Anritsu S113C Guide de l'utilisateur télécharger pdf (Page 80)

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

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Anritsu S113C Guide de l'utilisateur Page 80