USB 3.2 ENGINEERING CHANGE NOTICE
The change proposed is the addition of a system level RFI (radio frequency interference) limit for systems with USB Type C connector. This applies to hosts, hubs and dual-role devices.
2021-08-15 13:12:23
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USB 3.2 ENGINEERING CHANGE NOTICE
Bit-level re-timers which use the recovered clock from the input data stream as the input clock for the transmitter can pass on low frequency jitter, which can in turn result in accumulation of excessive low frequency jitter in systems with cascaded bit -level Retimers. Current JTF Jitter Gain limit was chosen analytically, empirical results of early Retimers implementations show a higher realistic jitter gain below 500kHz with no impact on Jitter tolerance requirements contained in Section 6.8.5.
This ECN changes the Max. Limit of JTF Jitter Gain parameter.
2021-08-15 13:12:23
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2021-08-12 17:08:19
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