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A new method for testing jitter tolerance of SerDes devices using sinusoidal jitter

This paper presents a new method for measuring jitter tolerance of a SerDes receiver using the timing misalignment between the jittered source clock and the recovered clock. A sinusoidal jitter is injected into the serial bit stream. The method derives an equation for estimating BER accurately and is 10/spl times/ faster than the conventional BER test method The accuracy and test speed of the method are verified by 2.5 Gbps and 10 Gbps-SerDes experiments.