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   Date: 28th July 2010

ADI collaborates with Xilinx to make the base station more programmable and flexible

Analog Devices (ADI) has collaborated with FPGA expert Xilinx to make its radio architecture development platform easily reprogrammable as per the customer's requirements. ADI will use Xilinx's Virtex-6 FPGA ML605 (field-programmable gate array) Evaluation Kit in connecting ADI's RF cellular base station called MS-DPD board through an industry-standard VITA-57 FMC connector. FPGA device is used to implement required radio algorithms leveraging the ADI signal chain available on the MS-DPD.

ADI's MS-DPD platform includes semiconductor chips such as AD9122 1.2-GSPS DAC (digital-to-analog converter) and ADL5375 quadrature modulator. The observation receiver chain supporting 2G, 3G and emerging 4G wireless protocols include the AD9230 12-bit, 250-MSPS ADC (analog-to-digital converter).

"In collaboration with Xilinx, customers now have everything needed to demonstrate the transmit section of a base station radio," said Martin Cotter, segment director, Communications Infrastructure, Analog Devices. "ADI has combined high performance transceiver components into a single development platform for speeding the evaluation of critical DPD algorithms running on Xilinx's Virtex-6 ML605 Evaluation Kit. The MS-DPD platform allows our customers to focus on differentiating their DPD algorithm from their competitors' solutions."

ADI says its multi-carrier MS-DPD development platform simplifies component selection and board layout to make it easier for designers of multi-carrier GSM and multi-standard SDR (software-defined radio) base stations to develop FPGA-based DPD algorithms. FPGAs also provide the flexibility to optimize the solution that competing fixed-function ASICs (application-specific integrated circuits) cannot, while providing an integrated, low cost, low power and reliable solution.

"In collaborating with Analog Devices, we have been able to create a more modular approach to radio development, leveraging the new industry-standard FMC connectors," said Manuel Uhm, director, Wireless Communications Business, Xilinx. "Customers are able to rapidly evaluate Xilinx's crest factor reduction (CFR) and DPD algorithms in conjunction with ADI's high-performance transmitter solutions, saving considerable engineering time. Furthermore, customers can leverage the Virtex-6 ML605 FPGA Evaluation Kit and MS-DPD to develop and evaluate their own IP."

Xilinx has recently announced advanced 28nm FPGA family called Virtex 7 with nearly 2x performance compared Virtex 6.

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