Quad-Channel Data Acquisition and Processing Board Hits 200 MSPS at 16 bits

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A four-channel data acquisition module targets radar and communications applications requiring next-generation performance. The 71600 from Pentek has four 200 MSPS, 16-bit data acquisition channels that deliver nearly 90 dB of spurious-free dynamic range, allowing users to detect small signals of interest surrounded by large interferers. The channels operate from a common clock that can come from an external source or an onboard, programmable, crystal-controlled oscillator. An external clock can drive the ADCs directly as a sample clock or be used as a phase-lock reference for the internal oscillator. The 71660 also utilizes two sync and two gate/trigger signals for synchronizing data acquisition channels across multiple modules. 

Four independent memory banks provide the 71660 with a capacity of up 2 Gbyte of DDR3 SDRAM for applications requiring deep memory, or up to 32 Mbyte of QDRII+ SRAM for applications requiring fast random access. The memory can also be configured to offer two banks of each type, giving users the flexibility to accommodate complex applications. Built-in functions of the memory controller include multi-channel ADC data capture, data streaming and tagging of data streams with metadata packets that include channel ID, sample count and time stamp information. 

The Virtex-6 FPGA on the 71660 provides customers with a combination of turnkey and custom functionality. Customers can select the specific FPGA device installed, ranging from the lower-cost LX130T to the high-performance SX475T with up to 2016 DSP slices. The board ships with the FPGA configured to provide synchronization, triggering, multiplexing and data acquisition features including a complete radar range gate engine. The FPGA controls and implements data flow paths for all resources on the board, giving users full command of board operation when desired. Users can configure the FPGA using Pentek’s GateFlow Design Kit. The Cobalt version of GateFlow has been optimized for the Virtex-6 family and features increased modularity to help simplify development.

The native form factor for the 71660 is an XMC module and is also offered in a conduction-cooled version. Other offerings include the 78660 PCI Express board, 53660 3U VPX board, 73660 3U cPCI and the 72660 6U Compact PCI board. Software support initially includes drivers for Windows and Linux platforms, with support for VxWorks to follow. The Model 71660 pricing starts at $9,995 depending on the memory and FPGA configuration. 

Pentek, Upper Saddle River, NJ. (201) 818-5900. [].