4DSP AD484 Manuel de l'utilisateur - Page 5

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AD484 user manual
V1.2

1.3 General description

The AD484 is a high performance PMC/XMC digitizer module dedicated to digital signal
processing applications with high bandwidth and complex algorithms requirements. The
AD484 can interface to a PCI-express, PCI-X and/or PCI bus. 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. The AD484 is mechanically and
electrically compliant to the standard and specifications listed in section 1.2 of this document.
The AD484 implements a comprehensive clock circuitry that allows synchronisation 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.
Figure 1: AD484 block diagram
AD484 User manual
February 2007
www.4dsp.com
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