Specifications

EXAMPLE:
The
horizontal distance between the 10%
frequency
signals and ALT is best
for
high-fre{uency
and
90%
points
is 5 divisions
(see
Figure 19)
and
the TIME/
signals. Center each of the displays vertically
(see
DIV switch
is
set to
1
ls.
No
magnification is us€d.
Figure 20)'
Substituting
the
given
values:
Rise time
=
Sdivisions
X 1
psldivision
= 5lts
TIME
DIFFERENCE
BETWEEN TWO
TIME-RELATED PULSES
1. Obtain
a
Normal
Sweep
Display
(refer
to
Basic
Oscilloscope
Displays section of
this
manual).
Ensure
that
the VAR
TIME/DlV
control is
in the calibrated
detent.
2. Set
the
A
TRIGGER
SOURCE
switch
to
CH
1.
3.
Using
probes
or cables
with equal time
delays connect
the
reference signal to Channel
1 and the
comparison
signal
to
Channel
2 inputs.
4.
Depress the
CH 1 and
CH 2
VERT MODE
push
buttons. Use
either
CHOP
(in)
or
ALT
(out)
VERT
MODE switch
depending
on
the
frequency
of
input
signals.
ln
general,
CHOP
is
more
suitable
for low-
NOTE
lnput signals
must
be time related for
a stable
(
measu
reable
)
d
isp I
ay.
Figure
20.
Time difference
between two
time-related
pulses.
@
CHANNEL
1
(REFERENCE)
CHANNEL
2
1(X)
9ll
50%
AMPLITUDE
LEVEL
MEASURE
TIME
FROM
ATOB
-.->t
HORIZONTAL
!+
I
DIFFERENCE
I
465/DM-0-14
50
4658/DM44 Operators