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Embedded controller tailored for wireless test apps

Posted: 08 Jul 2009 ?? ?Print Version ?Bookmark and Share

Keywords:embedded controller? computing? processor? WiMAX?

PXI-8108 embedded controller

National Instruments has introduced the PXI-8108 embedded controller that has an Intel Core2 Duo T9400 processor, which enables high-performance computing for automated test, measurement and control systems.

The controller can be used in any PXI Express chassis to create a compact, high-performance PC-based platform for test, measurement and control applications. With its 2.53GHz dual-core processor, 800MHz DDR2 memory and 1GBps total system bandwidth, the NI PXIe-8108 is designed for advanced RF and wireless test applications, high-throughput data acquisition systems and other applications that require intensive analysis, signal or image processing.

NI reports that the PXIe-8108 delivers up to 25 percent performance improvement over similar systems based on previous-generation NI embedded controllers. This results in significantly reduced RF and wireless test times. For example, an NI WLAN Test System that incorporates the NI PXIe-8108 can deliver measurement times up to 10X faster than traditional WLAN instruments in WLAN protocol testing. Using the NI PXIe-8108, NI also has achieved similar test time reductions with other RF and wireless protocols including WiMAX, GPS, Zigbee and RFID.

The NI LabVIEW graphical system design software supports multithreaded applications and can maximize the Intel Core2 Duo T9400 processor's dual cores in the NI PXIe-8108 to separate tasks into individual threads and simultaneously execute those threads. This functionality helps engineers take advantage of the processor's computational ability to optimize processing load and reduce test times.

Meanwhile, a PXI Express system incorporating an NI PXIe-8108 embedded controller provides additional timing and synchronization features including a 100MHz differential system clock, differential signaling and differential star triggers. By using differential clocking and synchronization, PXI Express systems benefit from increased noise immunity for instrumentation clocks and the ability to transmit at higher frequency rates. With these features, PXI embedded controllers from National Instruments deliver advanced performance, longevity, reliability and fast system recovery.

In addition, engineers already using PXI-based test systems easily can upgrade their embedded controllers to take advantage of the higher-performance NI PXIe-8108. Engineers using non-PXI systems can experience greater performance improvements by transitioning to a PXI solution based on the NI PXIe-8108 embedded controller.

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