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Pentek VIM-2 module eyes compute-intensive engines

Posted: 28 Jul 2004 ?? ?Print Version ?Bookmark and Share

Keywords:pentek? adc? virtex-ii pro? fpga? vim-2 module?

Pentek Inc. developed a high-performance, software radio front-end with two 105MHz 14-bit ADCs and two user-configurable Virtex-II Pro FPGAs.

The VIM-2 module targets compute-intensive engines found in applications such as real-time wideband processing, radar and wireless. Up to two Model 6256s can be mounted on the VIM baseboards featuring Texas Instruments' C6000s or Motorola's G4 PowerPCs while maintaining a single-slot configuration. The single-slot, dual 6256 combination boasts four A/D channels and 24 million FPGA gates. It also offers a second-slot option to increase the number of A/D channels to up to eight without requiring an additional baseboard.

"By boosting the base system to four A/D channels with the power of the Virtex-II Pro FPGAs, we offer our customers the highest-density board in the industry," said Rodger Hosking, VP of Pentek. "Plus, the 6256 system configurations are extremely flexible, allowing two to eight A/D channels and 12 to 24 million FPGA gates, depending on the needs of the user. This allows customers to pay only for what they need in their system."

In addition, the Model 6256 can be easily combined with a multitude of compatible COTS (commercial-off-the-shelf) PMC and VIM I/O modules, including high-speed ADCs, DACs, digital upconverters, digital downconverters and various digital I/O modules such as FPDP-II.

Featuring Xilinx Virtex-II Pro Model XC2VP20 and XC2VP50 FPGAs, the 6256 includes factory-installed functions for data formatting, channel selection, timing and triggering with ample room for custom configurations or off-the-shelf FPGA algorithms. The product includes 84 interconnects between the two FPGAs to boost internal data communications, and supports dedicated FPGA paths from each A/D pair to allow for more efficient and faster processing.

Model 6256 FPGAs are each equipped with 64MB SDRAM connected with separate address and data buses, allowing independent access from each FPGA. This SDRAM supports digital delay and transient data capture functions, which are critical for many real-time applications. It is priced at $7,195.

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