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High-speed data transfer with FPGAs and QSFP+ modules

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arxiv 1103.0128 v1 pith:QAF2LGX6 submitted 2011-03-01 physics.ins-det physics.comp-ph

R. Ammendola , A. Biagioni , G. Chiodi , O. Frezza , F. Lo Cicero , A. Lonardo , R.Lunadei , P. S. Paolucci
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D. Rossetti A. Salamon G. Salina F. Simula L. Tosoratto P. Vicini
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classification physics.ins-detphysics.comp-ph
keywords qsfpgbpsaggregatedbandwidthcommercialdatafpgamodules
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We present test results and characterization of a data transmission system based on a last generation FPGA and a commercial QSFP+ (Quad Small Form Pluggable +) module. QSFP+ standard defines a hot-pluggable transceiver available in copper or optical cable assemblies for an aggregated bandwidth of up to 40 Gbps. We implemented a complete testbench based on a commercial development card mounting an Altera Stratix IV FPGA with 24 serial transceivers at 8.5 Gbps, together with a custom mezzanine hosting three QSFP+ modules. We present test results and signal integrity measurements up to an aggregated bandwidth of 12 Gbps.

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