Philips PM 3266 - Page 16

13
Designation
Specification
Additional
Information
1.2.3.
Horizontal
or
X
Axis
1.2. 3.1.
Display
modes
Main
time-base
Main
time-base
intensified
by delayed
time-base
Delayed
time-base
Main TB intensified
and
delayed
TB alternately
displayed.
X-Y and X-Y/Y
operation
With
possibility
of trace
separation
of
4 divisions.
X
deflection
by;
—
channel
A signal
—
channel
B
signal
—
signal applied
to
EXT connector
of
main
TB
—
line
voltage
1. 2. 3.
2.
Horizon
tal
position drift in
XI
position
0,2
div/hour
The
horizontal position
drift with the
magnifier in the
XI position, shall
not
exceed
0,1
div/hour
over
20-40
°C
temperature
range.
The same
stability
requirement
applies
to
the start of the
sweep during variation
of the sweep
speed
setting, with exception of highest
sweep ranges (50-100
ns/div).
1.
2.3.3.
Horizontal
position control
±
5,2
div from screen centre The horizontal
shift control combines
coarse and fine
adjustment.
1.2.4. Main
Time-base
1.2.4. 1. Operation
Automatic
Triggered
and single shot
Automatic free
running in the absence of
triggering signals,
after less than
0,1
sec.
1.2.4. 2.
Time coefficien f
1
s/div
...
50
ns/div
23 calibrated positions
in
a
1-2-5
sequence
Uncalibrated continuous
control 1 :>2,5
between
the steps.
One uncal. lamp
for both
MTB and
DTB.
1.
2. 4.
3.
Coefficien t error
The
difference in
sweep
accuracy over
any
two
div.
-H20
°C ...
-t-30
°C
-I-
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.