Pentek, Inc. (Upper Saddle River, NJ) has introduced its Model 7151 high-performance, high-resolution software radio module. Four 200 MHz 16-bit A/D converters feed a proprietary FPGA IP core that delivers 256 channels of digital down conversion. The Model 7151 is particularly well suited for GSM cell-phone monitoring and signal-intelligence applications.
With independent frequency tuning for each of the 256 digital down converter (DDC) channels, the Model 7151 can down-convert any signal within any of the four digitized 100 MHz input bands, significantly enhancing the efficiency and diversity of signal-intelligence applications. Arranged in four banks of 64 DDC channels, each bank can be configured for a unique output signal bandwidth to accommodate applications requiring mixed signal types or multiple modulation schemes. Each DDC bank can be independently sourced from any one of the four A/D converters, which are typically assigned to specific antennas.
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