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Keysight Technologies
E2688A, N5384A High-Speed Serial Data Analysis and Clock Recovery Software
For Infiniium Oscilloscopes
Data Sheet
02 | Keysight | E2688A, N5384A High-Speed Serial Data Analysis and Clock Recovery Software For Infiniium Oscilloscopes - Data Sheet
The Keysight Technologies, Inc.
High-Speed Serial Data Analysis (SDA)
software provides you with a fast and easy
way to pinpoint signal integrity
problems and validate performance for
serial interface designs. Perform mask
testing, characterize serial data streams
that employ embedded clocks, and decode
8b/10b data.
SDA software enables engineers to verify
compliance to computer, communication,
and data communications standards such
as PCI Express, Serial ATA, Serial Attached
SCSI (SAS), Fibre Channel, XAUI and
Gigabit Ethernet.
SDA software and the Infiniium
oscilloscopes offer several features to
simplify the validation of serial interface Figure 1. A real-time eye display is reconstructed from all unit intervals in the
designs: memory aligned by a recovered clock.
Real-time eye display
with Mask unfolding
The real-time eye display is reconstructed
from all unit intervals in the oscilloscope
memory aligned by the recovered clock.
In this display mode the center screen (or
zero in the time base) corresponds to the
active edge of the recovered clock. Each
signal including channels and functions
can be displayed as a real-time eye.
With the High-Speed SDA software, once
you identify a failure of the eye mask, you
can unfold the eye diagram to show the
specific unit interval that caused the
failure. When used with the 8b/10b
decoding feature you can identify data Figure 2. The 8b/10b decoded symbol information below the appropriate portion
dependent errors that result in eye of a PCI Express signal.
mask violations caused by Inter-Symbol
Interference (ISI).
8b/10b decoding
When used with the Infiniium Series
oscilloscopes, you can perform 8b/10b
decoding with the analog view of a serial
data stream. You can use your
oscilloscope to assist you with debugging
during the link bring-up phase of
development. In addition you can use the
8b/10b decode feature to help solve
disparity error problems or bit error rate
performance problems resulting from ISI.
03 | Keysight | E2688A, N5384A High-Speed Serial Data Analysis and Clock Recovery Software For Infiniium Oscilloscopes - Data Sheet
Mask testing
When used with the Keysight Infiniium
oscilloscopes, masks are provided for the
following standards: