Teledyne LeCroy QPHY-USB User Manual
Page 38
38
QPHY-USB Operator’s Manual Rev F
Figure 38. Hub upstream repeater sync field truncation and corruption
The two zoom traces are adjusted using the front panel Zoom controls so their end of packet pulses (the wide
negative pulse on the far right) are overlaid and placed at the right edge of the display.
Figure 39. Hub upstream repeater end of packet dribble
The USB 2.0 specification allows the end of packet (EOP) field at the output of a hub to be up to 4 bits shorter
than the input.
See also other documents in the category Teledyne LeCroy Software:
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- QPHY-10GBase-T (36 pages)
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- QPHY-DDR3 (44 pages)
- QPHY-DDR4 (73 pages)
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- QPHY-MIPI-DPHY (32 pages)
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- QPHY-PCIE3 (28 pages)
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- QPHY-SAS3 (50 pages)
- QPHY-SATA (45 pages)
- QPHY-USB3-Tx-Rx (47 pages)
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