LeCroy WavePro 7300A - Dda; DDA Front Panel Controls; DDA Specifications; Additional DDA Triggers

X-Stream Operator’s Manual
WM-OM-E Rev I 347
DDA
DDA Front Panel Controls
The front panel of the DDA is similar to that of other X-Stream scopes except for the substitution of
the Drive Analysis button
for the Default Setup button.
When you press the Drive Analysis button, you gain access to the Drive Analysis setup dialogs:
To recall the default setup on a DDA, press the Save/Recall front panel button, then select the
"Recall Setup" tab and touch the Recall Default Setup button.
Note: You can also touch File in the menu bar, then Recall Setup... in the drop-down menu.
DDA Specifications
Additional DDA Triggers
Sector Pulse: Triggers on the n
th
sector pulse (1 to 50) after index. Index and sector pulse polarity
and sector pulse number are selectable.
Servo Gate: Triggers on the n
th
servo gate after index and every m
th
thereafter. Index and servo
gate pulse polarity are selectable.
PES Trigger: Triggers on Position Error Signal (PES) exceeding an adjustable voltage window.
Servo gate can be selected as qualifier.
Read Gate Trigger: Triggers on any read gate longer than an adjustable Sector ID field length (100
ns to 50 µs).
Disk Drive Measurement Package (DDM2)
This package provides disk drive parameter measurements and related mathematical functions for
performing disk drive WaveShape Analysis.