Protocol analysis
R&S
®
RTP
923User Manual 1337.9952.02 ─ 12
You can configure and analyze up to four independent eye diagrams in parallel (vertical
subtabs E1 to E4). Make sure to select the correct eye diagram subtab on the left
before you adjust the settings.
Enable filter
Applies the filter settings.
Remote command:
EYE<m>:FILTer:STATe on page 2192
Mode
Selects which bits contribute to the eye generation.
"All bits"
All bits contribute to the eye diagram, same as "State" = off.
"Level transi-
tion"
Only bits after a signal transition contribute (0 to 1, or 1 to 0).
"Constant
level"
Only bits without a preceding signal transition contribute (0 to 0, or 1
to 1).
"Bit pattern"
Only bits contribute that match the defined pattern before and after
the center eye. Use the bit pattern, for example, to measure the effect
of data-dependent jitter on the eye diagram.
Remote command:
EYE<m>:FILTer:BPATtern:MODE on page 2193
Pattern
Defines the bit pattern if "Mode" = "Bit pattern". You can set up to 8 bits before and 5
bits after the center eye (reference bit).
DDR (option R&S
RTP-K91/K93 )
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