Modular PXIe Digitizers for wideband applications

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Harness the power of PXIe performance and modularity

All the M4x.22xx series digitizers are packaged in a dual width 3U module, which incorporates a four lane PCI-Express Generation 2 interface. The high-performance interface allows data transfer speeds in excess of 1.7 GB/s making the cards perfect for use in today’s high-performance PXIe mainframe systems.

For rapid waveform display and analysis, acquired data can be transferred to an embedded or external processor. In addition, data can be shared with other modules like arbitrary waveform generators (AWGs) to create more sophisticated capture-replay or stimulus-response, testing scenarios.

Precision and accuracy

To ensure measurement quality and repeatability, the M4x.22xx series digitizers are all optimized for dynamic performance. On-board calibration is standard and a high quality clocking system drives the 8-bit ADCs on each channel synchronously so that timing measurements are precise and inter-channel phase errors are minimized. Best in class dynamic parameters provide effective bit measurement (ENOB) as high as 7.5 bits, signal-to-noise ratio (SNR) up to an impressive 46.9 dB and spurious free dynamic range (SFDR) of over 62 dB.

The modules also incorporate the latest in FPGA-based firmware so that acquired data can be processed on-board prior to being transferred over the bus. Block averaging and block statistics packages are available for high trigger rate applications that require hardware based processing functions. Block averaging can be used to reduce signal noise and improve measurement resolution, while block statistics perform a peak detection process that yields a waveform’s maximum, minimum and average values.

Ideal for automated test

To allow easy integration into any test system, the units are shipped with a host of software tools so users can create their own control programs with almost any popular programming language. This includes C++, Visual Basic, VB.NET, C#, J#, Delphi, Java and Python code. Third party software support is also provided for LabVIEW, LabWindows and MATLAB.

For users not wanting to write software, Spectrum also offers its powerful SBench6 Pro software. SBench6 lets you control all of the digitizer’s operating modes and hardware settings from one simple, easy-to-use, graphical user interface. The software has a host of built-in features for waveform display, data analysis (such as FFT, parameters and mathematics) and documentation. Waveforms can also be stored and exported to other devices and software programs using the most popular formats such as ASCII, binary and Wave.

The M4x.22xx digitizers are available with immediate delivery. All units are shipped factory tested and include a base version of Spectrum’s SBench 6 software, support drivers for most popular programming languages and a two year manufacturer’s warranty.

Table 1. M4x.22xx Digitizer series selection table


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