Note Refer to the following sections and the NI High-Speed Digitizers Help for more information about what sources are available for each trigger type.

Trigger types

Edge

Window

Hysteresis

Video

Digital

Immediate

Software

Trigger sources

CH 0

CH 1

TRIG

PXI_Trig <0..6>

PFI <0..1>

Software

Time resolution
Time-to-digital conversion circuit (TDC) on

Onboard clock

100 ps

External clock

N/A

TDC off

Onboard clock

10 ns

External clock

External clock period

Minimum rearm time[1]1 Holdoff set to 0. Onboard Sample clock at maximum rate.

TDC on

12 µs

TDC off

3 µs

Holdoff[2]2 TDC is off when using external Sample clock.

Onboard clock

Rearm time to 171.79 s

External clock

(Rearm time/10 ns) × External clock period to (234 - 1) × External clock period

1 Holdoff set to 0. Onboard Sample clock at maximum rate.

2 TDC is off when using external Sample clock.