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Chapter 8
Counters
©
National Instruments Corporation
8-21
Fig
u
re 8-21 shows an example of a b
u
ffered two-signal edge-separation
meas
u
rement.
Figure 8-21.
Buffered Two-Signal Edge-Separation Measurement
For information abo
u
t connecting co
u
nter signals, refer to the
section.
Counter Output Applications
Simple Pulse Generation
Single Pulse Generation
The co
u
nter can o
u
tp
u
t a single p
u
lse. The p
u
lse appears on the Co
u
nter
n
Internal O
u
tp
u
t signal of the co
u
nter.
Yo
u
can specify a delay from when the co
u
nter is armed to the beginning
of the p
u
lse. The delay is meas
u
red in terms of a n
u
mber of active edges of
the So
u
rce inp
u
t.
Yo
u
can specify a p
u
lse width. The p
u
lse width is also meas
u
red in terms
of a n
u
mber of active edges of the So
u
rce inp
u
t. Yo
u
also can specify the
active edge of the So
u
rce inp
u
t (rising or falling).
SOURCE
Counter Value
Buffer
AUX
GATE
1 2 3
1 2 3
1 2 3
3
3
3
3
3
3