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DSA board on PCI bus from NI with 118dB dynamic range

Posted: 01 Sep 2005 ?? ?Print Version ?Bookmark and Share

Keywords:national instruments? ni? pci-4461?

National Instruments (NI) unveiled the PCI-4461 module, which is a 24bit data acquisition and generation module that is said to mark the highest-performance dynamic signal acquisition (DSA) board on the PCI bus with a 118dB dynamic range.

The release also includes the company's LabVIEW Sound and Vibration Toolkit Version 4, with 10 new Express VIs for simplified application development.

In addition to 24bit output channels on PCI, the PCI-4461 DSA board offers two 24bit input channels, making it suitable for stimulus response applications such as audio and structural tests. Engineers can synchronize multiple PCI-4461 boards to attain four-input and four-output systems or six-input and two-output systems for applications such as simultaneous 5.1 speaker surround sound test or acoustic holography. The new board also features IEEE 1451.4 transducer electronic data sheet (TEDS) capability, which simplifies the configuration of a microphone or an accelerometer measurement.

According to the press release, the LabVIEW Sound and Vibration Toolkit 4 now is easier to use with 10 new Express VIs for interactively developing applications and generating code for fractional octave analysis, frequency response, vibration and sound level, and other common analyses. Engineers can customize applications such as integrated vibration level measurements, weighted sound level measurements, swept sine analysis, power spectrum analysis, limit testing and transient analysis.

In addition, NI said, engineers can further extend their sound and vibration analysis with the upgraded LabVIEW Order Analysis Toolkit 2.1, which features an easier-to-use application programming interface and simpler graphing options. With improved resampling and Gabor techniques for online and offline analysis capability, this toolkit is can be used in order tracking, order extraction and tachometer signal processing. Simplified visualization capabilities include orbit, polar, bode, cascade, waterfall and shaft centerline plots.




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