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a
Model 181A/AR
Section I
Paragraphs
1-1 to 1-5
SECTION 1
GENERAL INFORMATION
1-1. DESCRIPTION.
1-2.
TheModeli81A/AR, Figure 1-1, isa lightweight,
general purpose,
variable persistence,
storage oscil-
loscope with plug-in capability.
The Model 181A and
the Model 181AR as shipped from the factory are in-
tended for bench use.
The Model 181AR may be rack
mounted as described in Section II.
1-3.
Except for the CRT,
all active components are
solid state devices.
The Model 181A/AR is convec-
tion cooled and operates within specifications over
a
temperature range of 0° C to +55° C.
Figure 1-1.
Model 181A and 181AR Oscilloscopes
02612-2
1-4.
The variable
persistence capability is especially
useful for viewing slow-speed signals. Adjustment of
persistence time can provide viewing
of a complete
trace with fading
sufficient
to prevent
interference
with the next trace.
The display persistence can read-
ily be adjusted to eliminate flicker and still provide
high resolution.
1-5.
The storage feature of the hp Model
181A/AR
canbeusedto store single-shot occurrences for later
viewing or photographing.
Comparison of waveforms
can be accomplished by storing several
separate oc-
currences and later viewing them simultaneously.
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