Service manual

Chapter 2 57
Troubleshooting
Perform Measurement System Verification
1. Chapter Title
2. Troubleshooting
3. Chapter Title
4. Chapter Title
5. Chapter Title
Figure 2-38 Measure Menu
16. Set the parameters as shown in Figure 2-39.
Figure 2-39 Spectrum Measurement Menu
17. Click
Measure to make a spectrum measurement. Although some error message may
be displayed because the spinstand is not initialized, ignore it
18. Click the marker in the graph, then move it to the peak level.
19. Read its frequency (f) and level (x). Confirm if the frequency is 10 MHz ± 100 Hz and
the level is from −10 to −5 dBm.
20. Calculate the TAA from the level according to the following equation.
Equation 2-1 TAA Calculation Formula
TAA V[] 210
xdBm[]10Ð
20
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×=