Pentek launches highest frequency data converter
A Pentek product story
Edited by the Electronicstalk editorial team Sep 10, 2009
Pentek is offering its highest frequency PMC/XMC transceiver module, the Model 7158 data converter.
The module is suitable for high-speed, wideband applications including remote-radar countermeasures, tracking and UAV (unmanned aerial vehicle) surveillance.
The Model 7158 is a dual-channel, 12-bit 500MHz data converter that builds upon the company's Model 7156 transceiver technology by extending the A/D sampling rate.
It is suitable for lab and deployed environments, including UAVs, ships and aircraft.
By coupling the high speed analogue I/O data converters through FPGA resources, the module can receive a signal, process it and send it back out in real time.
It delivers performance for radar countermeasure applications that require complex, low-latency signal processing.
In such an application, the signal processing FPGA of the 7158 handles the real-time DSP algorithms while the second FPGA provides a status and control path to the PC or carrier board.
The FPGA can be a Xilinx FXT family device with a PowerPC processor, forming a complete, self-contained subsystem.
Users can install an Ethernet stack so the module can communicate over gigabit Ethernet to external systems in the vehicle or craft.
Using Pentek's Gateflow FPGA Design Kit, customers can develop and integrate custom IP to support a range of real-time applications for communication, signal intelligence, beamforming and radar countermeasures.
The dual FPGA architecture of the 7158 delivers the necessary flexibility to extend the FPGA resources.
Both onboard FPGAs are members of Xilinx's Virtex-5 family so that customers can choose specific FPGA devices for each to fulfill particular requirements.
Available FPGAs include LXT devices with logic resources and SXT devices with DSP resources for signal processing.
A total of 512MB of DDR2 SDRAM memory arranged in two banks enables users to capture real-time data, storing it in a local memory.
This feature is especially suited to wideband radar where the destination device cannot handle the peak real-time data rates and the SDRAM acts as an elastic buffer.
The SDRAM can also be used to store an arbitrary waveform for playback through the D/A converters.
Optionally, the total SDRAM capacity can be doubled to 1GB.
The 7158 is supported with the Readyflow Board Support Package (BSP) under Windows, Linux and Vxworks operating systems (OS).
Each BSP includes an OS driver as well as a full-feature Readyflow C language library to support all board functions and provide sample applications for quick development startup.
This module is also available as a PCI module, Model 7658; as a 3U and 6U cPCI module, Model 7258 and 7358 respectively; and as a PCI Express module, full- and half-length versions with the Models 7758 and 7858.
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