---Digital Demultiplexer System


The Syrinx-Demux Digital Demultiplexer System, based on the Syrinx-DualVME card, provides from 2 to 20 fully programmable channels of FM discrimination in a single chassis. A 1U rack mount drawer unit provides keyboard, mouse, and LCD display capability for setup and operation.

The VME based system is controlled by a master CPU running Windows 2000 Operating System. Windows based Graphical User Interface (GUI) Software is provided to easily configure the system. Demodulated data is available to the user in analog format through BNC connectors or in digital format through a PCM stream generated by the Syrinx-DualVME card's PCM Frame Generator utilizing the P2 bus.

Features
– Two FM Demodulator Channels per card
– 6U VME form factor
– Fully programmable for all IRIG 106-93 FM CBW and PBW subcarriers and other non-standard channels
– Input carrier frequencies from 250 Hz to 3.5 MHz
– Selectable output filter characteristics for analog or digital data
– LRU (Line Replacement Unit) Inputs for total system checkout using external calibrator input
– Analog reconstructed output data is available on BNC connectors for easy user interface
– Digital output filter, programmable from 1 Hz to 1 MHz, can be bypassed for higher PCM data rates
– Digitally time synchronized sampled output data available for FFT analysis
– FM subcarrier deviations from 0.5% to 50% of the center frequency
– PCM generator feature creates NRZ-L or Randomized RNRZ-L output of selected demodulated data