Virtex-7 Software Radio Module for Extremely Wideband Signal Applications

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A one-channel, 3.6 GHz 12-bit A/D or 2-channel, 1.8 GHz 12-bit A/D XMC high-speed data converter module is based on the high-density Xilinx Virtex-7 FPGA. The Onyx Model 71741from Pentek can digitize signal bandwidths up to 1500 MHz. The front end accepts analog RF or IF inputs on a pair of front panel SSMC connectors with transformer coupling into a Texas Instruments ADC12D1800 12-bit A/D. The converter operates in single-channel interleaved mode with a sampling rate of 3.6 GHz and an input bandwidth of 1.75 GHz, or in dual-channel mode with a sampling rate of 1.8 GHz and input bandwidth of 2.8 GHz. A built-in AutoSync feature supports A/D synchronization across multiple modules.

A powerful DDC intellectual property (IP) core sets the Model 71741 apart from the competition. The DDC supports a single-channel mode, accepting data samples from the A/D converter at the full 3.6 GHz rate. It also operates as a dual channel DDC when the A/D is set for 2-channel 1.8 GHz operation.

GateXpress PCIe Configuration Manager is an FPGA-PCIe hardware engine for managing FPGA reconfiguration. At power up, the GateXpress manager immediately presents a PCIe target to the host computer for discovery and enumeration, giving the FPGA time to load from Flash. Once booted, the GateXpress manager offers multiple options for dynamically reconfiguring the FPGA with a new IP image, handling the hardware negotiation and streamlining the loading task. GateXpress also allows dynamic FPGA reconfiguration through software commands as part of the runtime application.

The Model 71741 XMC module is designed for both rugged and COTS environments and is available in cPCI (Models 73741 and 72741), AMC Model (56741), PCIe (Model 78641) and VPX (Models 52741 & 53741). The Model 71741 XMC module with 4 Gbyte of memory starts at $22,695. Additional FPGA options are available. Delivery is 8 to 10 weeks ARO.

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