National Instruments PCI-1200 用户手册

© National Instruments Corporation

general-purpose timing signal 

connections

event-counting, 3-23

with external switch gating 

(figure), 3-24

frequency measurement, 3-24 to 3-25

connections for measurement 

application (figure), 3-25

GATE, CLK, and OUT signals, 

3-23 to 3-26

pins, 3-18 to 3-19
pulse-width measurement, 3-24
specifications and ratings, 

3-25 to 3-26

square wave generation, 3-23
time-lapse measurement, 3-24
timing requirements for GATE, CLK, 

and OUT signals (figure), 3-26

timing specifications, 3-27 to 3-30

mode 1 input timing, 3-28
mode 1 output timing, 3-29
mode 2 bidirectional timing, 3-30

trigger, digital, A-9

unipolar signal range vs. gain (table), 

3-5 to 3-6

unpacking the PCI-1200, 1-2

VirtualBench application software, 1-3

waveform generation timing sequence, 

3-22 to 3-23

WRT* signal (table), 3-27