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Detailed Bit Pattern Analysis with the PSO-200 Gearbox

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Detailed Bit Pattern Analysis with the PSO-200 Gearbox

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  • Author: François Robitaille, Léo Gagné
To obtain information such as the probability of error of each individual bits/bytes in a pattern, it is essential to get detailed bit pattern analysis and to optimize transmitters. A key feature of EXFO’s PSO-200 Optical Modulation Analyzer is its ability to accurately recover the time-domain information without any signal processing due to the high bandwidth achieved with optical sampling. A detailed analysis of the bit pattern recovered can provide a bit error rate (BER) per polarization or map the error vector magnitude (EVM) per symbol. To achieve this however, the PSO-200 must receive information on the pattern and sequences used in the transmitter.

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