Agilent Technologies N5416A Wartungshandbuch Seite 95

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Seitenansicht 94
Hub Hi-Speed Tests 4
Notes on USB Electrical Compliance Testing 95
EL_21 Sync Field Length Test
EL_25 EOP Length Test
EL_22 Measure Interpacket Gap Between Second and Third Packets
EL_22 Measure Interpacket Gap Between First and Second Packets
The USB automated test application will prompt you to perform these
steps:
1 In the Device Test menu of the HS Electrical Test Tool, click [STEP]
once again. This is the second step of the two- step Single Step Set
Feature command.
2 You should see the transmitted test packet on the oscilloscope as below.
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