Parameter Description Definition Notes
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
each transition pair. Values then
averaged and reciprocal used to
give frequency.
1/period Standard parameter.
Freq@level Frequency at a specific level and
slope for every cycle in waveform.
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.
Standard in SDA100G and
WavePro 7000A scopes.
FWHM Measures the width of the largest
area histogram peak at half of the
population of the highest peak.
Available with DDM2, JTA2,
XMATH, XWAV, CAN02, SDA,
and XMAP options.
Standard in DDA-5005A,
SDA100G, and WaveExpert
scopes.
Half period Half period of a waveform. Reference levels and edge-
transition polarity can be
selected. Hysteresis argument
used to discriminate levels
from noise in data.
Available with JTA2, SDA, and
XMAP options.
Standard in SDA100G scopes.
Hist ampl Difference in value between the
two most populated peaks in a
histogram.
Available with DDM2, JTA2,
XMATH, XWAV, CAN02, SDA,
and XMAP options.
Standard in DDA-5005A,
SDA100G, WaveExpert, and
sampling scopes.
Hist base Value of the left-most of the two
most populated histogram peaks.
Available with DDM2, JTA2,
XMATH, XWAV, CAN02, SDA,
and XMAP options.
Standard in DDA-5005A,
SDA100G, WaveExpert, and
sampling scopes.
162 SDA-OM-E Rev H
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