Anritsu MS9740B - Page 243

5.9 Measuring WDM Filter
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Measurement Functions
Figure 5.9.3-4 Measurement Method for Bandwidth
● Level
Set the level measurement method for signal spectrum. For details,
refer to “Level” in 5.5.2, “How to Set the Signal Measurement Method”.
● Ripple
The wavelength range for ripple measurement is set to Span.
Ripple is a difference between maximum and minimum levels that are
in the wavelength range set to Span.
Figure 5.9.3-5 Measurement Method for Ripple
Cut Level
BW
CH Wl
Cut Level
Pass-Band Span
Pass Band
CH Wl
Ripple
Span