xDAP 7420 Data Acquisition System up to 2M Samples per Second per Channel

Microstar Laboratories, Inc. has announced the release of the xDAP 7420 data acquisition system. xDAP 7420 adds a high-speed sampling mode to the capabilities of the xDAP line, with a sample rate double that of its predecessor, xDAP 7410. This system is CE compliant, making it suitable for applications in the European Union and worldwide. It is also compatible with both North American and European power standards, requiring no switching or reconfiguration. It retains all of the capabilities of xDAP 7410 and, other than the higher rates when you need them, all performance specifications are the same.
High-Performance Simultaneous Sampling

Like xDAP 7410, each xDAP 7420 provides eight parallel 16-bit analog-to-digital converter channels. These are clocked simultaneously and run at configurable rates of up to two million samples per second. The aggregate sample transfer rate limit is eight million samples per second, with transfers to the host continuously sustainable across the USB interface at this rate. For host applications that cannot sustain this pace, there is enough local buffer memory to record a full minute of activity without any concurrent transfers.

xDAP 7420 features an embedded 2.0 GHz Celeron processor that manages all of the real-time aspects of acquisition hardware management and data buffering. All of this, plus higher level data pre-processing and transfer management, is controlled by the embedded DAPL real-time operating system that runs on every Data Acquisition Processor (DAP) system. On the host side, xDAP 7420 application software uses the same "channel architecture" driver and server software, provided at no extra cost – it is the same interface software that all of the other DAP products use as well.

Examining the numbers more closely, the two million samples per second rate and eight million samples per second composite transfer limit mean that a maximum of four channels can be captured at the absolute maximum rate limit. If you do not need all four channels at these rates, the unique "dual mode sampling" capabilities of xDAP 7420 allow you to use the extra capacity for other channels at a reduced rate: for example, two channels can be captured at the maximum two million samples per second each, while at the same time, 12 channels are captured at 250 thousand samples per second each.

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