Philips PM 3266 - Page 17

14
Designation
Specification
Additional
Information
1.2.
4.4.
Expansion
Magnification
lOx
Switched,
calibrated.
The
display
when coinciding
with
the
central horizontal
graticule line
shall not
shift more
than
one div when
the
horizontal magnifier
is
changed from
XI
to
X10.
Coefficient
error
+
1
% additional
First
and last
50 ns of
5
ns/div,
10 ns/div
and
20
ns/div
magnified
sweep
rates
+
5
%.
Max. effective
time
coefficient
5
ns/div
1.2.4. 5. Variable hold-off
time
1.2.5. Delayed Time base
1.2.5.
1.
Operation
1. 2. 5. 2.
Comparator long-term
stability
1.
2.5.3. Time
coefficient
1.
2.
5.
4.
Coefficien
t
error
The
sweep
hold-off
time can
be increased
by a
factor of
10.
Delayed
time-base starts
optionally either immediately
after the delay time, or
upon
arrival of the first trigger
pulse after the delay time.
< 2 div
at
1000 times
magnification
0,5
s/div
...
50 ns/div
±2
%
±3
%
With
MTB
at 1 ms/div and DTB
at
1
Ms/d'v
a
selected signal
detail in
the
DTB
mode
shall not
move more than
two divisions
after
warm-up
22
calibrated
positions in
1-2-5
sequence
Uncalibrated continuous control
1
:2,5
between the steps. One uncal.
lamp for
both MTB and DTB.
+20
°C ...
+30
°C
+
5°C... +40°C
The difference in sweep accuracy
over any
two
divisions of 10
div sweep is
±
5
%,
excluding
the first and last div at
the
5
ns
and 10 ns
magnified
sweep rates.