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3. Sweep Time Accuracy Test (220 ms)
NOTE:PULSE
WIDTH APPROXIMATE
+15v
-r-l
t-SWEEP RETRACE
rl
JI
t-ACTIVE
SNEEP
+
ov- ---
1
L
---
START+TI”E
STOPhE
INTERVAL
INTERVAL
MEASUREMENT
MEASUREMENT
Figure 2-5.
Penlift
Output Signal
6. Note the measured sweep time on the universal counter and
record this value in
Table
2-5. The measured sweep time should
be a value between the minimum and maximum values given in
Table
2-5.
7. Repeat steps 5 and 6 for each sweep time setting in
Table
2-5.
‘Ihble
2-5.
Sweep Time Accuracy, Sweep Times
220
ms
[SWEEP
TIME)
Marker A Time
Min
Measured
20
ms
18
ms
50
ms
45
ms
100 ms
90
ms
500
ms
450
ms
1s
900
ms
8. Press MARKER
(NORMAL].
9. Use
@J
to place the marker at the second vertical graticule.
10. Press
@FiHIFT),[Xi!FF~.
11. Set analyzer [SWEEP TIME) to 20 s. Allow the universal counter
enough time to settle at this sweep time.
12. Note the measured sweep time on the universal counter and
record this value in Table 2-6. The measured sweep time should
be a value between the minimum and maximum values given in
Table
2-6.
13. Repeat steps 11 and 12 for 200
s
sweep time.
Performance Tests
2-11