NI Rolls Out PXI Module with Precise Synchronization

2/18/2004 - Engineers and scientists now can use the new National Instruments PXI-6653 timing and synchronization module to build high-channel-count systems with up to 40,000 channels and improve single-chassis system timing.

The timing and synchronization module offers clock generation and signal routing for multichassis synchronization of high-channel-count systems. The module also offers tight synchronization between modules in a single PXI chassis. It features onboard routing of clock, PXI trigger and star trigger signals; can import and export a high-stability reference; and generates precise clocks with 711 nHz resolution. The PXI-6653 module simplifies system development and improves accuracy by eliminating issues with cable length matching and propagation delays that challenge traditional rack-and-stack test systems.

The NI PXI-6653 module is ideal for automotive, ATE, military/aerospace, control and scientific research applications that require acquisition or generation of many tightly synchronized channels, such as acquisition from an antenna array, acoustic holography and structural testing. The module works with a variety of development software including NI LabVIEW and NI LabWindows/CVI. It also works seamlessly with all PXI hardware including the NI PXI 100 MS/s mixed-signal suite.

About National Instruments
National Instruments ( is a technology pioneer and leader in virtual instrumentation -- a revolutionary concept that has changed the way engineers and scientists approach measurement and automation. Leveraging the PC and its related technologies, virtual instrumentation increases productivity and lowers costs for customers worldwide through easy-to-integrate software, such as the NI LabVIEW graphical development environment, and modular hardware, such as PXI modules for data acquisition, instrument control and machine vision. Headquartered in Austin, Texas, NI has more than 3,000 employees and direct operations in 40 countries.

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