LeCroy SDA, Руководство оператора

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SDA Operator’s Manual
Parameter Description Definition Notes
Param Script Visual Basic or Java script that
produces a measurement from
one or two input waveforms. Available with XMAP,
XDEV, and ASDA options.
Standard in DDA-5005A.
Peak Mag Peak mag away from a
baseline. Note: the measure
gate must include more of the
baseline than any other single
level. Available with ENET option.
Peaks Number of peaks in a
histogram. Available with DDM2, JTA2,
XMATH, XWAV, CAN02,
SDA, and XMAP options.
Standard in DDA-5005A,
SDA100G, and WaveExpert
scopes.
Peak to peak Peak-to-peak: Difference
between highest and lowest
points in waveform. Unlike
ampl, does not assume the
waveform has two levels. maximum - minimum Gives a similar result when
applied to time domain
waveform or histogram of
data of the same waveform.
But with histograms, result
may include contributions
from more than one
acquisition.
Standard parameter.
Percentile Horizontal data value that
divides a histogram so the
population to the left is xx% of
the total. Available with DDM2, JTA2,
XMATH, XWAV, CAN02,
SDA, and XMAP options.
Standard in DDA-5005A,
SDA100G, WaveExpert, and
sampling scopes.
Per DCD Amount of jitter due to duty
cycle distortion Standard in SDA and
WaveExpert scopes.
Per Duty Cyc Duty cycle measured on a
persistence Standard in SDA and
WaveExpert scopes.
Period Period of a cyclic signal
measured as time between
every other pair of 50%
crossings. Starting with first
transition after left cursor,
period is measured for each
transition pair, with values
averaged to give final result.
Where: Mr is the number of
leading edges found, Mf the
number of trailing edges
found, the time when
rising edge i crosses the x%
level, and the time when
falling edge i crosses the x%
level.
Standard parameter.
SDA-OM-E Rev H
169