MOD is a continuous Phase Modulator, VHDL source code & IP core
  • VHDL source code / IP core implementing several continuous phase modulations: FSK, MSK, GFSK, GMSK, PCM/FM, SOQPSK-MIL, SOQPSK-TG
  • Flexible run-time configuration with programmable data rates (up to fclk/4)
  • Pure VHDL source code for easy port to a variety of FPGAs

COM-4009 Digital to [400MHz-4.4GHz] broadband quadrature RF modulator

The COM-4009 takes 12-bit I/Q LVDS baseband input samples and translates the center frequency anywhere in the range 400 MHz to 4.4 GHz.

  • RF synthesizer step size 5KHz or less
  • Low phase noise (-82 dBc @ 1 KHz offset, 3 GHz)
  • Agile frequency synthesizer: 200us retuning. 8 stored frequencies
  • Measures output power and temperature
  • Internal VCTCXO or external higher stability 10 MHz frequency reference
  • Connects directly to COM-1800 FPGA development platform