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Focuses on the digital techniques used for jitter analysis. Measurement of jitter using a digital functional model; Analogue method of generating jitter; Digital method of generating jitter.

Focuses on the synchronous optical network (Sonet) systems, the wander measurement techniques and the specified limits applied. Description on how wander affects the payload; Typical timing configurations; Wander specifications; Measures of wander.

Presents a method to shorten the wait in accumulating enough errors to accurately assess a digital-communications system. Measuring error rate by using either a parity check or a bit-error-rate test set (BERTS); Test for upper limit; Computation for the error; Shortening of the test time by using stressing method. INSET: The poisson-error process..