ADLINK PCIe-9814 - Manual (Page 15)

Introduction 5
PCIe-9814
1.3.3 Triggers
External reference
clock source SDI0 (supported by PCI-9814P
only)
External reference
clock
10MHz
External reference
clock input range
3.3V to 5V TTL DC compliant
External sampling
clock input range
1Vpp to 5Vpp
AC / DC
compliant
Trigger Source & Mode
Trigger source
Software, external digital trigger, analog trigger, and SSI
(system synchronized interface)
Trigger mode
Post trigger, delay trigger, pre-trigger, or middle trigger,
re-trigger for post trigger and delay trigger modes
Digital Trigger Input
Sources
Front panel SMB connector
Compatibility 3.3 V TTL, 5 V tolerant
Input high threshold 2.0 V
Input low threshold (VIL) 0.8 V
Maximum input overload -0.5 V to +5.5 V
Trigger polarity
Rising or falling edge
Pulse width 20 ns minimum
Sample Clock Detail Comment