1000BASE-T/100BASE-TX/10BASE-T Physical Layer Compliance Tests Manual
Intel Confidential 83
10Base-T Transmitter Output Timing Jitter with Cable Model
4. Shift waveform to the right and find zero crossing at 8.0 BT ±7ns (approximately 800 ns). The
graphic below provides a reference.
5. Set vertical cursors to record the maximum closing of the eye. The difference between the two
cursors should be recorded as the jitter measurement.
6. Shift waveform to the right and find zero crossing at 8.5 BT ±7ns (approximately 850 ns). The
graphic below provides a reference.
8.0 Bit Times (BT)
8.5 Bit Times (BT)
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