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3. Sweep Time Accuracy Test (220 ms)
Sweep Times 220 ms
(Alternate Procedure)
Start-Up Time
Measurement
Sweep Time
Measurement
2 - 1 2 P e r f o r m a n c e T e s t s
Sweep Time Accuracy, Sweep Times 220 s
[
S W E E P T I M E
20 s
200 s
14. Sweep times 220 ms are tested without external test equipment
by the following procedure.
15. Press
16. Set
according to Table 2-7. Press MARKER (j-1.
]
TIME
the
Rotate
DATA knob to place the marker on the left edge of the
CRT display. Key in CSHIFT) [my.
17. Press [SHIFT) [REsy three times. The Active Function Block
reads SWEEP GEN followed by a measured sweep time. This is
the start-up time. Record it in 'Ihble 2-7. The start-up time must
be subtracted from the SWEEP GEN time measured in step 19.
(Adding the start-up time to the
subtracts it from the SWEEP GEN time.)
18. Press MARKER (OFF).
19. Press @?i] (REST three times and note the SWEEP GEN
reading. The limits for the SWEEP GEN reading are listed in
step 17 was 700
SWEEP GEN readings would be 19.3 to 22.7 ms.)
20. Repeat steps 16 to 19 for each sweep time shown in Table 2-7.
Sweep Time Accuracy, Sweep Times 220 ms
(Alternate Procedure)
S W E E P
20 ms
50 ms
100 ms
450 ms
500 ms
ms
900
10 s
50 s
100 s
150 s
Marker A Time
)
Min
Measured
3.6 s
32 s
[
]
SWEEP TIME
for a
of 20 ms. The limits for the
[
)
SWEEP TIME
Sweep Gen Readout
Min
Measured
18.0 ms
45.0 ms
90.0 ms
9.00 ms
ms
45.0
90.0 ms
20.0 s
Max
4.4 s
48 s
setting effectively
Max
22.0 ms
55.0 ms
110 ms
550 ms
1.10 ms
11.0 ms
55.0 ms
10.0 ms
80.0 ms
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