Figure 30 – srin_divw test results – Teledyne LeCroy QPHY-DDR4 User Manual

Page 44

Advertising
background image

After the completion of the SRIN_dIVW_R test the oscilloscope is in the following configuration:

Figure 29 - Oscilloscope Configuration after SRIN_dIVW_R Test

Shown on this screen:

• Z2 is a zoom of F2, the acquired DQS signal after any probe deskew has been applied. The zoom is

positioned at the location of the “worst case” SRIN_dIVWR measurement indicated by
t@SRINRmin. A trace label is applied on this trace according to the signal name assigned to
DQS. This signal is not measured in this test and is only provided as a visual reference.

• Z3 is a zoom of F3, the acquired DQ signal after any probe deskew has been applied. The zoom is

position at the location of the “worst case” SRIN_dIVWR measurement indicated by
t@SRINRmin. A trace label is applied on this trace according to the signal name assigned to DQ.
This is the signal which is measured in this test.

Figure 30 – SRIN_dIVW Test Results

44

924291 Rev A

Advertising