LeCroy WaveRunner Xi series Operator's Manual page 115

Oscilloscopes
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Parameter
Description
Frequency
Frequency: Period of cyclic
signal measured as time
between every other pair of
50% crossings. Starting with
first transition after left cursor,
the period is measured for e
transition
averaged and reciprocal used
to give frequency.
Freq@level
Frequency at a specific level
and slope for every cycle in
waveform.
FWHM
Measures the width of the
largest area histogram peak at
half of the population of the
highest peak.
FWxx
Measures the width of the
largest area histogram peak at
xx% of the population of the
highest peak.
Half period
Half period of a waveform.
Hist ampl
Difference in value between the
two most populated peaks in a
histogram.
Hist base
Value of the left-most of the two
most populated histogram
peaks.
Hist maximum
Value of the highe
most) populated bin in a
histogram.
Hist mean
Average or mean value of data
in the histogram.
WRXi-OM-E Rev C
1/
ach
pair. Values then
st (right-
Definition
period
O
'
M
PERATOR
S
Notes
Standard paramete
r.
Reference levels and edge-
transit
ion polarity can be
selected. Hysteresis argu
used to discriminate lev
from noise in data.
Available with JTA2 and
XMAP optio
ns.
Available with DDM
2, JTA2,
and XMAP options.
Standard in DDA-5005A.
Available with DDM
2, JTA2,
and XMAP options.
Standard in DDA-5005A.
Reference levels and edge-
transition polarity can be
selected. Hysteresis argument
used to discriminate levels
from noise in data.
Available with JTA2 and
XMAP options.
Available with DDM2, JTA2,
and XMAP options.
Standard in
DDA-5005A.
Available with DDM2, JTA2,
and XM
AP options.
Standard in DDA-5
005A.
Available with DDM2, JTA2,
and XMAP options.
Standard in DDA-5005A.
Available with DDM2, JTA2,
and XMAP o
ptions.
Standard in DDA-5005A.
ANUAL
ment
els
115

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