How to model, measure, and verify that high-speed transceivers meet the standard specifications and convergence of the adaptation equalizers and CDR to optimize the margins for various channels.
Improved analysis, modeling, characterization and correlation methods of multi-protocol high-speed transceivers that utilize T-coil to enhance the transmitter and receiver bandwidth, transmitter FIR filters and receiver CTLE and DFE equalizers is presented. The key circuit blocks are measured and modeled using IBIS-AMI models and the overall system performance including the eye diagrams, BER curves are well correlated to on-die measurements. The paper discuss the procedure taken to model, measure, and verify the high-speed transceivers meet the standard specifications such as return loss, jitter tolerance, BER and convergence of the adaptation equalizers and CDR to optimize the margins for various channels.
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