Appendix A Specifications
NI PCI-5911 User Manual A-6 ni.com
Clock jitter..............................................<75 pSrms, independent of
reference clock source
Clock compatibility................................TTL for both input and output
Sampling clock frequencies
Conventional mode.......................100/nMHz, where 1 n224
Flexible resolution mode.................12.5 MHz, 5 MHz, 2.5 MHz,
1 MHz, 500 kHz, 200 kHz,
100 kHz, 50 kHz, 20 kHz, 10 kHz
Reference clock sources.........................PFI lines, RTSI clock, or onboard
Triggering Systems
Modes.....................................................Edge, hysteresis, window, digital
Source.....................................................CH0, RTSI<0..6>, PFI 1, 2
Slope.......................................................Rising/falling
Hysteresis................................................Full-scale voltage/n, where n is
between 1 and 170
Coupling.................................................AC/DC
Pretrigger depth......................................Up to 4 MS or 16 MS, depending
on memory option purchased and
sampling mode
Posttrigger depth.....................................Up to 4 MS or 16 MS, depending
on memory option purchased and
sampling mode
Holdoff time...........................................5 µs to 171.79 s in increments
of 40 ns
Trigger resolution...................................170 steps in full-scale voltage
range