
Step 13. Press the NEXT SEGMENT soft key. The starting point of segment 5 will auto
-
matically be set equal to the ending point of segment 4. Press
EDIT and enter the
start frequency, start limit, end frequency, and end limit as prompted in the mes
-
sage area. Enter start frequency = 902 MHz, start limit = -40, end frequency =
910 MHz, end limit = -40 and press
EDIT when done.
Figure 5-4 shows the resulting display. The mask created in this example serves as an upper
bound on the measurement results. Any of the data points appearing above the line indi
-
cates a failed measurement.
5-8
Chapter 5 Spectrum Analyzer Measurements
Figure 5-4. Creating a Spectral Mask
Comentários a estes Manuais