Teledyne-lecroy QPHY-SAS3 Manual do Utilizador descarregar pdf (Página 49)

QPHY-SAS3 Software Option

The second step is to swap Txp and Txn at the device side.

Figure 48 – MFTP – Step 2 Prompt

Before moving on to Step 3 the display on the oscilloscope screen should appear as below. C3 has been

inverted and both C2 and C3 has been rescaled. The skew between C2 and C3 is calculated in P1. This

is the skew value which will be used during the testing. This value is stored in QPHY-SAS3 and it is not

necessary to re-run this process every time you run QPHY-SAS3.

Figure 49 – MFTP – Step 2 Oscilloscope Display

At this point the C2 and C3 can both be reconnected to the test fixture.

Figure 50 – MFTP – Step 3 Prompt

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Teledyne-lecroy QPHY-SAS3 Manual do Utilizador Página 49