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MAKING PRECISION MEASUREMENTS
AC PEAK-TO-PEAK VOLTAGE
NOTE
Either channel
input
connector may
be
used
for
the
signal input.
Use
the VERT MODE switch
to
select
the appropriate channel
for
display.
1 . Obtain a Normal Sweep Display (refer
to
Basic
Oscilloscope Displays section of this manual, using
the
signal
to
be measured
as
the
channel input.
2.
Ensuring
that
the
VAR VOL TS/DIV control
is
in
the
calibrated
detent,
vertically position
the
display so
that
the
negative peak
of
the
waveform coincides
with one
of
the
horizontal graticule lines (see Figure
14, Point A).
3. Horizontally position
the
display so
that
one
of
the
positive peaks coincides with
the
center
vertical
graticule line (see Figure 14, Point B).
4. Measure the vertical deflection from peak
to
peak
(see Figure 14, Point A
to
Point
B).
POSITION
TO
CENTERLINE
~--,
VERTICAL
--+---i
...
-f--#-,1---+--Hir+_,.+---+--i
·~'J"""
MEASURE
AMPLITUDE
FROMATOB
(1738-16)2038-15
Figura
14.
Peak-to-peak waveform voltage.
@
465B/DM44
Operators
41
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