HP 8568B, Performance Tests And Adjustments Manual, Page: 33 / 313

3. Sweep Time Accuracy Test ms)
WIDTH APPROXIMATE
t-SWEEP RETRACE
r l
- - -
INTERVAL
INTERVAL
MEASUREMENT
MEASUREMENT
Figure 2-5. Output Signal
6. Note the measured sweep time on the universal counter and
record this value in 2-5. The measured sweep time should
be a value between the minimum and maximum values given in
2-5.
7. Repeat steps 5 and 6 for each sweep time setting in 2-5.
2-5.
Sweep Time Accuracy, Sweep Times ms
Marker A Time
Min Measured
20
ms
18 ms
50
ms
45
ms
100 ms
90 ms
500
ms
450
ms
900 ms
8. Press MARKER
9. Use to place the marker at the second vertical graticule.
10. Press
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
2-6.
13. Repeat steps 11 and 12 for 200 sweep time.
Performance Tests