6.2 Trigger modes and time-stamps
U5303A User's Manual
63
Parameter
Value
Tolerance
Nominal Frequency
100 MHz
±100 kHz
Signal level
-3 dBm to +3 dBm
Impedance
50 Ω
Coupling
AC
Table 6.2
- External reference specifications.
If synchronization between several ADC cards is required, the reference signal should be applied to all
of them.
6.2 Trigger modes and time-stamps
Trigger modes
As listed previously the trigger source can be:
the signal applied to an input channel (internal triggering)
an external signal applied to the TRG IN front panel input connector (external triggering)
a software trigger (See
How to generate a software trigger? (page 86)
Pre- and post-trigger delay
Description
To increase trigger flexibility, a pre- or post-trigger delay can be applied to the trigger position.
