Teledyne LeCroy WaveRunner XI SERIES Operator’s Manual - Manual (Page 114)

W
AVE
R
UNNER
X
I
S
ERIES
Parameter Description Definition Notes
Edge@level
s from
nd XMAP
options.
Number of edges in waveform. Reference levels and edge-
transition polarity can be
selected. Hysteresis argument
used to discriminate level
noise in data.
Available with JTA2 a
Excel
ter value.
Available with XMAP option.
Excel must be loaded on the
instrument.
Performs measurements in Excel
by transferring one or two
waveforms and reading the
resulting parame
Fall time Fall time: Duration of falling edge
from 90-10%.
Threshold arguments specify two
vertical values on each edge used
to compute fall time. Formulas for
upper and lower values:
th
over each falling edge
major
o maximum
however,
lower = lower thresh. x amp/100 +
base
upper = upper thresh. x amp/100 +
base
T
m ime at upper threshold
inus Time at lower
reshold averaged
On signals not having two
levels (triangle or saw-tooth
waves, for example), top and
base can default t
and minimum, giving,
less predictable results.
Standard parameter.
Fall 80-20%
ed for all falling
transitions between the cursors.
verage duration of
falling
80-20% transition
major
efault to maximum
however,
ts.
Fall 80-20%: Duration of pulse
waveform's falling transition from
80% to 20%, averag A On signals not having two
levels (triangle or saw-tooth
waves, for example), top and
base can d
and minimum, giving,
less predictable resul
Standard parameter.
Fall@level
en
uration of falling edge
between transition
vels
jor
triangle or saw-tooth
nd
m
Fall at level: Duration of pulse
waveform's falling edges betwe
user-specified transition levels. See
also Rise@level. D
le
On signals not having two ma
levels (
waves, for example), top a
base can default to maximu
and minimum, giving, however,
less predictable results.
Standard parameter.
First Indicates value of horizontal ax
left cursor. is at H lue at
le
eft cursor.
able: for
example, the left cursor may be
moved to the right of the right
cursor and first will give the
location of the cursor formerly on
the right, now on left.
Standard parameter.
orizontal axis va
ft cursor
Indicates location of l
Cursors are interchange
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