7-6
IM AQ6370D-01EN
7.3 SMSR Measurement
Procedure
You can measure SMSR from the measured waveform of a DFB-LD.
1.
Press
ANALYSIS
. The soft key menu for analyzing measured waveforms
appears.
2.
Press the
ANALYSIS 1
soft key. The analysis function selection menu is
displayed.
3.
Press the
SMSR
soft key. Analysis is performed, and the results are displayed in
the data area.
Mode peak
Side mode
SMSR
Data area
When changing the analysis parameters
4.
Continuing on from step 3, press the
PARAMETER SETTING
soft key. The SMSR
measurement parameter setting screen is displayed.
5.
Move the cursor with the arrow keys or soft keys, and enter a setting value with
the numeric key pad. To switch SMSR1 and SMSR2, press the
SELECT
soft key.
6.
Press the
CLOSE WINDOW
soft key. The SMSR measurement parameter setting
screen closes, and the soft key menu returns to the previous stage.
7.
Press the
ANALYSIS EXECUTE
soft key. Analysis is performed according to the
changed parameters, and the results are displayed in the data area.
Analysis parameter setting screen