Specifications

4.
Set
the
A
TIME/DlV
switch
for
a single-event
display,
with the
rise time spread
horizontally
as
much
as
possible.
Horizontally
position
the
display so
the
10%
point
of the
waveform
intersects
the
second
vertical
graticule
line
(see
Figure 26).
Depress
either
the
A
INTEN
HORIZ
DISPLAY
push
button
or
the
ALT
HORIZ
DISPLAY
push
button.
Set
the
B
(DLY,D}
TRIGGER
SOURCE
SWitCh
tO
STARTS
AFTER
DELAY.
SCt
thc
B TIME/DIV
switch
to
the
fastest
sweep
speed
that
provides
a
usable
(visible)
intensified
zone.
Use
the
DELAY
TIME
POSITION
control
to
move
the start
of
intensified
zone
(left'hand
edge)
until
it
just
touches
the
intersection
of the
signal
and
the
10%
graticule
line
(see
Figure 26,
Point Al.
Record
the
DELAY
TIME
POSITION
dial
setting.
8. Use
the
DELAY
TIME
POSITION
control
to
move
the
start
of the
intensified
zone until
it
iust
touches
the
intersection
of the
signal
and
the 90%
graticule
line
(see
Figure 26,
Point B).
9.
Record
the
DELAY
TIME
POSITION
dial
10.
Determine
time
difference
using
the
following
formula:
Time
Rise
Difference
=
Tlme
=
EXAMPLE:
The A
TIME/DlV
switch
is
setto
1
ps.
The
DELAY
TIME
POSITION
dial setting
at
Point
A
is 2.50
and
the
DELAY
TIME
POSITION
dial setting
at
Point
B
is
7.50
(see
Figure 26).
Substituting
the
given
values:
Rise
Time
=
(7.50
-
2.501
(1)
=
5
ps
Time
Difference
Between
Repetitive
Pulses
(Basic
4658)
1.
Obtain
a
Normal
Sweep
Display
(refer
to
Basic
Oscilloscope
Displays
section
of this
manual).
2.
Depress
the
ALT
HORIZ
DISPLAY
push
button
and
set
the
B
(DLY'D)
TRIGGER
SOURCE
switch
to
settrng.
5.
A
flME/Dtvl
switch I
settins
J
6.
7.
@
4658/DM44
Operators
61