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Follow on Google News |  Pentek's New L-Band RF Tuner XMC Module Offers Improved Bandwidth & Precision for SATCOM & Comm*Maxim MAX2121 L-Band RF tuner boosts output bandwidth to 123 MHz *Faster 500 MHz 12-bit A/Ds capture full signal bandwidth *Improved signal quality with digital down converter IP modules *More
By: Pentek, Inc. "Communications engineers reap the benefits of this module with new wider bandwidths, higher A/D sampling rates and the inclusion of digital down converters (DDCs) allowing for IF to baseband conversion for more accurate demodulation," RF Tuner Stage A front panel SSMC connector accepts L-Band signals between 925 MHz and 2175 MHz, typically from an L-Band antenna or an LNB (low noise block). With its programmable LNA, the Maxim MAX2121 tuner directly converts these L-Band signals to IF or baseband using a broadband I/Q analog downconverter followed by 123 MHz low pass anti-aliasing filters. The two analog tuner outputs are digitized by two Texas Instruments ADS5463 500 MHz 12-bit A/D converters to capture the full 123 MHz bandwidth, three times that of Pentek's previous L-Band tuners. For best performance, the analog outputs of the MAX2121 can be used in the IF mode instead of the analog baseband I+Q mode. In this case, each A/D converter digitizes an IF signal and then delivers it to a DDC to produce perfectly balanced complex I+Q digital baseband samples for enhanced demodulation performance. Pentek Performance Acquisition and DDC IP Modules The Model 71791 features two Acquisition IP modules to easily capture and move data. Each module can receive data from either of the two A/Ds or a test signal generator. Each Acquisition IP module contains a powerful DDC IP core with decimation values from 2 to 64k, covering a wide range of signal bandwidths. Because of flexible input routing within the Acquisition IP modules, many different configurations can be achieved including one A/D driving both DDCs or each of the two A/Ds driving its own DDC. An additional benefit of using the IF analog output mode is that two independent A/D and DDC channels are now available for digitizing and downconverting two signals with different center frequencies and bandwidths. Boosting Performance with the Onyx Architecture Architectural enhancements in the Onyx family include 4 GB of 1600 MHz DDR3 memory and a Gen 3 PCIe interface, delivering peak transfer rates up to 8 GB/sec. The Virtex-7 is very power efficient making it easier to utilize larger FPGAs for adding user supplied IP. Optional LVDS and gigabit serial connections to the Virtex-7 are available for connecting to custom high performance I/O. Development Tools and Software Support The Pentek GateFlow® FPGA design kit gives users access to the complete factory installed IP at the source code level, allowing them to extend or even replace the built-in functions using the Xilinx Vivado® Design Suite. Compared to the older Xilinx ISE tools, Vivado implements custom IP designs up to 4 times faster with a 20% better design density. Pentek's GateXpress® PCIe configuration manager supports dynamic FPGA reconfiguration through software commands as part of the runtime application. This provides an efficient way to quickly reload the FPGA to slash development time. For deployed environments, GateXpress enables reloading the FPGA without the need to reset the host system, ideal for applications that require dynamic access to multiple processing IP algorithms. Pentek's ReadyFlow® Board Support Package is available with drivers for Windows and Linux operating systems. The ReadyFlow C-callable library contains a complete suite of initialization, control and status functions, as well as a rich set of precompiled, ready-to-run- With a Pentek 8266 SPARK PC or 8267 SPARK VPX development system, work can begin immediately on applications. The SPARK system saves engineers the time and expense associated with building and testing a development system and ensures optimum performance of Pentek boards. All SPARK development systems come with software and hardware installed and ready for immediate operation. Form Factors, Pricing and Availability The Cobalt Model 71791 XMC is designed for commercial, rugged or conduction cooled operating environments. It is also available in several form factors, including 3U and 6U VPX (Models 52791/53791 and 57791/58791); For the latest pricing and availability information, please contact Mario Schiavone by phone at (201) 818-5900 ext.229, or by email at mario@pentek.com. Additional FPGA, A/D and LVDS FPGA I/O options are available. Delivery is 8 to 10 weeks ARO. About Pentek Pentek, an ISO 9001:2008 certified company, designs, manufactures and markets innovative COTS and rugged DSP boards and system recorders for commercial, government and military systems, including radar, communications, medical and industrial control applications. ### Pentek, Cobalt, Onyx, Spark, GateXpress and GateFlow are trademarks or registered trademarks of Pentek, Inc. Brand or product names are registered trademarks or trademarks of their respective holders. For access to the release and data sheets, please visit: http://www.pentek.com/ North American Sales Contact: Mario Schiavone, Pentek, Inc., One Park Way, Upper Saddle River, NJ 07458-2311; 201-818-5900; International Sales Contacts: For a list of Pentek representatives and distributors, please visit http://www.pentek.com/ Media Contact: Barbara Stewart Patterson & Associates 480-488-6909 barbara@patterson.com End
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