Flatness/ripple (db) – EXFO IQS-12004B DWDM Passive Component Test System for IQS-500 User Manual
Page 423
Definitions and Calculation Methods
DWDM Passive Component Test System
411
Flatness/Ripple (dB)
The flatness (or ripple) is the IL variation over the BW1 interval of each
channel.
Note: The ripple value for a measured BW1 analysis would most often be the
power (dB) value at which BW1 is measured.
Ripple
Ripple
1.0 dB cutoff wavelengths
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