Specifications

3. Slightly
readjust the A
the
waveforms
on
Figure
30).
TIME
control to superimpose
the B
Sweep
display
(see
A blinking
display
This will occur
NOTE
indicates
an overrange
condition.
under
the
following
conditions:
4. Read the time duration
DM44 Readout.
(or
waveform
period)
on the
Frequency Using
DM/$4
To determine
the
frequency
of
a recurring
waveform:
1.
Measure
time
duration of the
waveform
using
the
preceding
measurement
procedure.
2. Depress
the
DM44
1/TIME
FUNCTION
push
button.
3. Read the
frequency
on
the DM44 Readout. Observe
the illumination of the
1/ms
and
1/ps indicators and
use
the
following table to determine
frequency units.
Rise Time
Using
DM44
This
method
is
not recommended for
extremely fast
rise
times.
Obtain
a Delayed Sweep Display, with controls set as
follows:
DM44
FUNCTION TIME
HORIZ
DISPLAY A INTEN
B
(DLY',D)
TRTGGER
@
SOU RCE
B TIME/DIV
DM44 A TIME
STARTS AFTER DELAY
Three
or
four
positions
more
clockwise
than A
TIME/DlV
setting
To
move
the time
measurement
point
to
the right
of the
reference
point
With A
TIME/DIV
Switch
Set To
Decade
Multiples Of
And Spacing
Bettnrcen
lntensified Zones ls
Less Than
4658/DM44
Operators
69