USB 3.1 Gen1 and Gen2: Testing is described in the USB-IF Compliance Test Specification (CTS) document. Receiver testing is accomplished by connecting the output of a BERT pattern generator as an input to the DUT, through a specialized set of fixtures and cables. The BERT is capable of producing specific USB 3.1 Gen1 and Gen2 test patterns and is capable of adding programmed amounts of random jitter, sinusoidal jitter, signal amplitude, and de-emphasis. The output of the DUT is then sent back to a BERT pattern error detector through a very clean return path, so that any errors detected can be assumed to have come from the forward path (as a result of the DUT experiencing a bad bit-decision). Receiver testing is performed by first calibrating the system as described in the CTS and then running JTOL test by sweeping different frequencies of sine jitter on top of random jitter and signal amplitude levels. These stressed signals are loop-backed by the DUT to the BERT where it counts and reports error, if any.

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This software applies to: BSX320 , BSX240 , BSX125 , BSA286CL , BSA286C , BSA260C , BSA125C