Anritsu MX183000A, Руководство по эксплуатации, Страница: 87 / 226

4.6 Jitter Tolerance Test
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Table 4.6.2-2 JTOL Settings Items
Item Description
Search Type
Auto Search Selects whether Auto Search for MU183040A/B and
MU183041A/B is executed before measurement.
OFF:
Auto Search is not performed before measurement.
(default)
When Meas. Type is PAM4, click Manual, and then
in the PAM4 Threshold/Phase Settings dialog box
(Figure 4.6.2-3), configure threshold
(Upper/Middle/Lower) and phase settings for PAM4
signal eyes.
FINE: Auto Search (FINE) is performed before
measurement.
COARSE: Auto Search (COARSE) is performed before
measurement.
This operation is not available in the following cases, as Auto
Search cannot be executed.
● Auto Adjustment is executed by the DUT.
● Auto Sync is set to Off.
Meas. Type Select the type of signal (NRZ or PAM4) to be measured.
Selection of PAM4
Pattern
When PAM4 is selected in the Meas. Type box, select the test
pattern to be set for ED.
For the patterns you can select, refer to “Appendix F” in the
MU183040B 32G ED Operation Manual.