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Dual-channel scope card supports Linux

Dec 13, 2007 — by Eric Brown — from the LinuxDevices Archive — views

Strategic Test Corp. announced a dual-channel digitizer/oscilloscope PCI Express card for the test and measurement market. The Linux-compatible UF2e-3027 is equipped with two 100MS/s, 12-bit analog-to-digital converters (ADCs) that are said to sample simultaneously.

The UF2e-3027 includes 32 MegaSamples of on-board memory, expandable up to 2 GigaSamples, which Strategic Test says could enable the recording of signal lengths of up to 10 seconds. Notable features of the UF2e-3027 are said to include dual-timebase sampling, synchronous digital inputs, asynchronous digital I/O, and the capacity to synchronize up to 542 channels.

UF2e-3027 scope card
(Click to enlarge)

The scope card is said to offer six voltage ranges per channel, from ±200 mV to ±10V, with a programmable offset of 100 percent and input impedances of 50 Ohm or 1 MOhm. According to the company, this allows each channel to be individually configured for the signal source.

The UF2e-3027 offers the following specifications:

  • Format — PCI Express
  • Analog-to-digital conversion — dual 100MS/s, 12-bit
  • Memory — 32 MegaSamples, expandable to 2 GigaSamples (32, 64, 128, 256, 512, 1024 or 2048 MegaSamples)
  • Continuous streaming to host PC — 120 MegaSamples/s
  • Effective number of bits — 10.6 LSB (least significant bit)
  • Signal-to-noise ratio — 65.5 dB
  • Total harmonic distortion — -72.0 dB
  • Standard -3dB bandwidth — 40MHz (upgradable to 90MHz with Wide Bandwidth option) Voltage ranges — 6 per channel, from ±200 mV to ±10V; 100% programmable offset; 50-Ohm or 1-MOhm input impedances
  • Options:
    • Multiple recording; memory segmentation
    • Gated sampling with output clock controlled by external TTL signal
    • TimeBase for recording time of trigger events or gates
    • ABA mode with slow-fast-slow recording on trigger
    • Star-hub synchronization of 5 or 16 boards (5 to 16 PCs) for a maximum or 271 boards; supports mixed-mode systems with digitizer, AWG and digital I/O boards
    • 8 synchronous digital inputs
    • 8 asynchronous digital I/O lines (BaseXIO)


The UF2e-3027 appears to be available now starting at $7390, with volume/OEM discounts available, says Strategic Test. Boards ship with the SBench 5.3 oscilloscope program, programming examples, and drivers for Linux (RedHat, Fedora, SuSe, Sarge), as well as Microsoft Windows Vista, XP64, XP. Software Development Kits (SDKs) are said to be optionally available for MATLAB, LabVIEW, Agilent-VEE, DASYLab and LabWindows/CVI.

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