NI Rolls Out 200 MS/s PXI Digitizer and Arbitrary Waveform Generator

8/20/2004 - National Instruments announced two 200 MS/s modular instruments that extend the company’s mixed-signal measurement capabilities. The new modules, based on the company’s Synchronization and Memory Core (SMC), double the available sample rate and memory depth of the company’s digitizer and arbitrary waveform generator product families. When combined with National Instruments precision DC, RF and high-speed digital PXI instruments, the new modules are ideal for a variety of applications in consumer electronics, semiconductor, military/avionics and scientific research.

“Due to increasing production throughput and better accuracy requirements, we chose National Instruments modular instrumentation along with MicroLEX Systems VideoMASTER software for our camera test and calibration,” said Deepak Murji, senior test engineer for Baxall Ltd. “Based on our extensive evaluation and the comparison to traditional test methods, we can obtain more than 25 percent higher throughput and calibrate our products with higher accuracy.”

The NI PXI-5124 12-bit, dual-channel digitizer and the NI PXI-5422 16-bit arbitrary waveform generator use the latest commercial semiconductors to extend the SMC architecture by increasing sample rates to 200 MS/s and memory depth to 512 MB per channel. The new modules bring the advantages of NI modular instruments to an even broader set of applications by delivering world-class accuracy, flexibility and tight integration of mixed-signal I/O. The PXI-5124 digitizer offers 75 dBc spurious-free dynamic range (SFDR) and 150 MHz bandwidth, while the PXI-5422 arbitrary waveform generator delivers less than 6 percent pulse aberration and a 1.8 nanosecond rise time.

Design and test engineers can use the new 200 MS/s digitizer and arbitrary waveform generator to quickly build stimulus/response systems anywhere in a product’s development flow using the new NI SignalExpress interactive measurement software as well as LabVIEW 7.1 and NI TestStand test management software. With the Express technology available in each of these software packages, engineers can interactively configure the digitizer and arbitrary waveform generator with little programming, offering much faster system setup. Engineers can customize their measurement systems with the more than 400 measurement and analysis functions including spectral measurements and analog and digital modulation available in LabVIEW 7.1.

All NI mixed-signal modular instruments are built on the common SMC architecture, so they tightly synchronize with other SMC-based instruments, such as the NI PXI-6552 100 MHz digital waveform generator/analyzer. With module-to-module jitter of less than 20 picoseconds rms, the synchronization of the SMC makes high-performance mixed-signal or high-channel-count measurement systems possible. In addition, both new modules can import external sample clocks, reference clocks and triggers through front panel connectors or the PXI trigger bus.

About NI Modular Instruments
NI modular instrumentation combines high-performance hardware, flexible software and innovative timing and synchronization technology for test and design applications. NI modular instrumentation includes:

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 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 3,100 employees and direct operations in 40 countries. In 2003, the company sold products to more than 25,000 companies in 90 countries. For the past five years, FORTUNE magazine named NI one of the 100 best companies to work for in America.

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