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Section
I
Figure
1-1
and Table
1-1
Model
182
lA
Figure
1-1.
Model
182
lA
Time
Base
and Delay Generator
Table
1-1.
Specifications
MAIN
SWEEP:
RANGE:
0. 1
psec/divto
1
sec/div, 22
ranges
in
a
1,
2,
5
sequence;
accuracy ±3%;
vernier provides
continuous adjustment
between ranges and
ex-
tends slowest range
to at
least
2. 5
sec/div;
Horizontal Magnifier, on
Model
180- series
Oscilloscopes,
expands
fastest
range
to
20
nsec/div
(X5)
or
10
nsec/div
(XIO) with
5%
accuracy.
TRIGGERING:
NORMAL:
Triggering
Coupling:
DC, AC,
ACF,
ACS:
AC
attenuates signals
below approximately
20 Hz;
ACF
attenuates signals
below
approxi-
mately
15
kHz;
ACS
attenuates signals
above
approximately
30 kHz.
Internal:
see
manual
for Vertical Plug-In.
External:
0.
5
vpk-pkfrom
dc
to
50
MHz
(depending on
Trigger
Coupling) increas-
ing
to
1
V
pk-pk
at
90
MHz.
Line:
power-line
waveform
is
used
for
triggering.
Slope:
selectable, positive
or
negative.
Trigger
Point: adjustable
±3
v
over
selected
trigger signal (±30 v
in
EXT
10).
AUTOMATIC:
Bright baseline displayed
in
absence
of
trig-
j
ger
signal.
Triggering
is
same
as
normal
except
that
lower frequency
limit
of
trigger
signal
is
40 Hz.
DELAYED SWEEP:
RANGE:
0.
1
psec/div
to
50
msec/div,
18
ranges
in
a
1,
2,
5
sequence:
accuracy ±3%; vernier pro-
vides continuous adjustment
between ranges
and
extends slowest range
to at
least
125
msec/div; Horizontal
Magnifier,
onModel
180-
series Oscilloscopes,
expands
fastest
range
to
20 nsec/div (X5)or
10
nsec/div
(XIO) with
5
%
accuracy.
TRIGGERING:
AUTOMATIC:
Delayed sweep
starts
automatically
at
end
of
delay
time.
Slope,
Trigger
Point
and
Trigger Coupling are
not selectable.
NORMAL:
Delayed sweep
starts
on
first
trigger signal
after
delay time.
Trigger
Coupling:
DC, AC,
ACF,
ACS:
AC
attenuates signals
below approximately
20
Hz;
ACF
attenuates signals
below
approxi-
mately
15
kHz;
ACS
attenuates signals
above
approximately
30 kHz.
Internal:
see
manual
for
Vertical Plug-In.
1-0
02591-3
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