Tektronix 2247A

Performance
Characteristics
Table 6-1 (cont)
Electrical Characteristics
CHARACTERISTICS
PERFORMANCE
REQUIREMENTS
HORIZONTAL
DEFLECTION
SYSTEM
(cont)
Sweep Linearity
POSITION
Control
Range
Normal
Displays
X-Y Displays
X10 Magnifier
Registration
(X10 to X1)
Variable Control Range
Sweep Length
Delay Time
Delay Control Range
£5%.
Sweep
Linearity
applies
over
the
center
eight
divisions.
Excludes
the
first
1/4
division
or
25
ns
from
the
start
of
the
magnified
sweep
and
anything
beyond
the
100th
magnified
division.
Able
to
move
the
start
of
the
sweep
to
the
right
of
the
center
vertical
graticule;
able
to
move
a
time
mark
corresponding
to
the
end
of
the
tenth
division
of
an
unmagnified
sweep
to
the
left
of
the
center
graticule.
At least $13 divisions 2
Expands
the
normal
sweep
by
ten
times
around
that
portion
of
the
sweep
positioned
at
the
center
vertical
graticule
line.?
0.5 division or less shift.
Continuously
variable
between
calibrated
SEC/DIV
settings.
Extends
both
the
A
and
B
sweep
time
per
division
by
at
least
a
factor
of
2.5.
Greater than 10 divisions.
Less
than
0.1
division
to
10
times
the
A
SEC/DIV
switch
setting.
Maximum
value
does
not
exceed
end
of
the
A
Sweep.
Delay Accuracy, A
Sweep Trigger Point
to Start of B Sweep
Jitter
Delta Time
Delta Control Range
+(0.5%
of
reading
+
5%
of
1
division
of
the
A Sweep
+25
ns).
1
part
in
20,000,
or
less,
peak-to-peak,
during
a
two-second
time
interval.
0
to
greater
than
9.9
divisions
to
the
right
of
setting
of
DELAY
control,
but
maximum
value
does
not
exceed
end
of
the
A
Sweep.
Performance
Requirement
not
checked
in
manual.
6-6
REV
SEP
1989
2247A
Operators
—3
ea
c