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Teledyne LeCroy WaveRunner XI SERIES Operator’s Manual User Manual

Page 121

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O

PERATOR

S

M

ANUAL

WRXi-OM-E Rev C

121

Parameter

Description

Definition

Notes

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.

f

the

Where: Mr is the number o
leading edges found, Mf
number of trailing edges

found,

the time when

rising edge i crosses the x%

level, and

the time wh

falling edge i crosses the x
level.

Standard pa

en

%

rameter.

Period@level

Period at a specified level and

edge-

argument

slope for every cycle in
waveform.

Reference levels and
transition polarity can be
selected. Hysteresis
used to discriminate levels
from noise in data.

Available with JTA2 and
XMAP options.

Phase

ence between

signal analyzed and signal
used as reference. You can set
the output type to percent,
degrees, or radians. After
setting up the reference, touch

.

Phase difference between
signal and reference

Phase differ

the

More tab for signal setups

Standard parameter.

Pop@X

n at bin for specified

Populatio
horizontal coordinate. You can
place the cursor at any bin and
use either Absolute, Reference,
or Differ

ence cursor shape.

Available with DDM2, JTA2,
and XMAP options.

Standard in DDA-5005A.

Average pulse width at the 50%
point between the local
baseline and the local peak or
trough.

ption.

Hysteresis argument used to
discriminate levels from noise
in data.

Available with DDM2 o

Standard in DDA-5005A.

PW50

Average pulse width at the 50%
point between the local

to

ise

DM2 option.

PW50-

baseline and the local trough.

Hysteresis argument used
discriminate levels from no
in data.

Available with D

Standard in DDA-5005A.

PW50+

Average pulse width at the 50%
point between the local
baseline and the local peak.

Hysteresis argument used
discriminate leve

to

ls from noise

Available with DDM2 option.

Standard in DDA-5005A.

in data.