Product category:
Sensors and Data Acquisition
News Release from: Spectrum Systementwicklung Microelectronic | Subject: MI.40xx series
Edited by the Electronicstalk Editorial
Team on 25 September 2003
High bandwidth for 14bit acquisition
boards
The new MI.40xx series of data acquisition boards from Spectrum are an ideal solution for measurement tasks that demand both high speed and high resolution.
The new MI.40xx series of data acquisition boards from Spectrum are an ideal solution for measurement tasks that demand both high speed and high resolution Using the latest 14bit A/D convertors, the boards deliver a high dynamic range, even at the highest sampling rates of 20 or 50Msample/s, and a maximum bandwidth of 25Msample/s
This article was originally published on Electronicstalk on 8 Feb 2005 at 8.00am (UK)
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A novel digital I/O card from Spectrum can be switched between 1, 2, 4, 8 or 16bit acquisition or generation mode, and uses an internal shift register to use the full memory width.
There are six software-selectable input ranges from +/-200 to +/-10V together with programmable input termination of 50ohm or 1Mohm.
In addition to the analogue signals it is also possible to simultaneously record two digital inputs for each of the analogue channels, for example status signals from external equipment.
Advanced trigger recognition capabilities enhance the versatility of the boards and ensure than meaningful signals are recorded.
The user can select the recording to be started either from an external TTL signal or by examining the analogue signal for edge, level, window, pulsewidth or steepness.
To select the area of interest before or behind the trigger event, the memory size, pre- and posttrigger parameters can be defined.
An additional benefit of the board is the high amplifier offset range of up to +/-200% that can be added to the input signals.
The MI.4xxx boards are supplied with 8Msample signal memory as standard, but this can be increased to 256Msample if very long signals need to be captured at the highest sampling rates.
The boards provide two different recording modes.
In standard mode the signals are recorded to the onboard memory at any of the supported sampling rates.
In FIFO mode the digitised signals are buffered by the onboard memory and then transferred to the PC during the measurement so the data are accessible while the recording is still running.
Both recording modes can be used together with the multiple recording or gated sampling modes when fast measurement repetition rates or online data reduction is required.
The board is delivered with a full set of software.
That includes drivers for Windows 9x/Me/NT/2000/XP and Linux as well as programming examples for C/C++, Visual Basic and Delphi.
A full version of the easy-to-use Windows software SBench is also included.
As an option there are drivers for LabView, DasyLab, Agilent VEE and Matlab. Request a free brochure from Spectrum Systementwicklung Microelectronic ...
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