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NI PXI-5922 digitizer available in PCI version

Posted: 20 Apr 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Design engineer? test engineer? PCI? National Instruments? PXI-5922?

PXI-5922 flexible-resolution <a href=digitizer" ALIGN="RIGHT">

Design and test engineers can use the new PCI version of National Instruments' (NI's) PXI-5922 flexible-resolution digitizer, also known as a PC-based oscilloscope, to make a wide range of dynamic measurements.

According to NI, the PXI-5922 digitizer provides the highest dynamic range of any digitizer on the market. This universal instrument with unprecedented dynamic performance and flexibility is now available in a PCI form factor for applications in a variety of industries including communications, semiconductor, biomedical and ultrasonic nondestructive test, added the company.

Unlike traditional oscilloscopes and other PC-based digitizers with fixed resolution for all sample rates, the 5922 digitizers use the NI Flex II ADC, which has flexible, user-defined resolution and can sample anywhere from 24 bits at 500kSps to 16 bits at 15MSps. The Flex II ADC is an enhanced multi-bit delta-sigma converter that incorporates patented techniques to reduce harmonics caused by nonlinearity that is inherent to multi-bit converters. This results in an unprecedented dynamic range at even high sample rates, which design and test engineers can use to directly digitize low-level signals without the need for external signal conditioning, such as filters and low-noise amplifiers. Reduced signal conditioning improves measurement accuracy and reliability while also saving test system development time and cost.

As with other NI digitizers, engineers can use the new flexible-resolution digitizers with arbitrary waveform generators and digital waveform generator/analyzers to build mixed-signal applications at any stage in a product's developmentfrom design and validation to manufacturing test.




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