The RDM023 (VME) / RDM203 (PCI) Digital IF Receiver is an integrated solution consisting of an IF Signal Processor, 3 Demodulators, 2 Bit Synchronizers and 2 Frame Synchronizers contained on a single slot 6U VME/PCI card. Available in both VME and PCI form factors, this state-of-the art module provides a compact, cost competitive, flexible solution to a wide variety of communications link scenarios.

The RDM selects one of two inputs for processing. The input frequencies from 1 kHz to 180 MHz are demodulated. Depending upon specific user requirements, a choice of 4 input filters are available. The demodulation process as well as baseband bit synchronization process is totally performed in the digital domain. Signal acquisition is performed by scanning the IF within the programmed acquisition band centered about the selected Carrier frequency. PM / PSK waveforms are additionally scanned for acquisition at the subcarrier frequencies. Once signal acquisition is complete, synchronized signal tracking is performed whereby continuous validation of the lock state is maintained.

A variety of FEC decoders are available and two fully programmable frame synchronizers are included. Data is output via Byte aligned Ethernet, TTL or RS422 ports.