UTD2000M
User
Manual
energy
equals
to
the
converted
energy
which
is
generated
by
AC
signal
within
a
cycle.
Area:
The
product
of
voltage
and
time
for
a
waveform
being
displayed
by
the
screen.
CycArea:
the
product
of
voltage
and
time
for
a
waveform
being
displayed
by
the
screen
during
a
cycle.
Oversht:
Ratio
between
the
difference
between
“Max”
and
“High”
and
the
amplitude.
PreSht:
Ratio
between
the
difference
between
“Min”
and
“Low”
and
the
amplitude.
2.
Oscilloscopes
with
bandwidth
more
than
100MHz
can
auto
measure
the
following
voltage
parameters:
Vpp:
the
voltage
value
between
the
highest
and
the
lowest
points
of
a
waveform.
Vmax:
The
voltage
value
between
the
highest
point
of
a
waveform
and
GND.
Vmin:
The
voltage
value
between
the
lowest
point
of
a
waveform
and
GND.
Vamp:
The
voltage
value
between
the
top
and
the
bottom
of
a
waveform.
Vmid:
Half
of
the
summed
voltage
value
for
“High”
and
“Low”.
Vtop:
The
voltage
value
between
the
top
of
a
waveform
and
GND.
Vbase:
The
voltage
value
between
the
bottom
of
a
waveform
and
GND.
Overshoot:
Ratio
between
the
difference
between
“Max”
and
“High”
and
the
amplitude.
Preshoot:
Ratio
between
the
difference
between
“Min”
and
“Low”
and
the
amplitude.
Average:
Mean
amplitude
for
signal
within
a
cycle.
Vrms:
Namely
the
RMS,
in
another
word,
it
is
the
DC
voltage
value
that
may
generate
an
amount
of
energy
equals
to
the
converted
energy
which
is
generated
by
AC
signal
within
a
cycle.
Auto
Measuring
of
Time
Parameters
UTD2000CM
series
Oscilloscopes
can
automatically
measure
a
number
of
time
parameters,
including
the
frequency,
cycle,
rise
time,
fall
time,
positive
pulse
width,
negative
pulse
width,
delay,
positive
duty
ratio
and
negative
duty
ratio.
1.
Oscilloscopes
with
bandwidth
less
than
100MHz
can
auto
measure
the
following
time
parameters,
followed
by
their
respective
definitions:
Rise
:
Time
taken
for
the
amplitude
of
a
waveform
to
rise
from
10%
to
90%.
54
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