75
Using the 81110A/81104A
Th
ThTh
The
e e
e M
MM
Mod
odod
ode
ee
e/
//
/T
TT
Tr
rr
ri
ii
ig
gg
gg
gg
ge
ee
er
r r
r S
SS
Sc
cc
cr
rr
re
ee
ee
ee
en
nn
n
For the second example, either the internal PLL or an external CLK-IN
are used to source the periodboth cannot be triggered synchronously.
Gated Pattern Mode
With trigger mode GATED and pulse mode BURST the instrument shows
the following characteristics:
A pattern of pulses is enabled by (G
ATED
BY
) an active level at the
selected arming source.
MAN key on front panel, gated while pressed, released or both.
EXT INPUT (External signal) gated while high or low or both.
On the Pattern screen you can set the pattern length in the range of 2
16384 and program the data values for each output.
TRIGGER OUT marks each pulse period.
STROBE OUT is bit-programmable on the Pattern screen (NRZ
format only).