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AD484 4-Channel 125MSPS PMC/XMC Digitizer

Description

The AD484 is a high performance PMC/XMC digitizer module dedicated to digital signal processing applications with high bandwidth and complex algorithms requirements. In addition to four 125MSPS A/D channels, the AD484 offers fast on-board memory resources and two Virtex-4 FPGAs. Up to 4x 2.5Gbps optical transceivers for serial FPDP or gigabit Ethernet applications are available for communication with external systems (e.g., storage system). The AD484 implements a comprehensive clock circuitry that allows synchronization among the converters and cascading modules for multiple receiver systems as well as the use of an external reference clock. It provides a complete conversion solution and stands as a platform that can be part of a receive base station.


Enlarge diagram  |  Enlarge photo

Features

A/D
  • Four A/D channels, 10MHz to 125MHz sampling range
  • 14-bit data resolution
  • Custom Clock and Trigger inputs via external connectors
  • On board clock generation in steps of 0.5MHz
FPGA
  • High speed DSP processing in two Xilinx Virtex-4 ® FPGA
  • XC4VSX55, XC4VLX40, XC4VLX60, XC4VLX80, XC4VLX100 or XC4VLX160
  • XC4VFX20 or XC4VFX60 with embedded PowerPC RISC processor
  • FPGA configuration on-board storage
  • Off-the-shelf IP cores
  • FPGA firmware design services available upon request
Memory
  • 2 x 32M x 16 DDR2 SDRAM (128MB)
  • 4 x 2M x 32 QDR2 SRAM devices (32MB)
  • 128Mbit flash device
PCI interface
  • PCI-X 64-bit 133MHz, 3.3V
  • PCI-X/PCI 64/32-bit 66MHz, 3.3V
  • PCI 64/32-bit 33MHz, 3.3V
  • PMC Pn4 64 I/O connected to FPGA A
Measured sustained bandwidth
64-bit 133MHz = 760Mbytes/s
64-bit 66MHz = 450Mbytes/s
32-bit 33MHz = 120Mbytes/s

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