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High-speed digitiser system enabler

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ACQIRIS has introduced a new 21-slot crate that enables high-speed digitiser systems to be configured with up to 80 channels in a single standard 19" wide, 9U high instrumentation rack.

Deploying a quad-channel digitiser module, Model CC121 enables, at 1GHz bandwidth, to operate 80 channels at 1GS/s sampling rate; 40 channels at 2GS/s; and 20 channels at 4GS/s, making it ideal for data acquisition systems that require a high number of channels in the smallest possible space.

Applications include physics, astronomy, automated test equipment and telecommunications, where system size and cost per channel need to be optimised.

The crate's patent pending cooling system allows installed modules to run at an optimal, safe operating tempe-rature.

This ensures stable, uniform internal operating temperature with minimal variations, resulting in less drift in measurement precision and less frequent recalibration.

Efficient operation is further provided by EMI shielding to minimize the effects of unwanted noise and interference, and highquality power supplies to increase system reliability.

The CC121 crate is compatible with CPCI extension interfaces and embedded Pentium(r) processor boards for modular "plug and play" applications.

A variety of standard interfaces can be used to fully control the CC121 and connect it to any PC.

CompactPCI-PCI bridge connections can be made via copper cables or fiber optic cable, with PCI bus data transfer speeds of up to 100MB/s.

Alternatively, stand-alone systems can be easily created with the installation of Acqiris' PC502, a 1GHz Pentium-based single-slot controller with a 20GB hard disc, Ethernet and Windows-based operating system.

The Ethernet port can be used to connect multiple crates together for applications where more than 80 channels are required.

In addition to its high channel density, the Model CC121's single rack design requires less cabling, simplifying installation and maintenance.

A unique rear access design also simplifies maintenance by yielding access to all system components whenever necessary.

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