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PCIe card allows data streaming to or from PC

Posted: 11 Jan 2008 ?? ?Print Version ?Bookmark and Share

Keywords:PCIe? data streaming? memory card?

Strategic Test has introduced the UF2e-7005 Digital Bit Stream PCIe card with 16 channels that can all be set to either input or output with a maximum clock rate of 125MHz. According to the company, what makes this card unique is that it is possible to use only 1, 2, 4, 8 or 16 channels and use all of the available card memory. Also, when using fewer channels, it is possible to stream the data to or from a PC at higher rates than usual, allowing much longer signals to be recorded or generated.

"While a number of high-speed digital input and output boards are available, these typically provide 16 or 32 fixed channels and as a consequence map the entire available card memory to these channels," commented Bob Giblett, president of Strategic Test. "For applications that require recording or playback on fewer channels, this effectively wastes expensive card memory or requires more memory to be purchased in order to achieve a specific recording or playback duration."

Expandable to 4Gbytes
The UF2e-7005 is equipped with 64Mbytes memory as standard, but can be expanded to 4Gbytes. This enables signals to be recorded or generated for periods of up to 16s on 16 channels at 125MHz and to 262s when using just one channel.

For many applications, it will not be necessary to purchase additional memory as the signal data can be streamed to or from the host PC. As the PCIe x1 bus has a maximum continuous transfer rate of 120MBps, this means 8bits or less can be streamed at just less than the maximum clock rate, while 4, 2 or 1 channels can be streamed at the maximum rate. Due to the serial bus nature of PCIe, every card can operate at this rate, unlike the 66MHz/33Mhz PCI bus where the bandwidth is shared between multiple cards or attached motherboard devices.

Strategic Test provides comprehensive software support with the following software development kits (SDKs) available: Windows Vista and XP64, XP, 2000, NT and 98; Linux drivers for RedHat, Suse; Fedora and Debian; Matlab; LabVIEW; Agilent-VEE; LabWindows/CVI; and, DASYLab.

Prices for the UF2e-7005 start at $3,790. This includes a signal cable, MS Windows and Linux SDKs, program source code examples, two-year warranty and lifetime support and SDK updates.




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