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GSM monitoring receiver targets government, military and homeland security systems

Wed, 05/14/2014 - 12:20pm

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GSM channelizerPentek, Inc., (Upper Saddle River, NJ) announced the newest member of its Cobal family: the Model 52663 full spectrum GSM channelizer 3U VPX module. Using a highly optimized IP core for the Xilinx Virtex-6 FPGA, the 52663 is appropriate for mobile monitoring systems that must capture some or all of the 1100 uplink and downlink signals in both upper and lower GSM bands. This full global system for mobile communications spectrum monitoring targets homeland security, government and military applications. The Model 52663 accepts four analog inputs from an external analog RF tuner, such as the Pentek Model 8111, where the GSM RF bands are down converted to an IF frequency. These IF signals are then digitized by four A/D converters and routed to four channelizer banks, which perform digital downconversion of all GSM channels to baseband. Two of the banks handle 175 channels for the lower GSM transmit/receive bands and two banks handle 375 channels for the upper bands. The DDC channels within each bank are equally spaced at 200 kHz. The GSM channelizer IP core is supported with additional factory-installed FPGA functions including:
Packet formation.

  • Time stamping.
  • Four DMA controllers.
  • Gating and triggering.

For more information, visit www.pentek.com

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