User`s guide

6- 30 Agilent B2900 User’s Guide, Edition 2
Function Details
Trigger System
Trigger Output
B2900 provides the trigger output function by using the Digital I/O connector on the
rear panel. For more information about the connector, see
“Using Digital I/O” on
page 3-29.
• Trigger output terminal
Specifies Digital I/O pins. Pin assignment can be specified by the “DIO
Configuration dialog box” on page 4-46.
• Trigger output timing
The output trigger can be generated at the timing shown in Table 6-5. The trigger
output timing can be specified by the Layer, Action, and Trigger Output
parameters of the
“Trigger Configuration dialog box” on page 4-36 and the
Output Trigger Timing parameter of the “DIO Configuration dialog box” on
page 4-46.
Table 6-5 Trigger Output Timing and Setup Parameters
The output trigger polarity, type, and pulse width can be set by the “DIO
Configuration dialog box” on page 4-46.
Trigger output timing Layer Action
Trigger
Output
Output
Trigger
Timing
Starting arm loop ARM TRANS. for
transient
action or
ACQ. for
acquire
action
ON BEFORE
Ending arm loop ARM ON AFTER
Starting trigger loop TRIGGER ON BEFORE
Ending trigger loop TRIGGER ON AFTER
Starting transient (source) action ACTION TRANS. ON BEFORE
Ending transient (source) action ACTION TRANS. ON AFTER
Starting acquire (measure) action ACTION ACQ. ON BEFORE
Ending acquire (measure) action ACTION ACQ. ON AFTER