Performance Tests
4-
14
j. Repeat parts
hand
i for
the
remaining SEC/DIV
and
time
mark generator setting combinations as
shown
in
Table 4-3.
k.
SET:
SEC/DIV.............................. 0.5
µs
Horizontal Magnify ............ X50
I.
Select 10 ns time markers from
the
time-marker generator.
m. Use
the
Horizontal POSITION control to align
the
first
time marker that is 100 ns beyond the start of
the
sweep
with
the
second vertical graticule line.
n.
CHECK
- Timing accuracy is
within
5 % (0.40 division
at
the
tenth
vertical graticule line),
and
the
linearity is
within
9%
(0.18 division over any two of
the
center eight divisions).
Exclude
any
portion of
the
sweep past
the
100th magnified
division.
o.
Repeat parts m
and
n for the remaining SEC/DIV
and
time
mark generator setting combinations as
shown
in
Table
4-3.
Step
2.
Check Sweep Length
a. SET:
SEC/DIV
Horizontal Magnify ........... .
0.1 ms
Xl
b. Select 0.1 ms time markers from
the
time-mark
generator.
c. Position
the
start of
the
sweep at
the
first vertical graticule
line
using
the
Horizontal POSITION control.
d.
CHECK
-
That
the sweep length is
;?:
10 divisions.
Performance Verification
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