Digital trigger – National Instruments NI PCI-6110 User Manual
Page 79
Appendix A
Specifications
© National Instruments Corporation
A-9
Source..................................................... All analog input channels,
external trigger (PFI0/TRIG1)
Level
Internal source, ACH<0..3>............ ± Full-scale
External source, PFI0/TRIG1 ......... ±10 V, external
Slope....................................................... Positive or negative
(software-selectable)
Resolution .............................................. 8 bits, 1 in 256
Hysteresis ............................................... Programmable
Bandwidth (–3 dB)
Internal source, ACH<0..3>............ 5 MHz
External source, PFI0/TRIG1 ......... 5 MHz
Digital Trigger
Purpose
Analog input ................................... Start and stop trigger, gate, clock
Analog output ................................. Start trigger, gate, clock
General-purpose counter/timers...... Source, gate
External sources ..................................... PFI<0..9>, RTSI<0..6>
Slope....................................................... Positive or negative
(software-selectable)
Compatibility ......................................... 5 V/TTL
Response ................................................ Rising or falling edge
Pulse width ............................................. 10 ns min
External Input for Digital or Analog Trigger
(PFI0/TRIG1)
Output impedance .................................. 10 k
Ω
Source impedance (recommended) ........ 1 k
Ω
Coupling................................................. DC or AC