Operator’s manual – Teledyne LeCroy WaveExpert 100H Operators Manual User Manual

Page 176

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Operator’s Manual

174

WE-OM-E Rev A

Rise 20-80%

Rise 20% to 80%: Duration
of pulse waveform's rising
transition from 20% to 80%,
averaged for all rising
transitions between the
cursors.

Average duration of
rising 20-80% transition

On signals not having
two major levels
(triangle or saw-tooth
waves, for example),
top and base can
default to maximum and
minimum, giving,
however, less
predictable results.

Standard parameter.

Rise@level

Rise at level: Duration of
pulse waveform's rising
edges between transition
levels.

Duration of rising edges
between transition
levels

On signals not having
two major levels
(triangle or saw-tooth
waves, for example),
top and base can
default to maximum and
minimum, giving,
however, less
predictable results.

Standard parameter.

RMS

Root Mean Square of data
between the cursors -- about
same as sdev for a
zero-mean waveform.

Gives similar result
when applied to time
domain waveform or
histogram of data of
same waveform. But
with histograms, result
may include
contributions from more
than one acquisition.

Where: v

i

denotes

measured sample
values, and N = number
of data points within the
periods found up to
maximum of 100
periods.

Standard parameter.

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