Service manual

2 27
Performance Test
Performance Test
2. Performance Test
16. Repeat from Step 13 to 15 for all frequency settings in Table 2-2
Table 2-2 OSC Level Accuracy Test (Interface box) Settings 2
Frequency
1 MHz
10 MHz
15 MHz
16 MHz
50 MHz
110 MHz
17. Disconnect the all test equipment from the 4294A, then connect the OPEN termination
directly to the 4294A UNKNOWN terminals.
18. Press [Source] - LEVEL - [.] - [5] - [×1] to set the 4294A OSC level to 0.5 V.
19. Press [Trigger] - Single for a single sweep measurement:
20. Read the level monitor reading for all OSC level and frequency setting in Table 2-2,
then record them to the OPEN Reading column in the calculation sheet.
21. Press [Trigger] - Single for a single sweep measurement:
22. Read the level monitor reading for all OSC level and frequency setting in Table 2-1,
then record them to the OPEN Reading column in the calculation sheet.
23. Calculate the test results according to the calculation sheet, then record them to the test
record.
With 42942A Terminal Adapter
24. Disconnect the all test equipment from the 4294A, then connect the equipment as
shown in
Figure 2-4