74
Using the 81110A/81104A
T
T
T
The
he
he
he M
M
M
Mo
o
o
ode
de
de
de////T
T
T
Trrrriiiigg
gg
gg
gge
e
e
er
r
r
r S
S
S
Sc
c
c
crrrree
ee
ee
een
n
n
n
Gated Burst Mode
The following figures show typical timings for trigger mode GATED and
pulse mode BURST.
For the first example, the synchronously triggerable internal oscillator is
used to source the period.
C
C
C
Ch
h
h
ha
a
a
arrrra
a
a
ac
c
c
ctttte
e
e
errrriiiissssttttiiiic
c
c
cs
ss
s
Bursts of pulse periods are enabled by (G
ATED
BY
) an active level at
the selected arming source:
MAN key on front panel, gated while pressed or released or both.
EXT INPUT (External signal) gated while high or low or both.
You can select the number of pulse periods per burst in the range 2
65536.
TRIGGER OUT marks each pulse period.
STROBE OUT rises at the start of the first pulse period in a burst and
falls at the start of the last pulse period.
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